Endpoint

NPPES

Listed in the community [public-apis](https://github.com/public-apis/public-apis) catalog (Health). National Plan & Provider Enumeration System, info on healthcare providers registered in US

National Plan & Provider Enumeration System, info on healthcare providers registered in US

HealthNo API keyDefault GET

HTTP console

Example URL

https://npiregistry.cms.hhs.gov/registry/help-apiProvider documentation

Request

HTTPS GET. Table auth: No; CORS: Unknown. URL is the catalog link—open docs and adjust path or query for a live JSON endpoint where applicable.

GET /registry/help-api

Response

varies by provider — inspect response or documentation

{ /* response varies — use Try or read provider docs */ }

Outbound requestProxy

Executes on the server with rate limits and host rules. Edit the URL and payload to match your scenario—responses show real upstream status and body (truncated if very large).

Upstream response

Ready. Click Send to execute the request. Status, latency, content type, and body appear here—formatted when the payload is JSON.