Best API Directory Products in 2024

API marketplace for finding and connecting to the world's top APIs.

Key RapidAPI features:

Wide Variety of APIs Unified Billing Ease of Integration Testing Environment

Monitor all your cloud services with our status page aggregator. IT teams choose IsDown to monitor all their vendors and get alerts whenever an outage occurs. Integration with Datadog, PagerDuty, Slack, Microsoft Teams, and a lot more.

Key IsDown.app features:

Status Dashboard Multiple Profiles for same account Slack App Zapier Integration

Try for free paid Free Trial $37.0 / Monthly (Pro)

Prompt API is a curated API marketplace with high scalability and security for developers.

Key Prompt API features:

Ease of Use Wide Variety of APIs Scalability Cost Efficiency

One API Key, countless APIs. Unlock limitless possibilities.

freemium

Servernope helps developers around the world to unleash their creativity by making it simple to create, host, and sell cloud functions to other developers and companies.

Nubentos: The API Marketplace For Health. We select the best Healthcare APIs and put them in the hands of Healthcare software manufacturers, integrators and startups for Healthcare.

Launch your live video streaming app in days.

Key Liveapi features:

Live Streaming API Video API Video Encoding API Akamai CDN

freemium $12.0 / Monthly (200 encoding mins, 25,000 delivery mins, 3,000 hosting mins)

Genius is the world’s biggest collection of song lyrics and musical knowledge.

Key Genius features:

Comprehensive Lyrics Database Annotations and Explanations Community Engagement Artist Involvement

500+ hand-picked tools & resources for web designers & developers.

Realtime application framework (Node.JS server).

Key Socket.io features:

Real-time Communication Cross-browser Compatibility Fallback Support Event-driven Architecture

Open Source

Intelligent and complete API platform.

Key Apigee features:

Robust API Management Security Features Scalability Analytics and Monitoring

API marketplace and ready to run app backends for your mobile app and website.

Key APILayer features:

Wide Range of APIs Ease of Integration Scalability Reliable Performance

Open Source freemium

API Integration Solution for Developers: 10x Faster • Less Maintenance • No Vendor-Lock-In. Use the same clean interface across multiple providers.

Key CloudRail features:

Ease of Integration Cross-Platform Support Cloud Independence Comprehensive Documentation

Build an API on top of any website.

Key WrapAPI features:

Ease of Use No Coding Required Customization Rapid Prototyping