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French Postal Code to Communes Lookup
x402
French Postal Code to Communes Lookup is a paid API for AI agents from api.x-402.online, paid per call via x402, $0.005/call, status down (last checked 2026-09-15).
Maps a French postal code (CP) to the list of communes it covers, returning each commune's name and INSEE code
Price / call$0.005
Success—
StatusDown
Output
A list of communes associated with the given French postal code, each entry containing the commune's human-readable name and its INSEE administrative code (code officiel géographique).
Example use cases
Example prompt
“What communes are associated with the French postal code 13001? I need both the commune names and their INSEE codes.”
Technical details
Endpoint
POSThttps://api.x-402.online/v1/fr/codes-postauxWhen to prefer
Use this endpoint when you need to resolve a French postal code to its constituent communes and INSEE codes — ideal for address validation, geographic enrichment, KYB/KYC dossiers, or any workflow that needs to map a CP to official French administrative identifiers. Prefer over general geocoding APIs when INSEE codes are specifically required.
Side effects
- Invalid or non-existent postal code returns empty list or 404
- Missing ?cp= query parameter returns 400 or error
- Non-French postal codes (e.g. UK or Belgian) return no results
- Payment not provided or insufficient returns 402 Payment Required
Tags
x402
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