CMS — Centers for Medicare & Medicaid Services

aid: cms-gov
url: https://raw.githubusercontent.com/api-evangelist/cms-gov/refs/heads/main/apis.yml
apis:
- aid: cms-gov:blue-button-2-fhir-api
  name: CMS Blue Button 2.0 API
  tags:
  - Healthcare
  - Medicare
  - FHIR
  - Claims
  - Beneficiary
  - Government
  humanURL: https://bluebutton.cms.gov/developers/
  baseURL: https://api.bluebutton.cms.gov/v2/fhir
  properties:
  - url: https://bluebutton.cms.gov/developers/
    type: Documentation
  - url: https://bluebutton.cms.gov/api/v2/explorer/
    type: Console
  - url: openapi/cms-gov-blue-button-2-openapi.yml
    type: OpenAPI
  - url: json-schema/cms-gov-explanation-of-benefit-schema.json
    type: JSONSchema
  - url: json-schema/cms-gov-patient-schema.json
    type: JSONSchema
  - url: json-schema/cms-gov-coverage-schema.json
    type: JSONSchema
  - url: json-ld/cms-gov-context.jsonld
    type: JSONLD
  - type: NaftikoCapability
    url: capabilities/blue-button-fhir.yaml
  description: Blue Button 2.0 is a developer-friendly, OAuth 2.0-enabled, HL7 FHIR R4 standard data API that delivers
    Medicare Part A, B, and D claims data for 60+ million Medicare beneficiaries to applications, services, and
    research programs. Includes Patient, Coverage, and ExplanationOfBenefit resources for the beneficiary's
    consented data.
- aid: cms-gov:beneficiary-claims-data-api
  name: CMS Beneficiary Claims Data API (BCDA)
  tags:
  - Healthcare
  - Medicare
  - FHIR
  - Bulk Data
  - ACO
  - Claims
  - Government
  humanURL: https://bcda.cms.gov/
  baseURL: https://api.bcda.cms.gov/api/v2
  properties:
  - url: https://bcda.cms.gov/
    type: Documentation
  - url: https://bcda.cms.gov/guide.html
    type: Documentation
  - url: https://sandbox.bcda.cms.gov/
    type: Sandbox
  - url: openapi/cms-gov-bcda-openapi.yml
    type: OpenAPI
  - type: NaftikoCapability
    url: capabilities/bcda-bulk-fhir.yaml
  description: BCDA enables Medicare Shared Savings Program Accountable Care Organizations (ACOs) to retrieve bulk
    Medicare Parts A, B, and D claims data for their assigned and assignable beneficiaries via the HL7 FHIR Bulk
    Data Access (Flat FHIR) specification. Uses asynchronous $export endpoints returning NDJSON resources for
    Patient, Coverage, and ExplanationOfBenefit.
- aid: cms-gov:ab2d-api
  name: CMS AB2D API
  tags:
  - Healthcare
  - Medicare
  - FHIR
  - Bulk Data
  - Part D
  - Claims
  - Government
  humanURL: https://ab2d.cms.gov/
  baseURL: https://api.ab2d.cms.gov/api/v2
  properties:
  - url: https://ab2d.cms.gov/
    type: Documentation
  - url: https://ab2d.cms.gov/getting-started/
    type: Documentation
  - url: https://sandbox.ab2d.cms.gov/swagger-ui/
    type: Console
  - url: openapi/cms-gov-ab2d-openapi.yml
    type: OpenAPI
  - type: NaftikoCapability
    url: capabilities/ab2d-bulk-fhir.yaml
  description: AB2D (Claim and Claim Line Feed) delivers Medicare Parts A, B, and D claims data to Part D
    prescription drug plan sponsors via the HL7 FHIR Bulk Data Access specification. Supports asynchronous
    $export of ExplanationOfBenefit resources as NDJSON for all enrolled Medicare beneficiaries since 2020.
- aid: cms-gov:data-at-point-of-care-api
  name: CMS Data at the Point of Care API (DPC)
  tags:
  - Healthcare
  - Medicare
  - FHIR
  - Bulk Data
  - Provider
  - Government
  humanURL: https://dpc.cms.gov/
  baseURL: https://sandbox.dpc.cms.gov/api/v1
  properties:
  - url: https://dpc.cms.gov/
    type: Documentation
  - url: https://dpc.cms.gov/docs
    type: Documentation
  - url: openapi/cms-gov-dpc-openapi.yml
    type: OpenAPI
  - type: NaftikoCapability
    url: capabilities/dpc-bulk-fhir.yaml
  description: Data at the Point of Care fills gaps in patient history by delivering Medicare claims data via HL7
    FHIR Bulk Data Access to fee-for-service providers at the point of care. Providers register Practitioner,
    Organization, Group, and Patient roster resources, then asynchronously $export ExplanationOfBenefit, Coverage,
    and Patient resources.
- aid: cms-gov:bfd-api
  name: CMS Beneficiary FHIR Data Server (BFD)
  tags:
  - Healthcare
  - Medicare
  - FHIR
  - Claims
  - Beneficiary
  - Government
  humanURL: https://bfd.cms.gov/
  properties:
  - url: https://bfd.cms.gov/
    type: Documentation
  - url: https://github.com/CMSgov/beneficiary-fhir-data
    type: SourceCode
  - url: openapi/cms-gov-bfd-openapi.yml
    type: OpenAPI
  - type: NaftikoCapability
    url: capabilities/bfd-fhir.yaml
  description: The Beneficiary FHIR Data (BFD) Server is the upstream HL7 FHIR R4 service that powers Blue Button
    2.0, BCDA, AB2D, and DPC. BFD ingests claims from the CMS Chronic Conditions Warehouse (CCW) and exposes
    Patient, Coverage, and ExplanationOfBenefit resources with both synchronous and bulk asynchronous access.
    Internal/peering access only; clients use the downstream Blue Button, BCDA, AB2D, or DPC APIs.
- aid: cms-gov:marketplace-api
  name: CMS Marketplace API
  tags:
  - Healthcare
  - Marketplace
  - Insurance
  - ACA
  - Plans
  - Government
  humanURL: https://developer.cms.gov/marketplace-api/
  baseURL: https://marketplace.api.healthcare.gov/api/v1
  properties:
  - url: https://developer.cms.gov/marketplace-api/
    type: Documentation
  - url: https://www.cms.gov/marketplace/resources/data/public-use-files
    type: Documentation
  - url: openapi/cms-gov-marketplace-openapi.yml
    type: OpenAPI
  - type: NaftikoCapability
    url: capabilities/marketplace-plans.yaml
  description: The Marketplace API exposes Qualified Health Plan (QHP) and Stand-alone Dental Plan (SADP) data
    from healthcare.gov including plan finder, plan compare, plan rates, plan benefits, plan crosswalks, and
    issuer details. Powers consumer plan-shopping experiences across HealthCare.gov and partner brokers.
- aid: cms-gov:data-cms-gov-api
  name: CMS Open Data API (data.cms.gov)
  tags:
  - Healthcare
  - Open Data
  - Datasets
  - Socrata
  - Government
  humanURL: https://data.cms.gov/
  baseURL: https://data.cms.gov/data-api/v1
  properties:
  - url: https://data.cms.gov/
    type: Portal
  - url: https://data.cms.gov/provider-data/
    type: Documentation
  - url: https://data.cms.gov/data.json
    type: Schema
  - url: openapi/cms-gov-open-data-openapi.yml
    type: OpenAPI
  - type: NaftikoCapability
    url: capabilities/open-data-datasets.yaml
  description: The CMS Open Data API exposes the full catalog of public CMS datasets — Medicare provider utilization
    and payment files, Medicare Advantage and Part D enrollment, Hospital Compare, Nursing Home Compare, Physician
    Compare, Open Payments (Sunshine Act), Marketplace public-use files, and the Provider Data Catalog. Datasets
    are queryable via filtered JSON/CSV downloads and dataset-level data-api endpoints.
- aid: cms-gov:provider-data-catalog-api
  name: CMS Provider Data Catalog API
  tags:
  - Healthcare
  - Quality
  - Provider
  - Hospitals
  - Compare
  - Government
  humanURL: https://data.cms.gov/provider-data/
  baseURL: https://data.cms.gov/provider-data/api/1
  properties:
  - url: https://data.cms.gov/provider-data/
    type: Portal
  - url: https://data.cms.gov/provider-data/docs
    type: Documentation
  - url: openapi/cms-gov-provider-data-openapi.yml
    type: OpenAPI
  - type: NaftikoCapability
    url: capabilities/provider-data-catalog.yaml
  description: The Provider Data Catalog API surfaces the quality and compare datasets that powered the legacy
    Hospital Compare, Nursing Home Compare, Home Health Compare, Hospice Compare, Long-Term Care Hospital
    Compare, Inpatient Rehabilitation Facility Compare, Dialysis Facility Compare, and Physician Compare sites
    via CKAN DKAN-compatible dataset and resource endpoints.
- aid: cms-gov:quality-payment-program-api
  name: CMS Quality Payment Program API
  tags:
  - Healthcare
  - Quality
  - MIPS
  - MACRA
  - Provider
  - Government
  humanURL: https://qpp.cms.gov/about/resource-library
  baseURL: https://qpp.cms.gov/api
  properties:
  - url: https://qpp.cms.gov/about/resource-library
    type: Documentation
  - url: https://github.com/CMSgov/qpp-measures-data
    type: SourceCode
  - url: openapi/cms-gov-qpp-openapi.yml
    type: OpenAPI
  - type: NaftikoCapability
    url: capabilities/quality-payment-program.yaml
  description: The Quality Payment Program (QPP) API supports the Merit-based Incentive Payment System (MIPS) and
    Advanced Alternative Payment Models (APMs) under MACRA. Exposes measures, benchmarks, scoring, and submission
    endpoints used by Qualified Registries, EHR vendors, and QCDRs to submit clinician performance data and
    retrieve scoring metadata.
- aid: cms-gov:medicare-coverage-database-api
  name: CMS Medicare Coverage Database API
  tags:
  - Healthcare
  - Medicare
  - Coverage
  - Policy
  - LCD
  - NCD
  - Government
  humanURL: https://www.cms.gov/medicare-coverage-database/
  properties:
  - url: https://www.cms.gov/medicare-coverage-database/
    type: Portal
  - url: https://www.cms.gov/medicare-coverage-database/reports/reports.aspx
    type: Documentation
  - url: openapi/cms-gov-mcd-openapi.yml
    type: OpenAPI
  - type: NaftikoCapability
    url: capabilities/medicare-coverage-database.yaml
  description: The Medicare Coverage Database (MCD) exposes National Coverage Determinations (NCDs), Local
    Coverage Determinations (LCDs), Local Coverage Articles, Proposed Decisions, National Coverage Analyses, and
    Medicare Evidence Development & Coverage Advisory Committee (MEDCAC) records. Powers coverage policy lookups
    by HCPCS code, ICD-10, contractor jurisdiction, and state.
name: CMS — Centers for Medicare & Medicaid Services
description: The Centers for Medicare & Medicaid Services (CMS) is the U.S. federal agency within the Department
  of Health and Human Services that administers Medicare, Medicaid, the Children's Health Insurance Program (CHIP),
  the Health Insurance Marketplace, and the broader CMS open-data program. CMS operates one of the largest
  collections of HL7 FHIR APIs in the U.S. federal government — Blue Button 2.0, BCDA, AB2D, DPC, and the
  upstream BFD server — alongside the Marketplace API, the data.cms.gov open-data catalog, the Provider Data
  Catalog, the Quality Payment Program API, and the Medicare Coverage Database.
tags:
- Healthcare
- Medicare
- Medicaid
- FHIR
- Bulk Data
- Open Data
- Government
- Federal
- Claims
- Insurance
- ACA
- Marketplace
- Quality
kind: contract
image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
access: 3rd-Party
common:
- url: https://www.cms.gov/
  name: CMS Homepage
  type: Portal
- url: https://developer.cms.gov/
  name: CMS Developer Hub
  type: Portal
- url: https://github.com/CMSgov
  name: CMSgov GitHub Org
  type: SourceCode
- url: https://github.com/CMSgov/bluebutton-developer-help
  name: Blue Button Developer Help
  type: Support
- url: https://groups.google.com/g/developer-group-for-cms-blue-button-api
  name: Blue Button Google Group
  type: Forum
- url: https://groups.google.com/g/cms-bcda-api
  name: BCDA Google Group
  type: Forum
- url: https://groups.google.com/g/cms-ab2d-api
  name: AB2D Google Group
  type: Forum
- url: https://dpc.cms.gov/contact
  name: DPC Support
  type: Support
- url: https://bluebutton.cms.gov/developers/#try-the-api
  name: Blue Button Sandbox
  type: Sandbox
- url: https://sandbox.bcda.cms.gov/
  name: BCDA Sandbox
  type: Sandbox
- url: https://sandbox.ab2d.cms.gov/
  name: AB2D Sandbox
  type: Sandbox
- url: https://sandbox.dpc.cms.gov/
  name: DPC Sandbox
  type: Sandbox
- url: https://bluebutton.cms.gov/developers/#authorization
  name: Blue Button Authentication
  type: Authentication
- url: https://bcda.cms.gov/guide.html#authentication
  name: BCDA Authentication
  type: Authentication
- url: https://www.cms.gov/about-cms/contact-current/contact-us
  name: Contact CMS
  type: Support
- url: https://www.cms.gov/newsroom
  name: CMS Newsroom
  type: Blog
- url: https://www.cms.gov/about-cms/web-policies-important-links/privacy-policy
  name: Privacy Policy
  type: Privacy
- url: https://www.cms.gov/cclio/regulations-and-guidance
  name: CCIIO Regulations and Guidance
  type: Documentation
- url: https://confluence.hl7.org/display/FHIR/Argonaut+Implementation+Guide+Home+Page
  name: Argonaut FHIR Implementation Guide
  type: Documentation
- url: https://hl7.org/fhir/us/carin-bb/
  name: CARIN Blue Button FHIR IG
  type: Documentation
- url: https://hl7.org/fhir/uv/bulkdata/
  name: HL7 FHIR Bulk Data Access IG
  type: Documentation
- url: https://www.cms.gov/about-cms
  name: About CMS
  type: About
- url: https://www.cms.gov/about-cms/contact-current/cms-rss-feeds
  name: CMS RSS Feeds
  type: Feeds
maintainers:
- FN: Centers for Medicare & Medicaid Services
  url: https://www.cms.gov/
  email: [email protected]
created: '2026-05-25'
modified: '2026-05-25'
specificationVersion: '0.18'