Index onlineMerchant portal
Api Endpoint

YouTube Summary & Transcript

Full transcript of a YouTube video from its URL — captions/subtitles as clean plain text in your language. YouTube transcript, video to text, captions extraction, subtitle download, speech to text, multilingual. 105 languages supported, including English, Spanish, Portuguese, French, German, Hindi, Arabic, Chinese, Japanese, Korean, Russian, Indonesian and Vietnamese. Pay per call, no account or API key.

Open interactive test console

Offering

Provider
api.sumvid.app
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Creative
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.sumvid.app/v1/transcript
MIME type
Not provided
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
YouTube, transcript, captions, subtitles, video-to-text

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x9036fF40101eeff4Cb8A377d59e9432819b5d420"
  }
]

Observed health

Status
Reachable
Latest latency
54 ms
Average latency
301 ms
HTTP status
405
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "language": {
          "description": "BCP-47 language code for the output (default 'en'; 105 supported, e.g. es, pt-BR, fr, de, hi, ar, zh-Hans, ja, ko, ru, id, vi)",
          "type": "string"
        },
        "url": {
          "description": "A YouTube video URL or ID",
          "type": "string"
        }
      },
      "required": [
        "url"
      ]
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "properties": {
    "example": {
      "properties": {
        "channel": {
          "type": [
            "string",
            "null"
          ]
        },
        "duration_seconds": {
          "type": [
            "integer",
            "null"
          ]
        },
        "language_code": {
          "type": "string"
        },
        "thumbnail_url": {
          "type": [
            "string",
            "null"
          ]
        },
        "title": {
          "type": [
            "string",
            "null"
          ]
        },
        "transcript": {
          "description": "Full plain-text transcript of the video",
          "type": "string"
        },
        "youtube_video_id": {
          "type": "string"
        }
      },
      "required": [
        "youtube_video_id",
        "transcript",
        "language_code"
      ],
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}