Free Public APIs
A collection of 619 Free Public APIs for Students and Developers.
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🎓College ROI API
This API provides free, keyless access to valuable data regarding the return on investment (ROI) for U.S. colleges and various majors. It includes metrics like 30-year net present value (NPV) and lifetime ROI statistics, allowing users to make informed decisions regarding higher education.
95 API Health
📉Pricing Day API
This API provides data regarding the price changes of popular products in Russia, impacted by the ongoing conflict initiated by Putin against Ukraine. It allows users to track and visualize the growth in prices, demonstrating the economic effects of aggressive political actions.
95 API Health
📊Pricing API
A sourced REST API that provides verified SaaS and AI pricing data for over 490 tools. Each response includes a source link and reuse terms, with no API key required, fostering open access for non-commercial use.
24 API Health
🛡️IP Reputation API
The Netbait API provides an abuse score for any IPv4 address, indicating its maliciousness on a scale from 0 to 1. It allows public access without authentication, returning real-time threat assessments based on continuously updated data.
95 API Health
📧Email Verification API
This API validates email addresses through format checks, MX record lookup, SMTP probing, and catch-all detection. It is designed for AI agents to efficiently assess and filter out invalid email addresses before further processing, without the need for a user dashboard. The service is accessible via a straightforward JSON response, suitable for automated workflows.
70 API Health
📧Email Validation API
This API validates email addresses by checking their syntax, MX records, disposable status, role-based detection, and typo suggestions. It offers a free tier of 100 requests per day and a pro option with additional features, including live SMTP verification.
95 API Health
📅Business Day Calculator
This API provides business day calculations for a specified region, specifically England and Wales. Users can input a date range and receive the number of business days within that timeframe, helping with planning and scheduling.
95 API Health
😂Prank Show API
The Prank Show API provides a collection of fresh pranks daily along with a complete archive spanning ten years. It serves as a fun resource for users looking to brighten their mood with humorous content.
95 API Health
🔍WHOIS Domain Monitoring
This API provides automatic WHOIS monitoring for domains, alerting users via email when critical changes occur, such as expiry dates, registrar alterations, or nameserver modifications. Users can track up to two domains for free with no sign-up required, ensuring they never lose control of their domains.
95 API Health
⛽️Benzokolonka API
This API provides access to price statistics for different fuel types across various regions in Russia, helping users track price changes over time. It allows retrieval of a list of fuel stations and their respective prices, aiding in informed decision-making for consumers.
95 API Health
🕒Public Time API
This API provides the current timestamp in various formats, including text, JSON, and CSS custom properties. It supports different endpoints for specific use cases, such as returning UNIX timestamps or sending periodic updates via Server-Sent Events and WebSockets.
95 API Health
💱Foreign Exchange Rates
The exchangerate.dev API provides indicative foreign exchange rates for over 168 currency pairs, with live intraday updates for 16 currencies. It offers various endpoints for real-time currency conversion, historical rates, and detailed market information, making it ideal for developers needing accurate financial data.
95 API Health
⚙️Setup Gear Guide API
The Setup Gear Guide API provides a keyless interface for accessing a comprehensive catalog of products, including detailed specifications and compatibility checks. Users can generate build quotes, receive product recommendations, compare products, and check compatibility across various categories in a structured format.
85 API Health
🛒ListLoco API
The ListLoco API localizes e-commerce product listings into marketplace-compliant and glossary-consistent text, primarily for Amazon. It verifies each listing through a deterministic quality gate to ensure compliance and accuracy in translation, from English to German.
95 API Health
💼Remote Jobs API
Remote1stJobs provides a comprehensive JSON and RSS feed system for accessing fresh remote job listings in the UK, Europe, and EMEA. This API is ideal for newsletters, communities, AI agents, and job tools that require structured data of Europe-focused remote roles.
90 API Health
✈️Ignav Flight API
The Ignav API provides developers with access to flight prices and direct booking links. Users can search for one-way and round-trip fares across various routes and generate booking URLs for selected itineraries.
90 API Health
🗺️LatLng Geocoding API
The LatLng Geocoding API provides functionalities for converting addresses into geographic coordinates and vice versa. It also offers features for searching places nearby and retrieving map tiles for various applications.
87 API Health
🌍IP Geolocation API
Comprehensive IP address intelligence API providing geolocation, security analysis, and network information. Features include real-time IP geolocation, advanced threat detection, VPN detection, email validation, and risk scoring for fraud prevention.
95 API Health