REST Countries API
The REST Countries API offers developers free, no-key-required access to detailed country information, suitable for various applications.
Developed by APIlayer
Reference for available routes, request structures, and live examples.
Get detailed country information by ISO 3166-1 2-letter or 3-letter country code
https://restcountries.com/alpha/{code}curl -X GET 'https://restcountries.com/alpha/{code}'{
"fields": "name,capital,currencies,languages,population"
}{
"name": {
"common": "Japan",
"official": "Japan"
},
"capital": [
"Tokyo"
],
"languages": {
"jpn": "Japanese"
},
"currencies": {
"JPY": {
"name": "Japanese yen",
"symbol": "¥"
}
},
"population": 125836021
}- Travel app country detailsOptimized Capability
- Geography quizzes and educational platformsOptimized Capability
- Currency convertersOptimized Capability
- Localization and translation supportOptimized Capability
- World statistics dashboardsOptimized Capability
- Flag and map image displayOptimized Capability
- Weather or news aggregation by countryOptimized Capability
- ✓ 100% free with no API key required
- ✓ Instant access—no signup process required
- ✓ Comprehensive and frequently updated country data
- ✓ Simple, developer-friendly REST endpoints
- ✓ Strong uptime and low latency
- ✗ No official SDKs provided
- ✗ No built-in request filtering by fields (all data returned by default)
- ✗ JSON only, no XML or CSV support
- ✗ Rate limiting applies for very high-volume usage
- ✗ No advanced search or analytics features
FAQs
API Specifications
v3.1Less than 5 minutes
2000 requests per hour (public limit)
Unlimited free usage with a public rate limit of 2000 requests per hour. No sign-up or credit card required.
Use Case: Best For
Developers needing quick, reliable global country data with no authentication or fees.
Not Recommended For
Enterprises needing SLAs, premium support, or commercial-grade data guarantees.
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