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APIs
Third-party APIs worth building on top of.
Algolia
Hosted search-as-you-type for your app's data. Skip building your own indexing/ranking pipeline and just push records to their index.
Mapbox
Maps, geocoding, and routing APIs when you need more control (and often lower cost at scale) than embedding Google Maps.
Rapid
A marketplace of thousands of third-party APIs behind one auth key and billing relationship, formerly RapidAPI. Handy for finding a niche data API without negotiating your own contract.
Twilio
Send SMS, make calls, or verify phone numbers without touching a telecom carrier directly. The API you reach for the moment "notify the user by text" shows up in a spec.