# REST Countries API

Country names, capitals, currencies, flags, and geographic reference data.

- Canonical guide: https://findpublicapis.com/apis/rest-countries/
- Category: Geography
- Authentication: API key
- Access: Free tier
- Documentation reviewed: 2026-09-16 (not live uptime testing)
- Official documentation: https://restcountries.com/docs/countries

## What you could build
Populate a country reference panel with capitals, currencies, and language information.

## Usage conditions
The current v5 API requires a key. Older unauthenticated v3.1 examples are deprecated. Check the provider’s current free-plan quota.

## Example endpoint
https://api.restcountries.com/countries/v5/names.common/Canada?pretty=1

Browser requests require provider CORS support. Confirm current access, pricing, and usage rights with the provider.