get
https://api.balampay.com/sandbox/v1/countries
Retrieve the list of supported countries and their subdivisions (states/provinces) for user address validation.
Use this endpoint to:
- Get the list of countries available for user addresses
- Get subdivisions (states/provinces) for each country
- Validate address fields when creating or updating users
Authentication: Both x-api-key header and Authorization: Bearer <token> header are required.