{ "openapi": "3.0.1", "info": { "title": "YouTube Audio Downloader", "description": "Extract audio from YouTube videos, Shorts and Music as M4A/AAC or WebM/Opus - no login, no cookies, no API key. Batch up to 10 links per run, per-video timeframe cuts, parallel downloads, never-fail dataset output. JSON API for developers and AI agents. $0.015 per video.", "version": "1.0", "x-build-id": "Zb504xPqosuwzDhDm" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/utils~youtube-link/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-utils-youtube-link", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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/utils~youtube-link/runs": { "post": { "operationId": "runs-sync-utils-youtube-link", "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/utils~youtube-link/run-sync": { "post": { "operationId": "run-sync-utils-youtube-link", "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", "properties": { "videos": { "title": "YouTube videos", "maxItems": 10, "type": "array", "description": "Add one item per video (max 10). Only URL is required — leave timeframe/audioQuality empty to use the global settings below. When filled, overrides the video set. S3 toggle ON = deliver this video to the S3 bucket below (off = store in this run's key-value store).", "items": { "type": "object", "properties": { "url": { "title": "YouTube URL", "description": "Full watch URL or 11-char video id.", "type": "string", "editor": "textfield" }, "timeframe": { "title": "Timeframe", "description": "MM:SS-MM:SS or HH:MM:SS-HH:MM:SS. Empty = full.", "type": "string", "editor": "textfield" }, "audioQuality": { "title": "Audio Quality", "description": "Empty uses the global Audio Quality setting.", "type": "string", "editor": "select", "enum": [ "", "best", "high", "medium", "low", "aac", "opus" ], "prefill": "" }, "s3": { "title": "S3 delivery", "description": "Optional. ON = also upload this video to the S3 bucket in the S3 delivery section below. OFF (default) = key-value store only (the main store). Missing/invalid S3 config never fails the run — it falls back to the key-value store.", "type": "boolean", "editor": "checkbox", "default": false } }, "required": [ "url" ] } }, "timeframe": { "title": "Timeframe (optional)", "type": "string", "description": "Global default. Cut only a portion: MM:SS-MM:SS or HH:MM:SS-HH:MM:SS (e.g. 1:30-3:00). Empty = full." }, "audioQuality": { "title": "Audio Quality", "enum": [ "best", "high", "medium", "low", "aac", "opus" ], "type": "string", "description": "Global default. Audio bitrate preference. high/medium/low cap at ~192/128/64 kbps; aac/opus restrict the container codec.", "default": "best" }, "s3": { "title": "S3 delivery (optional)", "type": "object", "description": "OPTIONAL — the key-value store stays the main store. Deliver selected videos straight to your own S3-compatible bucket as well (AWS S3, Cloudflare R2, MinIO, Backblaze B2, ...). Per-video toggle: ON = S3, OFF (default) = key-value store only. Leave this section empty to disable. The bucket must already exist — the actor never creates buckets. A missing/invalid config or a failed upload automatically falls back to the key-value store — it never fails the run.", "properties": { "endpoint": { "title": "Endpoint", "description": "e.g. https://s3.us-east-1.amazonaws.com | https://.r2.cloudflarestorage.com | http://:9000 (MinIO)", "type": "string", "editor": "textfield", "prefill": "" }, "bucket": { "title": "Bucket", "description": "Existing bucket name.", "type": "string", "editor": "textfield", "prefill": "" }, "region": { "title": "Region", "description": "AWS region (e.g. us-east-1). Most S3-compatible servers accept any value; Cloudflare R2 requires 'auto'.", "type": "string", "editor": "textfield", "prefill": "us-east-1" }, "accessKey": { "title": "Access key", "description": "Access key id with PutObject permission on the bucket.", "type": "string", "editor": "textfield", "prefill": "" }, "secretKey": { "title": "Secret key", "description": "Secret access key (stored as run input; anyone with run access can read it).", "type": "string", "editor": "textfield", "prefill": "" }, "publicBaseUrl": { "title": "Public base URL (optional)", "description": "e.g. https://cdn.example.com — used as the downloadUrl prefix (ends in /.). Empty = path-style object URL from the endpoint (needs a public bucket).", "type": "string", "editor": "textfield", "prefill": "" } } } } }, "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 } } } } } } } } } }