openapi: 3.0.1
info:
  title: Payerset Data Lake Billing Codes API
  description: The Payerset Data Lake API provides programmatic access to U.S. healthcare price transparency data parsed from payer Transparency in Coverage (TiC) machine-readable files and hospital price transparency MRFs, enriched with provider, payer, and billing-code reference metadata. Endpoints support payer/provider negotiated rate lookups, NPI and TIN provider mapping, billing-code classification, and hospital MRF discovery. Authentication is via an API key supplied in the x-api-key header.
  contact:
    name: Payerset Support
    email: support@payerset.com
    url: https://www.payerset.com
  version: '2024-10-31'
servers:
- url: https://api.payerset.com
  description: Payerset Data Lake production API
security:
- api_key: []
tags:
- name: Billing Codes
  description: Billing code classification, categorization, and code type reference data.
paths:
  /v1/metadata/billing_codes/code_detail:
    get:
      operationId: getBillingCodeDetail
      tags:
      - Billing Codes
      summary: Get billing code detail
      description: Returns metadata for a specific billing code, including code type, name, category, and subcategory classification.
      parameters:
      - name: billing_code
        in: query
        required: true
        description: Billing code to look up (e.g., "99213").
        schema:
          type: string
      responses:
        '200':
          description: 200 response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/billingCode'
      security:
      - api_key: []
  /v1/metadata/billing_codes/code_types:
    get:
      operationId: getBillingCodeTypes
      tags:
      - Billing Codes
      summary: Get billing code types
      description: Returns the list of supported billing code types (e.g., CPT, HCPCS, MS-DRG).
      responses:
        '200':
          description: 200 response
          headers:
            Access-Control-Allow-Origin:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/codeType'
components:
  schemas:
    billingCode:
      type: object
      properties:
        items:
          type: array
          items:
            type: object
            properties:
              billing_code:
                type: string
              name:
                type: string
              code_type:
                type: string
              category:
                type: string
              subcategory:
                type: string
    codeType:
      required:
      - code_types
      type: object
      properties:
        code_types:
          type: array
          items:
            type: string
  securitySchemes:
    api_key:
      type: apiKey
      name: x-api-key
      in: header