Open Weather Map Api Key |top| Jun 2026

Check your inbox for a confirmation link. Your key won't work until your email is verified.

– Works with any language; just GET https://api.openweathermap.org/data/2.5/weather?q=London&appid=YOUR_KEY . open weather map api key

OpenWeatherMap offers several tiers depending on your project's scale. The Free Tier Perfect for students and hobbyists. Plenty for small apps. 1 million calls/month: Resets every 30 days. Check your inbox for a confirmation link

– No long approval process. Register, verify email, and your API key is active in minutes. examples sometimes outdated

– Exceed 60 calls/min on free tier → 429 error. No queueing, just failure.

– Different API versions (2.5 vs 3.0), examples sometimes outdated, and key must be passed as a query param (not header) – less secure.