{ "openapi": "3.0.1", "info": { "title": "YouTube Comment Scraper That Won’t Quit", "description": "Bulk-extract YouTube comments (and replies) from video URLs with resilient pagination. Supports rotating alt instances and optional yt-dlp fallback for maximum uptime. Saves video metadata + comment records to dataset output — no API key.", "version": "0.0", "x-build-id": "YAarffyi97X1iDURT" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/thescrapelab~Apify-YouTube-Comment-Scraper-2-0/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-thescrapelab-Apify-YouTube-Comment-Scraper-2-0", "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": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } }, "/acts/thescrapelab~Apify-YouTube-Comment-Scraper-2-0/runs": { "post": { "operationId": "runs-sync-thescrapelab-Apify-YouTube-Comment-Scraper-2-0", "x-openai-isConsequential": false, "summary": "Executes an Actor and returns information about the initiated run in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": { "$ref": "#/components/schemas/runsResponseSchema" } } } } } } }, "/acts/thescrapelab~Apify-YouTube-Comment-Scraper-2-0/run-sync": { "post": { "operationId": "run-sync-thescrapelab-Apify-YouTube-Comment-Scraper-2-0", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": [ "videoUrls" ], "properties": { "videoUrls": { "title": "Video URLs", "type": "array", "description": "YouTube watch URLs or video IDs.", "default": [ "https://www.youtube.com/watch?v=dQw4w9WgXcQ" ], "items": { "type": "string" } }, "maxCommentsPerVideo": { "title": "Max comments per video (0 = no cap)", "minimum": 0, "maximum": 100000, "type": "integer", "description": "Maximum number of comments to collect per video. Use 0 for unlimited, but this actor enforces a hard safety cap of 100000 comments per video.", "default": 20 }, "maxCommentPagesPerVideo": { "title": "Max comment pages per video", "minimum": 1, "maximum": 1000, "type": "integer", "description": "Maximum number of comment pages to request per video (each page may contain multiple comments). This actor enforces a hard safety cap of 1000 pages per video.", "default": 2 }, "includeReplies": { "title": "Include replies (when present in payload)", "type": "boolean", "description": "If enabled, include replies when the instance payload provides them.", "default": false }, "fallbackToYtDlpComments": { "title": "Fallback to yt-dlp for comments", "type": "boolean", "description": "If all alt instances fail (or return no comments unexpectedly), try fetching comments directly from YouTube using yt-dlp as a fallback.", "default": true }, "timeoutSec": { "title": "HTTP timeout (seconds)", "minimum": 5, "type": "integer", "description": "Timeout per HTTP request to the instance.", "default": 20 }, "actorTimeoutSec": { "title": "Actor timeout (seconds, 0 = auto)", "minimum": 0, "type": "integer", "description": "Overall wall-clock budget for the entire run in seconds. The scraper stops fetching new pages ~45 s before this deadline to ensure partial results are flushed and saved. Set to 0 to auto-detect from the Apify platform timeout.", "default": 0 }, "altInstances": { "title": "Alt instances", "type": "array", "description": "Try multiple yewtu/Invidious-like instances in order until one responds.", "default": [ "https://iv.melmac.space", "https://yewtu.be", "https://inv.nadeko.net", "https://vid.puffyan.us", "https://iv.ggtyler.dev", "https://inv.tux.pizza", "https://invidious.privacydev.net", "https://invidious.projectsegfau.lt", "https://invidious.f5.si", "https://invidious.nerdvpn.de" ], "items": { "type": "string" } }, "proxyConfiguration": { "title": "Proxy configuration", "type": "object", "description": "Proxy to use for all HTTP requests (Invidious instances + yt-dlp). US Residential is recommended — real household IPs bypass YouTube's datacenter IP blocks that cause empty results on Apify's shared infrastructure." } } }, "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 } } }, "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 } } } } } } } } } }