Free Public APIs
A collection of 633 Free Public APIs for Students and Developers.
Tested every single day.
sponsored by
Favorites
General
Metrics
Do Something
Categories
- đĒ AIđĻĻ Animalsđ¨ Artđģ Development𤥠Entertainmentđ Environmentđ° Financeđ Food & Drinkđšī¸ Gamingđ Geodatađ HealthđŖī¸ Languageđ¤ Musicđ Natuređī¸ Public Dataâī¸ Reverse EngineeredđŦ Scienceđī¸ SpiritualâŊ Sportđ¨đ Switzerlandđ Transportationâī¸ Travelđ¤ī¸ Weatherđŧ Work
FHGR
đSignalWire API
The SignalWire API provides a platform for developers to integrate real-time communications features directly into their applications, such as voice, video, and messaging services. It allows seamless interaction with other systems through robust programmable interfaces.
90 API Health
đĻCatchr HTTP API
The Catchr API allows users to create a temporary storage bin to capture HTTP requests sent to it without the need for signup. It provides endpoints to send requests, read captured data as JSON, and manage the created bins. Ideal for testing webhooks and automated processes.
90 API Health
đ2026 Tax Figures API
This API provides access to the 2026 US retirement and tax figures, including contribution limits for various retirement accounts, phase-outs, federal tax brackets, social security figures, and Medicare premiums. Each piece of data is sourced from official IRS and government publications and available in a free JSON format.
95 API Health
đMydentify Public API
The Mydentify Public API allows users to access product directories and weekly leaderboard data. It enables the creation of product listings and supports requests without an API key, making it user-friendly for developers.
95 API Health
đļAcousticBrainz API
The AcousticBrainz API allows users to access detailed music analysis data, including low-level and high-level features extracted from audio recordings. It enables users to obtain musical characteristics, such as rhythm, tonal information, and mood descriptors, useful for music research and applications.
85 API Health
đYotaWarp API
The YotaWarp API generates real WireGuard configurations for Cloudflare WARP, including options for bypassing DPI. It allows users to customize their configurations by specifying DNS servers, MTU, and Persistent Keepalive settings.
80 API Health
đInkspan Document API
Inkspan is an API designed for developers and AI agents to generate, transform, and extract structured data from PDFs and documents. With multiple endpoints, it enables easy PDF creation, manipulation, and data extraction, allowing seamless integration into applications.
95 API Health
đŊī¸DietlyAPI Integration
The DietlyAPI provides access to a variety of food-related data, allowing you to search for food items, retrieve detailed information by barcode, and explore popular food categories. It also includes authentication and rate limiting to ensure secure and efficient use of the API.
85 API Health
đ§ŦSeqBench MCP API
The SeqBench MCP Server & API provides a Model Context Protocol server and a JSON REST API that exposes a variety of DNA, RNA, and protein analysis tools for AI agents and scripts. Users can batch process data and chain multiple tools in workflows directly against a FASTA file.
95 API Health
đ°We > Ultrarich API
The We > Ultrarich API provides interactive references to understand extreme wealth by expressing it through daily spending, physical size, purchasing power, and compound interest. It allows users to grasp the scale of wealth inequality and make comparisons using a variety of metrics. The API is free to use and does not require authentication, making it accessible for public consumption.
95 API Health
đCollege 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
đPricing 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
đPricing 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.
82 API Health
đĄī¸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
đ§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.
77 API Health
đ§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
đ
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
đKiprio API Suite
Kiprio provides a collection of 27 focused HTTP APIs designed for developers, covering various functionalities such as NLP, DNS lookups, email validation, and more. Each API comes with a free tier, allows easy access via a single key, and is designed for quick implementation and integration.
95 API Health