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CMS.gov API

by CMS.gov Free tier

Access to the data from the CMS - medicare.gov

developer

Quick Reference

Base URL https://data.cms.gov Auth type API Key Header Auth header Authorization: Bearer YOUR_TOKEN Rate limit 10,000 req/day Pricing Enterprise / contact sales Free quota None Documentation https://data.cms.gov/provider-data/ Endpoint status Live — HTTP 200 — endpoint is accessible1.27s (checked Mar 29, 2026) Builder score D 32% builder-friendly
Pricing
28
Latency
60
Depth
14

Authentication

See documentation for auth details

Authorization: Bearer YOUR_TOKEN

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free and open. US Centers for Medicare & Medicaid Services open data API.

Key Endpoints

MethodPathDescription
GET / See documentation for endpoint reference

Sample Request

curl 'https://data.cms.gov'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official CMS.gov documentation.