Browse 750+ public APIs across 12 categories including finance, AI, cloud, communication, social media, data, geolocation, media, developer tools, and e-commerce. Filter by auth type, pricing, and CORS support.
Last updated: July 29, 2026
Explore the catalog of 750+ public APIs grouped into clear categories: finance, AI & machine learning, cloud, communication, social, data, geolocation, media, developer tools, e-commerce, health, and IoT. Open any category to see every API it contains.
Narrow results by authentication type (none, API key, OAuth 2.0, Bearer, Basic), pricing model (free, freemium, paid), CORS support, and status. Pick several APIs to compare their capabilities side by side.
Open an API's detail page for its authentication requirements, pricing, CORS indicator, and a direct link to the official documentation, so you have everything you need to start integrating it into your project.
The Public API Directory is a curated catalog of 750+ public APIs from leading providers across the tech industry. Each listing includes authentication requirements, pricing models, CORS support indicators, and direct links to official documentation.
Whether you are building a new application, integrating third-party services, or exploring what APIs are available for your use case, the directory helps you quickly discover and compare APIs across 12 functional categories.
Search & Filter
Instantly search APIs by name or keyword, and filter by category, authentication type, pricing model, or CORS support.
Auth & Pricing Info
Every API listing shows its required authentication method (none, API key, OAuth 2.0, Bearer, Basic) and pricing model (free, freemium, paid).
CORS Indicators
Quickly identify which APIs support Cross-Origin Resource Sharing for direct browser requests without a backend proxy.
Direct Documentation Links
Each API entry links directly to the provider's official documentation and base URL, so you can start integrating immediately.
Explore the full catalog of 750+ public APIs with search, filtering, and detailed information.
Complete documentation for the akousa.net REST API with 81 endpoints across 17 groups. Integrate tools, games, real-time data, news, website analysis, and service status into your applications with a well-documented JSON API and OpenAPI 3.1 spec.
Complete guide to using 559 free online tools. Learn about developer tools, text processors, file converters, and data generators with zero signup for most everyday tasks and practical export options.
Guide for embedding akousa.net tools on external websites. Add powerful, free tool widgets to your blog, documentation, or web app with a simple iframe — fully customizable with language and theme options.