10 Free APIs You Probably Did Not Know About (No Key Required)

Here are 10 APIs I use that are free and require no API key: 1. CoinGecko — Crypto Data api.coingecko.com/api/v3/coins/markets?vs_currency=usd 10,000+ coins with prices, market caps, volumes. 2. Open-Meteo — Weather api.open-meteo.com/v1/forecast 16-day forecasts for any location worldwide. 3. ip-api.com — IP Geolocation ip-api.com/json/8.8.8.8 Country, city, ISP, ASN, VPN detection. 4. Frankfurter — Exchange Rates api.frankfurter.app/latest?from=USD ECB data, 30+ currencies. 5. REST Countries restcountries.com/v3.1/name/japan Population, languages, currencies, flags. 6. Open Library — Books openlibrary.org/search.json?q=python Search by title, ISBN, author, subject. 7. TheMealDB — Recipes themealdb.com/api/json/v1/1/search.php?s=pasta Recipes with ingredients and instructions. 8. Quotable — Quotes api.quotable.io/quotes?tags=technology Famous quotes by topic and author. 9. RDAP — Domain WHOIS ICANN standard replacement for WHOIS. Registration dates, registrar, nameservers. 10. Google