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OpenAPI Specification

openapi: 3.2.0
info:
  title: Transcripts API
  description: YouTube Transcript API — extract transcripts, search videos, browse channels.
  version: 1.0.0
tags:
- name: Transcripts
paths:
  /transcript:
    get:
      tags:
      - Transcripts
      summary: Get Transcript
      operationId: get_transcript_transcript_get
      parameters:
      - name: video_id
        in: query
        required: true
        schema:
          type: string
          description: YouTube video ID
          title: Video Id
        description: YouTube video ID
      - name: language
        in: query
        required: false
        schema:
          type: string
          description: Preferred transcript language code (e.g. 'en', 'de', 'es')
          default: en
          title: Language
        description: Preferred transcript language code (e.g. 'en', 'de', 'es')
      - name: translate_to
        in: query
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          description: Translate transcript to this language using AI (e.g. 'de', 'fr'). Costs 1 extra credit per 40 transcript segments, minimum 2.
          title: Translate To
        description: Translate transcript to this language using AI (e.g. 'de', 'fr'). Costs 1 extra credit per 40 transcript segments, minimum 2.
      - name: authorization
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: Authorization
      - name: x-rapidapi-proxy-secret
        in: header
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: X-Rapidapi-Proxy-Secret
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '402':
          description: Insufficient credits. Not charged.
        '404':
          description: The video has captions turned off, is private, deleted or age-restricted. Refunded; retrying cannot help.
          content:
            application/json:
              schema:
                type: object
                properties:
                  detail:
                    type: string
                    description: Human-readable explanation.
                  error:
                    type: string
                    description: Machine name of the failure, e.g. TranscriptsDisabled.
                  hint:
                    type: string
                    description: What to do about it.
                  retryable:
                    type: boolean
                    description: 'false: the video itself is the problem, stop retrying.'
                  credits_refunded:
                    type: boolean
              example:
                detail: This video has captions turned off, so there is no transcript to fetch. Your credits have been refunded.
                error: TranscriptsDisabled
                hint: Retrying will not help — the uploader has disabled captions for this video.
                retryable: false
                credits_refunded: true
        '502':
          description: YouTube could not be read. Refunded; temporary, retry.
          content:
            application/json:
              schema:
                type: object
                properties:
                  detail:
                    type: string
                    description: Human-readable explanation.
                  error:
                    type: string
                    description: Machine name of the failure, e.g. TranscriptsDisabled.
                  hint:
                    type: string
                    description: What to do about it.
                  retryable:
                    type: boolean
                    description: 'false: the video itself is the problem, stop retrying.'
                  credits_refunded:
                    type: boolean
        '503':
          description: YouTube is refusing our requests. Refunded; temporary, retry.
          content:
            application/json:
              schema:
                type: object
                properties:
                  detail:
                    type: string
                    description: Human-readable explanation.
                  error:
                    type: string
                    description: Machine name of the failure, e.g. TranscriptsDisabled.
                  hint:
                    type: string
                    description: What to do about it.
                  retryable:
                    type: boolean
                    description: 'false: the video itself is the problem, stop retrying.'
                  credits_refunded:
                    type: boolean
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError