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

# Get supported vocabularies (API)

> Returns lists of all supported medical vocabularies (ICD10, SNOMED, CPT4, etc.) and domains (Condition, Procedure, Drug, etc.) available for OMOP concept search.

**Supports both JWT (Authorization: Bearer) and API key (X-API-Key) authentication.**



## OpenAPI

````yaml /api/openapi-commercial.yaml get /api/v1/search/vocabularies/
openapi: 3.0.3
info:
  title: Healthproximate API
  version: 1.0.0
  description: >-
    DRG classification, OMOP vocabulary services and a PHI-safe LLM gateway.


    Generated by `manage.py export_commercial_openapi` from an explicit
    operation allowlist (`app/openapi_commercial.py`). An endpoint appears here
    because someone published it, never because it exists.
  contact:
    email: admin@valiancehealth.ai
servers:
  - url: https://api.v2.healthproximate.com
security: []
tags:
  - name: DRG
    description: MS-DRG classification from coded input, free clinical text, or FHIR.
  - name: Vocabulary
    description: OMOP concept search, coding, translation and hierarchy resolution.
  - name: Gateway
    description: >-
      PHI-safe LLM access. Text is redacted before any model sees it and
      re-hydrated in the answer, and every response carries a receipt.
paths:
  /api/v1/search/vocabularies/:
    get:
      tags:
        - Vocabulary
      summary: Get supported vocabularies (API)
      description: >-
        Returns lists of all supported medical vocabularies (ICD10, SNOMED,
        CPT4, etc.) and domains (Condition, Procedure, Drug, etc.) available for
        OMOP concept search.


        **Supports both JWT (Authorization: Bearer) and API key (X-API-Key)
        authentication.**
      operationId: v1_search_vocabularies_retrieve
      parameters:
        - in: query
          name: response_format
          schema:
            type: string
            enum:
              - json
              - llm
            default: json
          description: >-
            Response format. 'json' (default) returns structured JSON. 'llm'
            returns compact markdown tables (text/markdown) optimized for LLM
            consumption. When 'llm', the response body is markdown text rather
            than the JSON schema shown below.
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SupportedVocabulariesResponse'
          description: Supported vocabularies and domains
        '401':
          description: >-
            Invalid or missing authentication. Provide either Authorization
            header (Bearer token) or X-API-Key header.
      security:
        - api_key_auth: []
        - jwt_auth: []
components:
  schemas:
    SupportedVocabulariesResponse:
      type: object
      properties:
        vocabularies:
          type: array
          items:
            type: string
        domains:
          type: array
          items:
            type: string
      required:
        - domains
        - vocabularies
  securitySchemes:
    api_key_auth:
      type: apiKey
      in: header
      name: X-API-Key
      description: >-
        API key for organization authentication. Obtain from the organization
        settings or API key management endpoint.
    jwt_auth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: JWT access token obtained from /login/ endpoint

````