What is FREE API HUB?

FREE API HUB is an open developer platform and public API directory providing over 50 free, public, and mock REST APIs with interactive sandboxes, mock data, and instant documentation.

Are all APIs listed on FREE API HUB free for developers?

Yes, every API listed on FREE API HUB provides free tiers, free developer credits, or completely open access without paid paywalls.

Can I use Student API and Todo API for frontend practice and tutorials?

Yes! Student API and Todo API are first-party hosted REST APIs specifically designed with full CRUD support (GET, POST, PUT, PATCH, DELETE) for React, Vue, Angular, mobile apps, and developer portfolios.

How do I test APIs without an API key?

Many APIs on FREE API HUB require No Auth. You can send immediate requests via cURL, Fetch API, Axios, or the built-in Live Sandbox directly from your browser.

Domain Category

Free Cybersecurity APIs

Security intelligence, vulnerability information, threat data, encryption utilities, and security tooling.

2 Available APIs ← View All Categories

Switch: AI & Machine Learning Authentication & Identity Books & Literature Calendar & Scheduling Communication Companies & Business Cryptocurrency & Blockchain Currency & Exchange Rates Cybersecurity Data & Datasets Developer Tools DNS & Domains E-commerce Education Email Environment Events & Places Files & Storage Finance & Banking Food & Recipes Games & Gaming Government & Open Data Health & Wellness Holidays & Dates Images & Media Internet & Network Jobs & Recruitment Language & Translation Local Places Location & Places Logistics & Shipping Maps & Geolocation Movies & TV Music & Audio News & RSS Notifications Payments & Billing Pets & Animals Photography Random & Fun Science & Research Social & Community Sports Student & Campus Text & Content Time & Timezones Transportation Travel & Tourism Video & Streaming Weather & Climate

Showing 2 APIs

URLhaus API /urlhaus

Open threat-intelligence data for malicious URLs and malware distribution.

FREE NO AUTH

4.8 View API

ipapi.is /ipapi-is

IP intelligence API with geolocation, ASN, hosting and proxy information.

FREE TIER NO AUTH FOR BASIC LOOKUP

4.8 View API