Cobalt Speech API

Cobalt Speech API as documented publicly: 4 operations. Contract generated from the documentation by API Evangelist (2026-10-27); not the provider's own document.

Operations 4

POST /api/capt/v1/evaluate POST /api/capt/v1/evaluate #
GET /api/capt/v1/list-models Checking the server is up #
GET /api/capt/v1/streaming-evaluate Browser Integration #
GET /api/capt/v1/version GET /api/capt/v1/version #

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OpenAPI Specification

cobalt-speech-openapi-generated.yml Raw ↑
openapi: 3.1.0
info:
  title: Cobalt Speech API
  version: '2026-10-27'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-27: 4 operation(s) read from 3 public documentation page(s) (each operation
    names its page in x-source). This is not the provider''s published contract; Cobalt Speech has published no machine-readable contract that
    the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 2
    documentation: 2
    pages-with-code: 2
    pages-read: 3
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-27'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://docs.cobaltspeech.com/docs/speech_assessment/capt/get_started
  - https://docs.cobaltspeech.com/docs/speech_assessment/capt/streaming_evaluation
  - https://docs.cobaltspeech.com/docs/speech_assessment/capt/browser_integration
paths:
  /api/capt/v1/evaluate:
    post:
      operationId: post_api_capt_v1_evaluate
      tags:
      - Api
      summary: POST /api/capt/v1/evaluate
      x-source: https://docs.cobaltspeech.com/docs/speech_assessment/capt/streaming_evaluation
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostApiCaptV1EvaluateRequest'
      responses:
        '201':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: "curl -s -X POST http://localhost:8080/api/capt/v1/evaluate  -H 'Content-Type: application/json'  -d '{\n \"config\": {\n \"\
          model_id\": \"en_US-16khz\",\n \"reference_text\": \"WHEN THE SUNLIGHT STRIKES\",\n \"audio_format\": {\"audio_format_headered\": \"\
          AUDIO_FORMAT_HEADERED_WAV\"}\n },\n \"audio\": {\"data\": \"<base64-encoded WAV file>\"}\n }' \n The data field is the audio file, base64\
          \ encoded. See Interpreting\nResults for"
  /api/capt/v1/list-models:
    get:
      operationId: get_api_capt_v1_list_models
      tags:
      - Api
      summary: Checking the server is up
      description: Lists the CAPT evaluation models available on the server.
      x-source: https://docs.cobaltspeech.com/docs/speech_assessment/capt/get_started
      responses:
        '200':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetApiCaptV1ListModelsResponse'
      x-evidence:
        kind: documentation
  /api/capt/v1/streaming-evaluate:
    get:
      operationId: get_api_capt_v1_streaming_evaluate
      tags:
      - Api
      summary: Browser Integration
      x-source: https://docs.cobaltspeech.com/docs/speech_assessment/capt/browser_integration
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /api/capt/v1/version:
    get:
      operationId: get_api_capt_v1_version
      tags:
      - Api
      summary: GET /api/capt/v1/version
      x-source: https://docs.cobaltspeech.com/docs/speech_assessment/capt/get_started
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: "curl -s http://localhost:8080/api/capt/v1/version\n { \"version\" : \"1.4.0\" } \n The reported version is that of the capt-server\
          \ release you were given. curl -s http://localhost:8080/api/capt/v1/list-models\n { \n \"models\" : [ \n { \n \"id\" : \"en_US-16khz\"\
          \ , \n \"name\" : \"en_US CAPT (16khz audio)\" , \n \"kind\" : \"MODEL_KIND_SPEECH_EVALUATION\" , \n \"attributes\" : { \n \"sample_rate\"\
          \ : 16000 , \n \"metadata\" : { \"ver"
components:
  schemas:
    PostApiCaptV1EvaluateRequest:
      type: object
      properties:
        config:
          type: object
          properties:
            model_id:
              type: string
            reference_text:
              type: string
            audio_format:
              type: object
              properties:
                audio_format_headered:
                  type: string
        audio:
          type: object
          properties:
            data:
              type: string
    GetApiCaptV1ListModelsResponse:
      type: object
      properties:
        models:
          type: array
          description: List of available CAPT models.
        id:
          type: string
          description: Model identifier.
        name:
          type: string
          description: Human‑readable model name.
        kind:
          type: string
          description: Model kind, e.g., MODEL_KIND_SPEECH_EVALUATION.
        attributes.sample_rate:
          type: integer
          description: Audio sample rate expected by the model.
        attributes.metadata.version:
          type: string
          description: Model metadata version.
        attributes.metadata.build_date:
          type: string
          description: Model build date.
tags:
- name: Api