NPPES NPI Registry & Healthcare Provider Lookup API

Search the official public NPPES NPI Registry by exact NPI, provider or organization name, taxonomy, and location for provider onboarding, directory enrichment, and credentialing preflight. Deterministic test: npi=1881018208&maxResults=1 returns Mayo Clinic. NPI assignment and status A are administrative registry evidence—not identity, licensure, good standing, credentialing, sanctions clearance, Medicare or Medicaid enrollment, billing or ordering authority, current practice, or employment. MCP tool: search_npi_registry.

1 of 2 routes settlement-verified · $0.01 USDC/request · 2 endpoints / 1 tools · Data · base network · x402 protocol

Verified routes

• /x402/v1/npi-registry · $0.01 · Verified with a $0.01 test payment on 6 Aug 2026 · receipt

Other routes are unverified.

Networks: Base (settlement-verified)

Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.

url https://payapi.market/mcp

Listing facts

Provider

AutoScrape

Hosted at

autoscrape-api-seven.vercel.app

Category

Data

Price

$0.01 USDC per request

Endpoints

2

MCP tools

1

Payment networks

Base

Settlement-verified

1 route, last checked 2026-08-06

Listed on PayAPI Market

2026-08-06

Try NPPES NPI Registry & Healthcare Provider Lookup API

Call a verified route without paying first. The server should answer HTTP 402 Payment Required with the price, the USDC asset, the network and the wallet to pay. An x402 client pays that amount on Base and retries with the payment header.

curl -i "https://autoscrape-api-seven.vercel.app/x402/v1/npi-registry"

About this API

NPPES NPI Registry & Healthcare Provider Lookup API is listed in the Data category with pricing at $0.01 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-08-06. View receipt on Basescan.

Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.

This API exposes 2 endpoints. Only the verified route has been tested by PayAPI Market. Other routes are unverified.

Add this badge to your README

Paste this on your site. The link points at this listing. Listing is free and providers keep 100%.

Markdown

[![Settlement-verified on PayAPI Market](https://payapi.market/badge/nppes-npi-registry-healthcare-provider-lookup-api.svg)](https://payapi.market/api/nppes-npi-registry-healthcare-provider-lookup-api)

HTML

<a href="https://payapi.market/api/nppes-npi-registry-healthcare-provider-lookup-api"><img src="https://payapi.market/badge/nppes-npi-registry-healthcare-provider-lookup-api.svg" alt="Settlement-verified on PayAPI Market" height="20"></a>

What this badge means

Questions about this API

What does NPPES NPI Registry & Healthcare Provider Lookup API do?

Search the official public NPPES NPI Registry by exact NPI, provider or organization name, taxonomy, and location for provider onboarding, directory enrichment, and credentialing preflight. Deterministic test: npi=1881018208&maxResults=1 returns Mayo Clinic. NPI assignment and status A are administrative registry evidence—not identity, licensure, good standing, credentialing, sanctions clearance, Medicare or Medicaid enrollment, billing or ordering authority, current practice, or employment. MCP tool: search_npi_registry. It is provided by AutoScrape.

How much does NPPES NPI Registry & Healthcare Provider Lookup API cost?

NPPES NPI Registry & Healthcare Provider Lookup API is priced at $0.01 USDC per request, paid per call with no subscription. Verified with a $0.01 test payment on 6 Aug 2026. The exact amount for each call is in the HTTP 402 response before any money moves.

Do I need an API key or account to use NPPES NPI Registry & Healthcare Provider Lookup API?

No. NPPES NPI Registry & Healthcare Provider Lookup API uses the x402 protocol, so an agent pays per request in USDC on Base and gets the response, with no API key, account or signup.

Has NPPES NPI Registry & Healthcare Provider Lookup API been verified?

Yes, 1 route of its 2 endpoints. PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC settlement on-chain, most recently on 2026-08-06. Routes that were not paid for are unverified.

How does an AI agent find NPPES NPI Registry & Healthcare Provider Lookup API?

Through the free PayAPI Market MCP server at https://payapi.market/mcp, using search_apis or get_api, or over plain HTTP at https://payapi.market/agent/search. Discovery is free; the agent pays the provider directly on the listing's own 402.

More Data APIs · Browse the marketplace · List your own API

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