Reverse-geocode a lat/lng coordinate to its enclosing US Census block (state/county/tract/block FIPS codes)GET /geocode/reverse · x402 API by x402-geocoder-production
Reverse-geocode a lat/lng coordinate to its enclosing US Census block (state/county/tract/block FIPS codes). Query params: lat (required, decimal degrees), lng (required, decimal degrees). US-only coverage.
What does this x402 API do?
Reverse-geocode a lat/lng coordinate to its enclosing US Census block (state/county/tract/block FIPS codes). This is an x402-gated GET API resource from x402-geocoder-production. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-07-21. The listing records $0.001 USD-denominated per request on Base. No settled paid call has been verified.
- Published price
- $0.001 USD-denominated per request
- Networks
- Base
- Latest evidence
- TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-07-21
- Resource ID
- d8c6e9b1186e87e1f8a27838
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://x402-geocoder-production.up.railway.app/geocode/reverse", {
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://x402-geocoder-production.up.railway.app/ 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 $0.001 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.