APIRank is an online catalog for discovering and evaluating APIs across software categories. It is aimed at developers and product teams comparing API capabilities, documentation, and availability before integration.
💡 Pick it for a much larger API marketplace with built-in testing, subscriptions, and usage management.
RapidAPI is a platform that enables developers to find, connect to, and manage APIs. It provides a marketplace with thousands of APIs...
Free plan available, pricing varies based on API usage
💡 Pick it when API discovery must connect directly to testing, documentation, and team collaboration.
Postman is a collaboration platform for API development used by millions of developers.
Free with paid plans available
APIs.guru community
💡 Pick it for free, open-source API discovery based on machine-readable OpenAPI specifications.
APIs.guru is an open-source directory and machine-readable repository of public OpenAPI definitions. It helps developers discover public APIs and access standardized specifications...
Dylan Drover
💡 Pick it for a free community list of public APIs, especially for prototypes and experimental projects.
Public APIs is a community-maintained GitHub list of free and freemium public APIs organized by category. It is useful for developers prototyping...
💡 Pick it for API ecosystem research when you want a directory with more monitoring-oriented context.
API Tracker is a tool that helps developers monitor and track API usage, performance, and analytics.
Starting from $99/month
💡 Pick it for broad reference coverage and integration examples when researching established API providers.
ProgrammableWeb is a popular resource for APIs and mashups. It provides news, analysis, and a directory of APIs for developers.
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