FETCH402
← Protocol index

Resource / 1066

healthy

YouTube Metadata & Transcript.

GET https://api.kadec0.xyz/v1/youtube ↗

YouTube video data. Title, channel, description, view count, duration, keywords, thumbnails, and a best-effort caption transcript for any video — keyless.

Eligibility
probeable
Failures
0
Last quote
2026-08-13 06:45:02 UTC
Last probe
2026-08-13 06:45:02 UTC
Payment requirements / accepts[] 1 options
State Network Scheme Atomic amount Asset payTo / untrusted
active eip155:8453 exact 30000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 1 recent
healthy 2026-08-13 06:45:02 UTC GET · HTTP 402 · 98ms · accepts 1 · base 1 ok
Request
GET https://api.kadec0.xyz/v1/youtube
Robots
error
Note
robots_error:{:robots_http_status, 404};http_402;accepts=1;base=1
Accepts fingerprint
b2556a1cab746dcebebd5a7173517cdbccdd278a886561732587a3328666ebeb

Accepts snapshot

[
  {
    "amount": "30000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
    "paymentFlow": null,
    "raw": {
      "amount": "30000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
      "pay_to": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
      "scheme": "exact"
    },
    "scheme": "exact"
  }
]

PaymentRequired raw 

{
  "accepts": [
    {
      "amount": "30000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "url": "https://www.youtube.com/watch?v=dQw4w9WgXcg"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "count": 1,
            "items": [
              {
                "channel": "...",
                "description": "...",
                "keywords": [
                  "..."
                ],
                "lengthSeconds": 213,
                "title": "...",
                "transcript": "...",
                "transcriptAvailable": true,
                "type": "youtube_video",
                "videoId": "dQw4w9WgXcg",
                "viewCount": 1600000000
              }
            ]
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "transcript": {
                    "default": true,
                    "description": "fetch caption transcript (best-effort)",
                    "type": "boolean"
                  },
                  "url": {
                    "description": "any youtube watch / youtu.be / shorts url",
                    "type": "string"
                  },
                  "video_id": {
                    "description": "11-char video id",
                    "type": "string"
                  }
                },
                "required": [],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "resource": {
    "description": "YouTube video data. Title, channel, description, view count, duration, keywords, thumbnails, and a best-effort caption transcript for any video — keyless.",
    "mimeType": "",
    "serviceName": "YouTube Metadata & Transcript",
    "tags": [
      "youtube",
      "video",
      "transcript",
      "metadata",
      "captions"
    ],
    "url": "https://api.kadec0.xyz/v1/youtube"
  },
  "x402Version": 2
}

Response headers

{
  "alt-svc": "h3=\":443\"; ma=86400",
  "cf-cache-status": "DYNAMIC",
  "cf-ray": "a2a5c1308eff1320-IAD",
  "connection": "keep-alive",
  "content-type": "application/json",
  "date": "Thu, 13 Aug 2026 06:45:02 GMT",
  "payment-required": "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",
  "rndr-id": "3d765b45-1710-4f60",
  "server": "cloudflare",
  "transfer-encoding": "chunked",
  "vary": "Accept-Encoding",
  "x-render-origin-server": "uvicorn"
}

Response body 

{}

Request headers

{
  "accept": "*/*",
  "user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}

Machine contract

Schemas.

InputJSON
{}
OutputJSON
{}