API Directory
Browse the open API ecosystem
One catalog. 982 free, public, and developer-ready APIs.
982
APIs
103
Providers
17,078
Endpoints
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Hand-picked starting points
- Generous free tiers that don't expireAPIs whose free plan is actually usable in production, not a 7-day trial.8 APIs
- Build payments end-to-endAuthorize, capture, settle, refund — and detect fraud along the way.11 APIs
- AI APIs every product touchesThe text, vision, and embedding APIs that show up in most modern apps.12 APIs
- Geocoding, routing, tilesTurn addresses into coordinates and coordinates into directions.9 APIs
- Sign-in, MFA, KYCThe identity primitives that gate most B2B and fintech surfaces.6 APIs
- Ship a side project this weekendHigh-quality APIs you can ship against without a billing call.8 APIs
Providers
Most prolific providers
- Microsoft AzureMicrosoft Azure is the cloud arm of Microsoft, offering compute, storage, databases, AI, and enterprise services.653 APIs
- GoogleGoogle offers a wide range of cloud and consumer APIs covering search, ads, workspace productivity, Google Cloud Platform, and AI.281 APIs
- Amazon Web ServicesAmazon Web Services (AWS) is the cloud computing arm of Amazon, offering 200+ services covering compute, storage, databases, AI, networking, security, and more.271 APIs
- Apisetu Gov In181 APIs
- Twilio44 APIs
- Sportsdata35 APIs
- Vtex Local33 APIs
- Amadeus31 APIs
Popular
What people are using most
- AniListAnime discovery & trackingAnime
- 4chanSimple image-based bulletin board dedicated to a variety of topicsSocial
- Access AnalyzerAWS IAM Access Analyzer API analyzes IAM resource policies for over-privileged access or external access — proactively surfaces security risks.Cloud infrastructure
- Alexa For BusinessAlexa for Business helps you use Alexa in your organization.Cloud infrastructure
- Amazon API GatewayAmazon API Gateway helps developers deliver robust, secure, and scalable mobile and web application back ends.Cloud infrastructure
- Amazon AppConfigUse AppConfig, a capability of Amazon Web Services Systems Manager, to create, manage, and quickly deploy application configurations.Cloud infrastructure
- Amazon AppflowWelcome to the Amazon AppFlow API reference.Cloud infrastructure
- Amazon AppIntegrations ServiceThe Amazon AppIntegrations service enables you to configure and reuse connections to external applications.Cloud infrastructure