GET /capital/{capital}

restcountries.com:rest-countries-api

Summary: Search countries by capital city
Operation ID: getCountryByCapital
Auth: none

Find a country by its capital city name. Searches for countries where the specified string matches (case-insensitive) the capital city. Works with partial matches. Useful for reverse lookups when you know a capital but not the country, or for quiz/trivia applications.

Original spec description

Get the country that has a specific capital city.

Usage Tips

- Partial matching works: "london" finds United Kingdom - Case-insensitive - Most capitals return a single country, but some names may match multiple territories - Works with spaces: "Washington, D.C." or "Mexico City"

Parameters (2)

capital (string, path, required)

Capital city name

fields (string, query, optional)

Comma-separated list of fields to include (max 10 fields)

Examples (4)

TitleTypeURLAction
Search by capital city openapi-spec https://restcountries.com/v3.1/capital/london
Search by capital city openapi-spec https://restcountries.com/v3.1/capital/Berlin
Get country by capital city openapi-spec https://restcountries.com/v3/capital/berlin
Search countries by capital city openapi-spec https://restcountries.com/v3.1/capital/paris

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:30:24.139407 200 342ms
2026-03-23 09:44:03.161575 200 386ms
2026-03-23 09:39:31.433685 200 315ms
2026-03-23 09:31:22.075888 200 306ms

Response Changes

WhenOldNew
2026-03-23 09:39:31.433685 398d64d2703b ba24fff20123
2026-03-23 09:44:03.161575 ba24fff20123 e380a04b810a
2026-03-23 10:30:24.139407 e380a04b810a ce04c6067285