This question runs in a pre-configured Salesforce environment - no personal connection required.
Fetch a country's capital city from the REST Countries API by searching for the country name and extracting the capital field from the response.
Examples:
Input: countryName = "France"
Output: "Paris"
Explanation: The API returns country data with the capital field containing "Paris"
Input: countryName = "Japan"
Output: "Tokyo"
Explanation: The API returns country data with the capital field containing "Tokyo"
Apex Code Editor
Welcome to Lightning Challenge!
How It Works
- • Write your solution in the code editor
- • This challenge runs without connecting your own org
- • Submit to check if your solution passes
- • Use hints if you get stuck
Contest Alert
🏆 #CodeEveryDay October 2026 (Oct 4–15)Sponsored by FLXBL
Contest runs October 4 - 15. Complete challenges to climb the leaderboard!
Prizes 1 & 2: Salesforce certification exam voucher — won by random drawing, where every point is a ticket. see all prizes
Only the 12 daily challenges shown during this contest count toward points. Earlier dailies don't carry over.