CMS — Centers for Medicare & Medicaid Services

Centers for Medicare and Medicaid Services Insurance Plans API

Data on both health and dental insurance plans.

GitHub OpenAPI

Operations 6

GET /crosswalk Crosswalk a previous year plan #
POST /plans Get multiple plans #
POST /plans/search Search for insurance plans #
POST /plans/search/stats Retrieve stats on groups of insurance plans #
GET /plans/{plan_id} Get a plan #
GET /plans/{plan_id}/quality-ratings Get plans by plan id quality ratings #

Documentation

📖
Documentation
https://developer.cms.gov/marketplace-api/
📖
Authentication
https://developer.cms.gov/marketplace-api/key-request.html
📖
Documentation
https://bluebutton.cms.gov/api-documentation
📖
Documentation
https://developer.cms.gov/ppl-api/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/cms-gov/refs/heads/main/openapi/cms-insurance-plans-api-openapi.yml

SDKs

📦
GitHubRepository
https://github.com/CMSgov/bluebutton-web-server

Other Resources

🔗
Sandbox
https://sandbox.bluebutton.cms.gov/v1/accounts/login

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OpenAPI Specification

cms-insurance-plans-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Marketplace Insurance Plans API
  version: '1'
  description: '# About


    The Marketplace API delivers data that helps users find and evaluate health care insurance plans, providers, and coverage information on the marketplace.'
servers:
- url: https://marketplace.api.healthcare.gov/api/v1
security:
- API Key: []
tags:


# --- truncated at 32 KB (37 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/cms-gov/refs/heads/main/openapi/cms-insurance-plans-api-openapi.yml