> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cattix.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Look up language details by ID

> Get language details for a specific language ID with caching.

This endpoint performs reverse lookup - converts a language ID to human-readable name.
Returns full language details including name and code.
Results are cached for 30 days unless force_refresh is True.



## OpenAPI

````yaml https://dev-api.cattix.com/openapi.json post /api/v1/google-ads/languages/lookup
openapi: 3.1.0
info:
  title: CATTIX API
  description: CATTIX Backend API
  version: 0.107.0
servers:
  - url: http://localhost:8000
    description: Local
  - url: https://dev-api.cattix.com
    description: Development
  - url: https://staging-api.cattix.com
    description: Staging
  - url: https://api.cattix.com
    description: Production
security: []
paths:
  /api/v1/google-ads/languages/lookup:
    post:
      tags:
        - Google Ads - Locations & Languages
      summary: Look up language details by ID
      description: >-
        Get language details for a specific language ID with caching.


        This endpoint performs reverse lookup - converts a language ID to
        human-readable name.

        Returns full language details including name and code.

        Results are cached for 30 days unless force_refresh is True.
      operationId: lookup_language_api_v1_google_ads_languages_lookup_post
      parameters:
        - name: token_id
          in: query
          required: false
          schema:
            anyOf:
              - type: integer
              - type: 'null'
            description: Optional specific Token ID
            title: Token Id
          description: Optional specific Token ID
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LanguageLookupRequestSchema'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LanguageSuggestionSchema'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
        - OAuth2PasswordBearer: []
components:
  schemas:
    LanguageLookupRequestSchema:
      properties:
        google_ads_customer_id:
          type: integer
          title: Google Ads Customer Id
          description: Google Ads customer ID
        language_id:
          type: integer
          title: Language Id
          description: Language ID to look up
        force_refresh:
          type: boolean
          title: Force Refresh
          description: Force refresh from API, bypass cache
          default: false
      type: object
      required:
        - google_ads_customer_id
        - language_id
      title: LanguageLookupRequestSchema
      description: Request schema for language lookup by ID.
    LanguageSuggestionSchema:
      properties:
        id:
          type: integer
          title: Id
          description: Language ID from LanguageConstant
        name:
          type: string
          title: Name
          description: Language name (e.g., 'English', 'Spanish')
        code:
          type: string
          title: Code
          description: Language code (e.g., 'en', 'es')
      type: object
      required:
        - id
        - name
        - code
      title: LanguageSuggestionSchema
      description: Schema for a single language suggestion.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    OAuth2PasswordBearer:
      type: oauth2
      flows:
        password:
          scopes: {}
          tokenUrl: api/v1/users/authorization/token

````