Browse 500+ public APIs across 10 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: March 2026
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The Public API Directory is a curated catalog of 500+ 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 10 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 500+ public APIs with search, filtering, and detailed information.
Complete documentation for the akousa.net REST API with 77 endpoints across 16 groups. Integrate tools, games, price 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 522 free online tools. Learn about developer tools, text processors, file converters, and data generators — all running securely in your browser with zero signup, zero uploads, and unlimited usage.
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.
Akousa