Kotoba

Kotoba transcriptionApi API

The transcriptionApi API from Kotoba — 2 operation(s) for transcriptionapi.

Documentation GitHub OpenAPI

Operations 2

POST /v1/transcription_jobs Submit an audio file for asynchronous transcription. #

GET /v1/transcription_jobs/{job_id} Fetch the transcription result for a completed job. #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Live (WebSocket) Transcription API
  version: 1.0.0
servers:
- url: https://api.kotobatech.ai
  description: Base URL declared by the provider in apis.yml (roadmap#122).
tags:
- name: transcriptionApi
paths:
  /v1/transcription_jobs:
    post:
      operationId: submit-transcription-job-v-1-transcription-jobs-post
      summary: Submit an audio file for asynchronous transcription.
      tags:
      - transcriptionApi
      responses:
        '202':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JobIDResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      requestBody:
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                file:
                  type: string
                  format: binary
                  description: Audio file (MP3/WAV/MP4/WebM/etc.).
                language:
                  type:
                  - string
                  - 'null'
                  description: 'Target language (ISO-639-1). Supported: en, ja, ko, zh. Defaults to ''ja''.'
                with_timestamps:
                  type: boolean
                  default: false
                  description: Include per-segment timestamps in the GET response. Adds tokenizer + silero-VAD work; disabled by default for the lighter text-only path.
              required:
              - file
  /v1/transcription_jobs/{job_id}:
    get:
      operationId: get-transcription-job-v-1-transcription-jobs-job-id-get
      summary: Fetch the transcription result for a completed job.
      tags:
      - transcriptionApi
      parameters:
      - name: job_id
        in: path
        description: The job ID returned from POST.
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Transcription_API_get_transcription_job_v1_transcription_jobs__job_id__get_Response_200'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    ValidationErrorLocItems:
      oneOf:
      - type: string
      - type: integer
      title: ValidationErrorLocItems
    HTTPValidationError:
      type: object
      properties:
        detail:
          type: array
          items:
            $ref: '#/components/schemas/ValidationError'
      title: HTTPValidationError
    ValidationError:
      type: object
      properties:
        loc:
          type: array
          items:
            $ref: '#/components/schemas/ValidationErrorLocItems'
        msg:
          type: string
        type:
          type: string
      required:
      - loc
      - msg
      - type
      title: ValidationError
    Segment:
      type: object
      properties:
        text:
          type: string
        start:
          type: number
          format: double
          description: Segment start time in seconds.
        end:
          type: number
          format: double
          description: Segment end time in seconds.
      required:
      - text
      - start
      - end
      title: Segment
    JobIDResponse:
      type: object
      properties:
        job_id:
          type: string
          description: The unique ID of the created job
      required:
      - job_id
      title: JobIDResponse
    Transcription_API_get_transcription_job_v1_transcription_jobs__job_id__get_Response_200:
      oneOf:
      - type: object
        properties:
          state:
            type: string
            enum:
            - done
            description: 'Discriminator value: done'
          transcription:
            type: string
            description: The final transcription text.
          segments:
            type:
            - array
            - 'null'
            items:
              $ref: '#/components/schemas/Segment'
            description: Per-chunk timestamps aligned to the 80ms inference grid and refined with silero-VAD. Present only when the POST request set with_timestamps=true.
        required:
        - state
        - transcription
        description: DoneResponse variant
      - type: object
        properties:
          state:
            type: string
            enum:
            - error
            description: 'Discriminator value: error'
          error_message:
            type: string
            description: Details about the error.
        required:
        - state
        - error_message
        description: ErrorResponse variant
      discriminator:
        propertyName: state
      title: Transcription API_get_transcription_job_v1_transcription_jobs__job_id__get_Response_200
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'HTTP Bearer authentication. Pass the Kotoba API key as a Bearer

        token via the Authorization header. Server-side use only.

        '