{
  "openapi": "3.0.1",
  "info": {
    "title": "Audio Transcriber - Speech-to-Text API",
    "description": "Transcribe MP3/WAV/FLAC/OGG/WEBM/M4A audio into text with speaker diarization, timestamps, context-aware terminology, and SRT/VTT. No external transcription API key required. Built for batch/API/MCP workflows.",
    "version": "0.1",
    "x-build-id": "cHylTK5NovCXEiSf5"
  },
  "servers": [
    {
      "url": "https://api.apify.com/v2"
    }
  ],
  "paths": {
    "/acts/automa-flow~audio-transcriber/run-sync-get-dataset-items": {
      "post": {
        "operationId": "run-sync-get-dataset-items-automa-flow-audio-transcriber",
        "x-openai-isConsequential": false,
        "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.",
        "tags": [
          "Run Actor"
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/inputSchema"
              }
            }
          }
        },
        "parameters": [
          {
            "name": "token",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "Enter your Apify token here"
          }
        ],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/acts/automa-flow~audio-transcriber/runs": {
      "post": {
        "operationId": "runs-sync-automa-flow-audio-transcriber",
        "x-openai-isConsequential": false,
        "summary": "Executes an Actor and returns information about the initiated run in response.",
        "tags": [
          "Run Actor"
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/inputSchema"
              }
            }
          }
        },
        "parameters": [
          {
            "name": "token",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "Enter your Apify token here"
          }
        ],
        "responses": {
          "200": {
            "description": "OK",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/runsResponseSchema"
                }
              }
            }
          }
        }
      }
    },
    "/acts/automa-flow~audio-transcriber/run-sync": {
      "post": {
        "operationId": "run-sync-automa-flow-audio-transcriber",
        "x-openai-isConsequential": false,
        "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.",
        "tags": [
          "Run Actor"
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/inputSchema"
              }
            }
          }
        },
        "parameters": [
          {
            "name": "token",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string"
            },
            "description": "Enter your Apify token here"
          }
        ],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "inputSchema": {
        "type": "object",
        "required": [
          "audioUrls"
        ],
        "properties": {
          "audioUrls": {
            "title": "Audio URLs",
            "minItems": 1,
            "maxItems": 100,
            "type": "array",
            "description": "1-100 public HTTPS direct audio file URLs (MP3, WAV, FLAC, OGG, WEBM, M4A, AAC). Exact duplicate URLs are transcribed once and mirrored into every matching Dataset row. Webpage and social-media page URLs are not supported.",
            "items": {
              "type": "string",
              "minLength": 8,
              "maxLength": 2048,
              "pattern": "^https://"
            }
          },
          "diarize": {
            "title": "Speaker diarization",
            "type": "boolean",
            "description": "Label different speakers in the transcript when possible.",
            "default": true
          },
          "contextBias": {
            "title": "Context bias terms",
            "maxItems": 100,
            "type": "array",
            "description": "Up to 100 single words that guide the spelling of names and domain terms, for example Armstrong, Voxtral or co-op. No spaces or commas inside an entry: enter a two-word name as two entries. Optimized for English; other languages are experimental.",
            "items": {
              "type": "string",
              "minLength": 1,
              "maxLength": 100,
              "pattern": "^[^\\s,]+$"
            },
            "default": []
          },
          "includeSrt": {
            "title": "Include SRT",
            "type": "boolean",
            "description": "Generate an SRT subtitle track from segment timestamps.",
            "default": true
          },
          "includeVtt": {
            "title": "Include VTT",
            "type": "boolean",
            "description": "Generate a WebVTT subtitle track from segment timestamps.",
            "default": true
          },
          "maxDurationSeconds": {
            "title": "Max duration (seconds)",
            "minimum": 1,
            "maximum": 3600,
            "type": "integer",
            "description": "Reject files longer than this before calling the transcription provider. Default and maximum are 3600 seconds (60 minutes) until a longer limit is live-verified.",
            "default": 3600
          },
          "mistralApiKey": {
            "title": "Your Mistral API key (optional)",
            "type": "string",
            "description": "Leave empty to use the included transcription: nothing to set up, $0.007 per started audio minute. Or paste your own Mistral API key: this Actor then charges $0.004 per started audio minute and Mistral bills your account directly for the transcription. Create a key at console.mistral.ai > API Keys > Create new key. Apify stores it encrypted; it is sent only to api.mistral.ai and never logged or written to the output."
          },
          "payload": {
            "title": "Integration payload",
            "type": "object",
            "description": "Added by an Apify Actor-to-Actor integration. It is accepted so the run can start and is not read or stored. Put the audio links in audioUrls of the integration input."
          }
        }
      },
      "runsResponseSchema": {
        "type": "object",
        "properties": {
          "data": {
            "type": "object",
            "properties": {
              "id": {
                "type": "string"
              },
              "actId": {
                "type": "string"
              },
              "userId": {
                "type": "string"
              },
              "startedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
              },
              "finishedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
              },
              "status": {
                "type": "string",
                "example": "READY"
              },
              "meta": {
                "type": "object",
                "properties": {
                  "origin": {
                    "type": "string",
                    "example": "API"
                  },
                  "userAgent": {
                    "type": "string"
                  }
                }
              },
              "stats": {
                "type": "object",
                "properties": {
                  "inputBodyLen": {
                    "type": "integer",
                    "example": 2000
                  },
                  "rebootCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "restartCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "resurrectCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "computeUnits": {
                    "type": "integer",
                    "example": 0
                  }
                }
              },
              "options": {
                "type": "object",
                "properties": {
                  "build": {
                    "type": "string",
                    "example": "latest"
                  },
                  "timeoutSecs": {
                    "type": "integer",
                    "example": 300
                  },
                  "memoryMbytes": {
                    "type": "integer",
                    "example": 1024
                  },
                  "diskMbytes": {
                    "type": "integer",
                    "example": 2048
                  }
                }
              },
              "buildId": {
                "type": "string"
              },
              "defaultKeyValueStoreId": {
                "type": "string"
              },
              "defaultDatasetId": {
                "type": "string"
              },
              "defaultRequestQueueId": {
                "type": "string"
              },
              "buildNumber": {
                "type": "string",
                "example": "1.0.0"
              },
              "containerUrl": {
                "type": "string"
              },
              "usage": {
                "type": "object",
                "properties": {
                  "ACTOR_COMPUTE_UNITS": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATASET_READS": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATASET_WRITES": {
                    "type": "integer",
                    "example": 0
                  },
                  "KEY_VALUE_STORE_READS": {
                    "type": "integer",
                    "example": 0
                  },
                  "KEY_VALUE_STORE_WRITES": {
                    "type": "integer",
                    "example": 1
                  },
                  "KEY_VALUE_STORE_LISTS": {
                    "type": "integer",
                    "example": 0
                  },
                  "REQUEST_QUEUE_READS": {
                    "type": "integer",
                    "example": 0
                  },
                  "REQUEST_QUEUE_WRITES": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATA_TRANSFER_INTERNAL_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATA_TRANSFER_EXTERNAL_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_SERPS": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_UNBLOCKER_UNITS": {
                    "type": "integer",
                    "example": 0
                  }
                }
              },
              "usageTotalUsd": {
                "type": "number",
                "example": 0.00005
              },
              "usageUsd": {
                "type": "object",
                "properties": {
                  "ACTOR_COMPUTE_UNITS": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATASET_READS": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATASET_WRITES": {
                    "type": "integer",
                    "example": 0
                  },
                  "KEY_VALUE_STORE_READS": {
                    "type": "integer",
                    "example": 0
                  },
                  "KEY_VALUE_STORE_WRITES": {
                    "type": "number",
                    "example": 0.00005
                  },
                  "KEY_VALUE_STORE_LISTS": {
                    "type": "integer",
                    "example": 0
                  },
                  "REQUEST_QUEUE_READS": {
                    "type": "integer",
                    "example": 0
                  },
                  "REQUEST_QUEUE_WRITES": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATA_TRANSFER_INTERNAL_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATA_TRANSFER_EXTERNAL_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_SERPS": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_UNBLOCKER_UNITS": {
                    "type": "integer",
                    "example": 0
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}