Back to All APIs
🌍

REST Countries

Data & Reference

Country data — population, currencies, languages & more

Get detailed information about every country — population, area, currencies, languages, timezones, borders, and flags. Completely free, no API key needed.

Details

Auth Type
None (Public API)
Rate Limit
Unlimited
Pricing
Free
Full Docs

✓ This is a public API - No credentials needed! Try it right now in the playground.

Getting Started

1

Try It Instantly

Click "Try It" above to test the API in the playground

2

Add to Your Agent

Click "Add to Agent" to get your API key and integrate

Common Use Cases

Look up country details
Get currency and language info
Build location-aware features
Validate country codes
Display country flags

💻 Code Examples

Get started quickly with these code examples in your favorite language

curl -X GET \
  'https://callio.app/api/proxy/restcountries/forward?target=https%3A%2F%2Frestcountries.com%2Fendpoint' \
  -H 'Authorization: Bearer YOUR_CALLIO_KEY' \
  -H 'Content-Type: application/json'

💡 Tip: Replace YOUR_CALLIO_KEY with your actual Callio API key from the dashboard.

Ready to integrate REST Countries?

Test endpoints live or generate your API key and start building in minutes

Browse More APIs