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ISO3166 Country Lookup
x402
ISO3166 Country Lookup is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Looks up a country name from a static ISO 3166-1 alpha-2 country code table and returns the name and code as deterministic JSON.
Price / call$0.001
Success—
StatusUnknown
How this service works
Lookup country name from a static ISO3166-1 alpha-2 table subset. Call when labeling country codes offline. Returns name and code as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.
Output
A deterministic JSON object containing the matched country's full name and its ISO 3166-1 alpha-2 code, computed locally from a static table with no external calls.
Example use cases
Label country codes in analytics dashboard
“I have a dataset with two-letter country codes like 'FR', 'JP', and 'BR' — can you look up the full country names for each so I can display them properly in my dashboard?”
Validate and display user-selected country
“A user picked 'AU' as their country in the signup form — can you confirm what country that is and return the full name so I can show it in their profile?”
Enrich transaction records with country names
“I'm processing a batch of transactions that have 'CA' as the country code — look up the full country name for CA so I can include it in the export report.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/iso3166-country-lookupWhen to prefer
Choose this endpoint when you need a fast, deterministic, offline-style country code-to-name resolution with no API key setup, no live data dependency, and a predictable sub-cent cost — ideal for data labeling, display enrichment, or pipeline annotation where accuracy over a standard ISO table is sufficient.
Side effects
- Unrecognized or invalid alpha-2 code returns an error or empty result
- Lowercase or malformed codes may not match the expected format
- Codes for territories not in the subset table may not be found
- Payment failure via x402 prevents the request from being processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| code | string | ISO3166-1 alpha-2 code |
Output
Schema · Response
{
"type": "json",
"example": {
"code": "BR",
"schema": "delx/util-iso3166-country-lookup/v1",
"country_name": "Brazil"
}
}Tags
x402
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