National Plan & Provider Enumeration System, info on healthcare providers registered in US
https://npiregistry.cms.hhs.gov
Auth type
none
Auth header
# No auth required
Rate limit
See documentation
Pricing
Free tier available
Free quota
Completely free
Documentation
https://npiregistry.cms.hhs.gov/registry/help-api
Endpoint status
Live — HTTP 200 — endpoint is accessible2.76s
(checked Mar 29, 2026)
Builder score
D
46%
builder-friendly
No authentication required
# No auth required
Free — open public API, no authentication required.
| Method | Path | Description |
|---|---|---|
| GET | / |
See documentation for endpoint reference |
curl 'https://npiregistry.cms.hhs.gov'
{}
Data sourced from API Map. Always verify pricing and rate limits against the official NPPES documentation.