{
  "openapi": "3.1.0",
  "info": {
    "title": "FlowSpeech Text-to-Speech API",
    "version": "1.0.0",
    "description": "Subscription-gated asynchronous speech. Result URLs are link-accessible public objects, not private signed URLs. See /docs/public-api for retention, idempotency, billing and workload limits."
  },
  "servers": [
    {
      "url": "https://flowspeech.io"
    }
  ],
  "security": [
    {
      "BearerAuth": []
    }
  ],
  "paths": {
    "/api/v1/tts/jobs": {
      "post": {
        "operationId": "createSpeechJob",
        "summary": "Create or recover an idempotent speech generation",
        "description": "Maximum body 1 MiB. Reuse the same UUID on transport retries. Maximum combined input length 100,000 UTF-16 code units. Job timeout is two hours.",
        "parameters": [
          {
            "name": "Idempotency-Key",
            "in": "header",
            "required": true,
            "schema": {
              "type": "string",
              "format": "uuid"
            }
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/CreateJob"
              }
            }
          }
        },
        "responses": {
          "202": {
            "description": "Accepted unfinished job",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Job"
                }
              }
            }
          },
          "200": {
            "description": "Replayed terminal job",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Job"
                }
              }
            }
          },
          "400": {
            "description": "Invalid request",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "401": {
            "description": "Invalid API key",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "402": {
            "description": "Insufficient credits",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "403": {
            "description": "Subscription or scope required",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "404": {
            "description": "Job not found",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "409": {
            "description": "Idempotency conflict or already completed",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "413": {
            "description": "Body exceeds 1 MiB",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "415": {
            "description": "Use application/json",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "429": {
            "description": "Rate or workload limit",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "503": {
            "description": "Temporarily unavailable",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      },
      "get": {
        "operationId": "findSpeechJob",
        "summary": "Recover by idempotency UUID",
        "parameters": [
          {
            "name": "requestId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "format": "uuid"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Job status",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Job"
                }
              }
            }
          },
          "400": {
            "description": "Invalid request",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "401": {
            "description": "Invalid API key",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "402": {
            "description": "Insufficient credits",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "403": {
            "description": "Subscription or scope required",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "404": {
            "description": "Job not found",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "409": {
            "description": "Idempotency conflict or already completed",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "413": {
            "description": "Body exceeds 1 MiB",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "415": {
            "description": "Use application/json",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "429": {
            "description": "Rate or workload limit",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "503": {
            "description": "Temporarily unavailable",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/tts/jobs/{id}": {
      "get": {
        "operationId": "getSpeechJob",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "format": "uuid"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Job status; failed jobs also return HTTP 200",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Job"
                }
              }
            }
          },
          "400": {
            "description": "Invalid request",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "401": {
            "description": "Invalid API key",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "402": {
            "description": "Insufficient credits",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "403": {
            "description": "Subscription or scope required",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "404": {
            "description": "Job not found",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "409": {
            "description": "Idempotency conflict or already completed",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "413": {
            "description": "Body exceeds 1 MiB",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "415": {
            "description": "Use application/json",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "429": {
            "description": "Rate or workload limit",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "503": {
            "description": "Temporarily unavailable",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/tts/jobs/{id}/cancel": {
      "post": {
        "operationId": "cancelSpeechJob",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "format": "uuid"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Cancelled or existing terminal job; successful jobs return 409",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Job"
                }
              }
            }
          },
          "400": {
            "description": "Invalid request",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "401": {
            "description": "Invalid API key",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "402": {
            "description": "Insufficient credits",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "403": {
            "description": "Subscription or scope required",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "404": {
            "description": "Job not found",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "409": {
            "description": "Idempotency conflict or already completed",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "413": {
            "description": "Body exceeds 1 MiB",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "415": {
            "description": "Use application/json",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "429": {
            "description": "Rate or workload limit",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "503": {
            "description": "Temporarily unavailable",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/quota": {
      "get": {
        "operationId": "getQuota",
        "responses": {
          "200": {
            "description": "Shared credits and API limits",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "quota": {
                      "$ref": "#/components/schemas/Quota"
                    },
                    "subscription": {
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "limits": {
                      "type": "object",
                      "additionalProperties": {
                        "type": "integer",
                        "minimum": 0
                      }
                    }
                  },
                  "required": [
                    "quota",
                    "subscription",
                    "limits"
                  ]
                }
              }
            }
          },
          "400": {
            "description": "Invalid request",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "401": {
            "description": "Invalid API key",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "402": {
            "description": "Insufficient credits",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "403": {
            "description": "Subscription or scope required",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "404": {
            "description": "Job not found",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "409": {
            "description": "Idempotency conflict or already completed",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "413": {
            "description": "Body exceeds 1 MiB",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "415": {
            "description": "Use application/json",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "429": {
            "description": "Rate or workload limit",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "503": {
            "description": "Temporarily unavailable",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    },
    "/api/v1/voices": {
      "get": {
        "operationId": "listVoices",
        "responses": {
          "200": {
            "description": "Supported voices",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "model": {
                      "const": "gemini-tts"
                    },
                    "voices": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "name": {
                            "type": "string"
                          },
                          "description": {
                            "type": "string"
                          },
                          "gender": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "name",
                          "description",
                          "gender"
                        ]
                      }
                    }
                  },
                  "required": [
                    "model",
                    "voices"
                  ]
                }
              }
            }
          },
          "400": {
            "description": "Invalid request",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "401": {
            "description": "Invalid API key",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "402": {
            "description": "Insufficient credits",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "403": {
            "description": "Subscription or scope required",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "404": {
            "description": "Job not found",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "409": {
            "description": "Idempotency conflict or already completed",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "413": {
            "description": "Body exceeds 1 MiB",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "415": {
            "description": "Use application/json",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "429": {
            "description": "Rate or workload limit",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          },
          "503": {
            "description": "Temporarily unavailable",
            "headers": {
              "X-Request-Id": {
                "schema": {
                  "type": "string",
                  "format": "uuid"
                }
              },
              "Retry-After": {
                "schema": {
                  "type": "integer",
                  "minimum": 1
                },
                "description": "Suggested polling or retry delay, when present."
              }
            },
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Error"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "BearerAuth": {
        "type": "http",
        "scheme": "bearer",
        "bearerFormat": "FlowSpeech API key"
      }
    },
    "schemas": {
      "CreateJob": {
        "type": "object",
        "properties": {
          "model": {
            "type": "string",
            "enum": [
              "gemini-tts"
            ],
            "default": "gemini-tts"
          },
          "input": {
            "oneOf": [
              {
                "type": "object",
                "properties": {
                  "mode": {
                    "const": "single"
                  },
                  "text": {
                    "type": "string",
                    "minLength": 1,
                    "maxLength": 100000
                  },
                  "voiceName": {
                    "type": "string",
                    "minLength": 1,
                    "maxLength": 100,
                    "description": "Voice name returned by GET /api/v1/voices."
                  }
                },
                "required": [
                  "mode",
                  "text",
                  "voiceName"
                ],
                "additionalProperties": false
              },
              {
                "type": "object",
                "properties": {
                  "mode": {
                    "const": "multi"
                  },
                  "segments": {
                    "type": "array",
                    "minItems": 1,
                    "maxItems": 1000,
                    "items": {
                      "type": "object",
                      "properties": {
                        "speaker": {
                          "type": "string",
                          "minLength": 1,
                          "maxLength": 100
                        },
                        "text": {
                          "type": "string",
                          "minLength": 1,
                          "maxLength": 100000
                        },
                        "voiceName": {
                          "type": "string",
                          "minLength": 1,
                          "maxLength": 100,
                          "description": "Voice name returned by GET /api/v1/voices."
                        }
                      },
                      "required": [
                        "speaker",
                        "text",
                        "voiceName"
                      ],
                      "additionalProperties": false
                    }
                  }
                },
                "required": [
                  "mode",
                  "segments"
                ],
                "additionalProperties": false
              }
            ],
            "discriminator": {
              "propertyName": "mode"
            }
          }
        },
        "required": [
          "input"
        ],
        "additionalProperties": false
      },
      "Usage": {
        "type": "object",
        "properties": {
          "billableCharacters": {
            "type": "integer",
            "minimum": 0
          },
          "reservedCredits": {
            "type": "integer",
            "minimum": 0
          },
          "chargedCredits": {
            "type": "integer",
            "minimum": 0
          }
        },
        "required": [
          "billableCharacters",
          "reservedCredits",
          "chargedCredits"
        ]
      },
      "Quota": {
        "type": "object",
        "properties": {
          "total": {
            "type": "integer",
            "minimum": 0
          },
          "remaining": {
            "type": "integer",
            "minimum": 0
          },
          "reserved": {
            "type": "integer",
            "minimum": 0
          },
          "available": {
            "type": "integer",
            "minimum": 0
          },
          "nextResetAt": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "required": [
          "total",
          "remaining",
          "reserved",
          "available"
        ]
      },
      "Job": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "format": "uuid"
          },
          "requestId": {
            "type": "string",
            "format": "uuid"
          },
          "model": {
            "const": "gemini-tts"
          },
          "status": {
            "type": "string",
            "enum": [
              "queued",
              "running",
              "merging",
              "settling",
              "success",
              "failed",
              "cancelled"
            ]
          },
          "progress": {
            "type": "object",
            "properties": {
              "completed": {
                "type": "integer",
                "minimum": 0
              },
              "total": {
                "type": "integer",
                "minimum": 0
              }
            },
            "required": [
              "completed",
              "total"
            ]
          },
          "createdAt": {
            "type": "string",
            "format": "date-time"
          },
          "updatedAt": {
            "type": "string",
            "format": "date-time"
          },
          "deadlineAt": {
            "type": "string",
            "format": "date-time"
          },
          "usage": {
            "$ref": "#/components/schemas/Usage"
          },
          "quota": {
            "$ref": "#/components/schemas/Quota"
          },
          "error": {
            "type": "object",
            "properties": {
              "code": {
                "type": "string"
              }
            },
            "required": [
              "code"
            ]
          },
          "resultDeleted": {
            "type": "boolean"
          },
          "result": {
            "oneOf": [
              {
                "type": "null"
              },
              {
                "type": "object",
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri"
                  },
                  "mimeType": {
                    "const": "audio/wav"
                  },
                  "sampleRate": {
                    "const": 24000
                  },
                  "channels": {
                    "const": 1
                  },
                  "bitsPerSample": {
                    "const": 16
                  },
                  "access": {
                    "const": "link"
                  }
                },
                "required": [
                  "url",
                  "mimeType",
                  "sampleRate",
                  "channels",
                  "bitsPerSample",
                  "access"
                ]
              }
            ]
          }
        },
        "required": [
          "id",
          "requestId",
          "model",
          "status",
          "progress",
          "createdAt",
          "updatedAt",
          "deadlineAt",
          "usage"
        ]
      },
      "Error": {
        "type": "object",
        "properties": {
          "error": {
            "type": "object",
            "properties": {
              "code": {
                "type": "string"
              },
              "message": {
                "type": "string"
              },
              "retryable": {
                "type": "boolean"
              }
            },
            "required": [
              "code",
              "message",
              "retryable"
            ]
          },
          "traceId": {
            "type": "string",
            "format": "uuid"
          }
        },
        "required": [
          "error",
          "traceId"
        ]
      }
    }
  }
}