MediaCaption API

A credit-billed REST API for retrieving public YouTube transcripts, with single and bulk transcript jobs, job-level webhooks, and AI transcription/translation capabilities. Backed by a public OpenAPI 3.1 contract with bearer/X-API-Key authentication.

MediaCaption API publishes 1 API on the APIs.io network: Media Caption Public API. Tagged areas include youtube, transcription, captions, subtitles, and video.

17.4/100 emerging Agent 17/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
1 APIs
youtubetranscriptioncaptionssubtitlesvideorestopenapiwebhooksspeech-to-textmediadeveloper-tools

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 17.4/100 · emerging
Contract Quality 9.4 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 8.0 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/mediacaption-api: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Media Caption Public API

REST API for fetching public YouTube transcripts synchronously and in bulk, with account/balance endpoints, job polling, and completion webhooks. Bearer API key or X-API-Key auth.

Source (apis.yml)

apis.yml Raw ↑
name: MediaCaption API
description: A credit-billed REST API for retrieving public YouTube transcripts, with single and bulk transcript jobs, job-level
  webhooks, and AI transcription/translation capabilities. Backed by a public OpenAPI 3.1 contract with bearer/X-API-Key authentication.
url: https://mediacaption-api.apievangelist.com/apis.yml
created: '2026-07-18'
modified: '2026-07-18'
specificationVersion: '0.21'
tags:
- youtube
- transcription
- captions
- subtitles
- video
- rest
- openapi
- webhooks
- speech-to-text
- media
- developer-tools
apis:
- name: Media Caption Public API
  description: REST API for fetching public YouTube transcripts synchronously and in bulk, with account/balance endpoints,
    job polling, and completion webhooks. Bearer API key or X-API-Key auth.
  humanURL: https://www.mediacaption.io/api
  baseURL: https://api.mediacaption.io/v1
  tags:
  - youtube
  - transcription
  - captions
  - subtitles
  - video
  - rest
  - openapi
  - webhooks
  - speech-to-text
  - media
  - developer-tools
  properties:
  - type: OpenAPI
    url: https://www.mediacaption.io/docs/openapi/mediacaption.v1.yaml
  - type: Documentation
    url: https://www.mediacaption.io/docs
  - type: Documentation
    url: https://www.mediacaption.io/docs/quickstart
maintainers:
- FN: MediaCaption API
  url: https://www.mediacaption.io
generated:
  by: apis.io/add
  model: claude-opus-4-8
  confidence: 95
  at: '2026-07-18T18:19:45.114Z'