{
  "openapi": "3.0.1",
  "info": {
    "title": "YouTube Audio Segment Downloader",
    "description": "Download YouTube audio tracks or selected audio segments as MP3, M4A, or WAV.",
    "version": "1.0",
    "x-build-id": "5nK8KTlZO4Ni4G99X"
  },
  "servers": [
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      "url": "https://api.apify.com/v2"
    }
  ],
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          "content": {
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            "name": "token",
            "in": "query",
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            "description": "Enter your Apify token here"
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        "responses": {
          "200": {
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    },
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        "tags": [
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        "responses": {
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    },
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        "operationId": "run-sync-entertained_rattlesnake-youtube-audio-segment-downloader",
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        "tags": [
          "Run Actor"
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        "requestBody": {
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  },
  "components": {
    "schemas": {
      "inputSchema": {
        "type": "object",
        "required": [
          "videos"
        ],
        "properties": {
          "videos": {
            "title": "YouTube videos",
            "type": "array",
            "description": "List of YouTube video URLs or video IDs.",
            "items": {
              "type": "string"
            }
          },
          "format": {
            "title": "Output audio format",
            "enum": [
              "mp3",
              "m4a",
              "wav"
            ],
            "type": "string",
            "description": "Audio format for the output file.",
            "default": "mp3"
          },
          "audioQuality": {
            "title": "Audio quality",
            "enum": [
              "64k",
              "128k",
              "192k",
              "256k",
              "320k"
            ],
            "type": "string",
            "description": "Audio bitrate for MP3/M4A conversion. Use 64 kbps for transcription-only workflows to minimize proxy traffic and processing cost.",
            "default": "192k"
          },
          "startTime": {
            "title": "Start time",
            "type": "string",
            "description": "Optional start time. Examples: 90, 1:30, 00:01:30."
          },
          "endTime": {
            "title": "End time",
            "type": "string",
            "description": "Optional end time. Examples: 180, 3:00, 00:03:00."
          },
          "fileNamePrefix": {
            "title": "File name prefix",
            "type": "string",
            "description": "Prefix for output files.",
            "default": "youtube-audio"
          },
          "maxFileSizeMb": {
            "title": "Max output file size MB",
            "minimum": 1,
            "maximum": 2000,
            "type": "integer",
            "description": "Maximum output file size in MB. If exceeded, the result will not be saved.",
            "default": 500
          },
          "transcribe": {
            "title": "Transcribe audio",
            "type": "boolean",
            "description": "If enabled, the saved audio file is sent to the transcription endpoint and the result is saved to the Key-Value Store.",
            "default": true
          },
          "transcribeTimeoutSeconds": {
            "title": "Transcription timeout (seconds)",
            "minimum": 10,
            "maximum": 3600,
            "type": "integer",
            "description": "Maximum time to wait for the transcription endpoint response.",
            "default": 600
          },
          "timestamps": {
            "title": "Include timestamps",
            "type": "boolean",
            "description": "If true, prepends each line of the returned text with a [HH:MM:SS.mmm] timestamp.",
            "default": false
          }
        }
      },
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            "properties": {
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                "type": "string"
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                "type": "string"
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              "userId": {
                "type": "string"
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              "startedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
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              "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"
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                }
              },
              "stats": {
                "type": "object",
                "properties": {
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                  "rebootCount": {
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                    "example": 0
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                  "restartCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "resurrectCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "computeUnits": {
                    "type": "integer",
                    "example": 0
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                }
              },
              "options": {
                "type": "object",
                "properties": {
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                  "timeoutSecs": {
                    "type": "integer",
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                  "memoryMbytes": {
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                  "diskMbytes": {
                    "type": "integer",
                    "example": 2048
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                }
              },
              "buildId": {
                "type": "string"
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              "defaultKeyValueStoreId": {
                "type": "string"
              },
              "defaultDatasetId": {
                "type": "string"
              },
              "defaultRequestQueueId": {
                "type": "string"
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              "buildNumber": {
                "type": "string",
                "example": "1.0.0"
              },
              "containerUrl": {
                "type": "string"
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              "usage": {
                "type": "object",
                "properties": {
                  "ACTOR_COMPUTE_UNITS": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATASET_READS": {
                    "type": "integer",
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                  "DATASET_WRITES": {
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                    "example": 0
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                  "KEY_VALUE_STORE_READS": {
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                  "KEY_VALUE_STORE_WRITES": {
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                    "example": 1
                  },
                  "KEY_VALUE_STORE_LISTS": {
                    "type": "integer",
                    "example": 0
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                  "REQUEST_QUEUE_WRITES": {
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                  "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
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                }
              },
              "usageTotalUsd": {
                "type": "number",
                "example": 0.00005
              },
              "usageUsd": {
                "type": "object",
                "properties": {
                  "ACTOR_COMPUTE_UNITS": {
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                  "DATASET_READS": {
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                  "DATASET_WRITES": {
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                  "KEY_VALUE_STORE_READS": {
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                    "example": 0
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                  "KEY_VALUE_STORE_WRITES": {
                    "type": "number",
                    "example": 0.00005
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                  "KEY_VALUE_STORE_LISTS": {
                    "type": "integer",
                    "example": 0
                  },
                  "REQUEST_QUEUE_READS": {
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                  "REQUEST_QUEUE_WRITES": {
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}