List supported countries
List every ISO 3166-1 alpha-2 country code for which a postal-code pattern is available.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 409 ms
- Price
- $0.002 per call
- Paying buyers, last 30 days
- 4 (directory's own records)
- Paid calls, last 30 days
- 4
- Category
- Unclassified
- Address
- https://postal.openverbs.com/v1/countries
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/9eab9fb88927.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).