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Postal/ZIP Code Lookup: City, State & Coordinates (60+ Countries)
x402
Postal/ZIP Code Lookup: City, State & Coordinates (60+ Countries) is a paid API for AI agents from twin.unykorn.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Resolves a postal or ZIP code to city name, state/region, and geographic coordinates for 60+ countries worldwide.
Price / call$0.001
Success—
StatusUnknown
How this service works
Postal/ZIP code lookup: city, state, coordinates (60+ countries) — Genesis402 / UnyKorn Operator Network
Output
Returns the city name, state or region, and geographic coordinates (latitude/longitude) associated with the given postal code and country. Covers 60+ countries worldwide.
Example use cases
Shipping address validation for e-commerce
“I have a customer order with ZIP code 94103 in the US — can you tell me what city and state that maps to so I can verify their shipping address?”
International postal code resolution
“What city and region does the postal code EC1A 1BB belong to in the UK, and what are its coordinates?”
Enriching user signup data with location
“A new user signed up with postal code 10001 and country code US — what city and state should I display on their profile?”
Technical details
Endpoint
POSThttps://twin.unykorn.org/geo/postal-code?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fast, low-cost postal/ZIP code to city/state/coordinates lookup across a broad range of countries (60+) and want pay-per-call pricing via x402 without API key management. Ideal for enriching address data, validating user input, or adding geographic context to records.
Side effects
- Invalid or non-existent postal code returns an error or empty result
- Unsupported country code returns an error
- Missing required postal_code parameter causes a validation error
- Malformed country ISO-2 code may return unexpected results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| params | object |
Tags
x402
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