openapi: 3.0.1
info:
  title: Sarvam AI Chat Language Identification API
  description: REST API for Sarvam AI, India's full-stack sovereign AI platform. Provides chat completions over Sarvam's Indic LLMs, speech-to-text and speech-to-text-translate, text-to-speech, text translation, transliteration, and language identification across Indian languages. All requests authenticate with an api-subscription-key header.
  termsOfService: https://www.sarvam.ai/terms-of-service
  contact:
    name: Sarvam AI Support
    url: https://www.sarvam.ai
  version: '1.0'
servers:
- url: https://api.sarvam.ai
security:
- ApiSubscriptionKey: []
tags:
- name: Language Identification
paths:
  /text-lid:
    post:
      operationId: identifyLanguage
      tags:
      - Language Identification
      summary: Identify the language of text
      description: Automatically detects the language and script of input text, returning BCP-47 language and script codes.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LanguageIdRequest'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LanguageIdResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/TooManyRequests'
components:
  schemas:
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            message:
              type: string
            code:
              type: string
    LanguageIdResponse:
      type: object
      properties:
        request_id:
          type: string
        language_code:
          type: string
        script_code:
          type: string
    LanguageIdRequest:
      type: object
      required:
      - input
      properties:
        input:
          type: string
  responses:
    Unauthorized:
      description: Missing or invalid api-subscription-key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    TooManyRequests:
      description: Rate limit exceeded.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    ApiSubscriptionKey:
      type: apiKey
      in: header
      name: api-subscription-key
      description: API subscription key created in the Sarvam AI dashboard.