https://the-stall.intuitek.ai/cap/npi-lookupGET /cap/npi-lookup · x402 API by the-stall
US NPI registry lookup — find any licensed US healthcare provider or organization by NPI number, name, state, or specialty. Returns NPI, entity type, name, credentials, specialty/taxonomy, license states, practice address, and active status. 7M+ records from CMS. Use for provider credentialing, healthcare due diligence, billing verification, or AML/KYB screening on medical payments.
What does this x402 API do?
https://the-stall.intuitek.ai/cap/npi-lookup. This is an x402-gated GET API resource from the-stall. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-07-21. No normalized USD price is recorded; the listing names Base. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- Base
- Latest evidence
- TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-07-21
- Resource ID
- 68e878afe868cb012bf4e14d
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://the-stall.intuitek.ai/cap/npi-lookup", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Live 402 quote confirmed
GET returned a protocol-valid 402 quote (402). No payment was made.
- Origin reachable
HEAD https://the-stall.intuitek.ai/ returned 200.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through bazaar.
- Registry record checked
Registry health: healthy.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.