Hand-picked lists
7 collections,
ready to build with.
Curated groupings of the atlas's APIs, built around what you're trying to do.
Nº 01↗
No key required
APIs you can call right now — no signup, no key, no waiting.
540 APIsNº 02↗CORS-ready browser APIs
Secure and CORS-enabled — safe to call straight from client-side JavaScript.
896 APIsNº 03↗Build a weather app
Forecasts, historical data, and alerts for your next weather project.
31 APIsNº 04↗Government open data
Public records, civic data, and official statistics from governments worldwide.
90 APIsNº 05↗Free-tier machine learning
Machine learning APIs you can start using for free.
20 APIsNº 06↗Crypto market data
Prices, market caps, and trading data for the cryptocurrency world.
53 APIsNº 07↗Worth knowing
A hand-picked spread of the atlas's most recognizable names.
12 APIs