postal?country=US&postalCode=90210

Resolve a postal/ZIP code to its place name(s), administrative divisions, and coordinates.

Resolve a postal/ZIP code to its place name(s), administrative divisions, and coordinates. Pass `postalCode` and a 2-letter `country` (default US). Returns each matching locality: place, admin1 (state/province name + code), admin2 (county/district), and lat/lon. International — covers major markets (US, GB, CA, DE, FR, AU, NL, ES, IT, CH, SE, MX). Use it to normalize and enrich addresses, derive the state/county for a ZIP, or geolocate a postal code in an ETL pipeline.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.0025 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x2b6d4988…51fc32c5

URL

https://2s.io/api/geo/postal?country=US&postalCode=90210

Seen

first 14 days ago · last 15 hr ago

25 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.606 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.394: 0.194 uncertain ? + 0.200 short ? · 0.044 to C

How the composite of 0.606 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
liveness it answered at all	0.60	1.00	0.677		0.406	0	−0.194
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.606	gap to 1.000 = 0.394 · 0.200 short · 0.194 uncertain	0.606	−0.200	−0.194

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.000   latency p95    
+ 0.600 × 0.677   liveness       
+ 0.200 × 1.000   price stability
= 0.606           → UNRATED: 19 of 30 paid calls      weights 2026.09.6 · 19 samples · seed cap_01M2Z146Y9HQB7FYS7KRQK0D4D|2026-08-31T10:26:37.928Z|2026.09.6

Verify it yourselfnpx teppi-check https://2s.io/api/geo/postal?country=US&postalCode=90210curl -s https://api.teppi.xyz/v1/trust/cap_01M2Z146Y9HQB7FYS7KRQK0D4D