openapi: 3.0.1 info: title: Payerset Data Lake Billing Codes Hospital MRF 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: Hospital MRF description: Hospital price transparency machine-readable file discovery (hospitals, systems, payers). paths: /v1/hospital_mrf/hospital_list: get: operationId: getHospitalList tags: - Hospital MRF summary: Get hospital list description: Returns the list of hospitals with published price transparency machine-readable files. responses: '200': description: 200 response headers: Access-Control-Allow-Origin: schema: type: string content: application/json: schema: $ref: '#/components/schemas/hospitalList' security: - api_key: [] /v1/hospital_mrf/system_list: get: operationId: getSystemList tags: - Hospital MRF summary: Get system list description: Returns the list of hospital systems represented in the hospital MRF dataset. responses: '200': description: 200 response headers: Access-Control-Allow-Origin: schema: type: string content: application/json: schema: $ref: '#/components/schemas/systemList' security: - api_key: [] /v1/hospital_mrf/payer_list: get: operationId: getHospitalPayerList tags: - Hospital MRF summary: Get hospital payer list description: Returns the list of payers present in the hospital price transparency MRF dataset. responses: '200': description: 200 response headers: Access-Control-Allow-Origin: schema: type: string content: application/json: schema: $ref: '#/components/schemas/hospitalPayerList' security: - api_key: [] components: schemas: systemList: required: - Count - Items type: object properties: Count: type: integer Items: type: array items: required: - state - system_id - system_name type: object properties: system_id: type: string system_name: type: string state: type: string hospitalPayerList: required: - Count - Items type: object properties: Count: type: integer Items: type: array items: required: - payer_id - payer_name - payer_type - state type: object properties: payer_id: type: string payer_name: type: string payer_type: type: string state: type: string hospitalList: required: - Count - Items type: object properties: Count: type: integer Items: type: array items: required: - hospital_id - hospital_name - system_name type: object properties: system_name: type: string hospital_id: type: string hospital_name: type: string securitySchemes: api_key: type: apiKey name: x-api-key in: header