A directory of free and public apis

Cooper Hewitt, Smithsonian Design Museum Collections provides a REST-ish style application programming interface (API) for developers to use in their products and services

Get millions of financial and economic datasets from hundreds of publishers via a single free API.

West Australia Open Data

Bitcoin API Service focusing on the transaction fee

CurrencyFreaks API provides currency conversion, current and historical forex exchange rate, currency fluctuation, and IP to currency data through REST API in json and xml formats.

Open air quality data. This API lets you get data location wise; country and cities. Provides the last updated values, unit of measurement of air quality along with averaging period.

Content validator against profanity & obscenity

API for Drivers, Karts, Gliders and Courses

File Sharing and Storage for Free with 1TB Space

Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage

Pre-trained computer vision models

The Wunderlist API provides REST-based storage and synchronization of a user’s lists across multiple platforms and devices.

Bitcoin Payment, Wallet & Transaction Data

Malaysia Central Bank Open Data

Bookmarking service

Say goodbye to guesswork when planning your day. SunriseSunset.io provides you with accurate sunrise and sunset times.

Generate random advice slips. The api provides you with random advice slip. You can search by ID or a searching advice. The api provides objects in Slip, Search and Message. It also includes RSS daily advice feed.

Anime Facts (over 100+)

SonarQube REST APIs to detect bugs, code smells & security vulnerabilities

Unlimited free IP Address API with useful information

Data on international sanctions, crime and politically exposed persons

User information comes in all shapes and sizes. As an Evernote partner, you have the opportunity to give your users a unique view of their own memories, regardless of format. Because you're building with Evernote, you're building on a rock-solid platform designed to store all types of user data from images and audio to web pages and PDFs — and it's all available through our API.

The world's catalog of ideas. Help millions of people discover, save and do things they love. The Pinterest Developers Platform is a suite of tools that help you reach Pinners in new ways. Right now, there are 3 ways to use the platform to increase your reach: through the API, add-ons and Rich Pins.

Crowdsourced lyrics and music knowledge. You can use your Genius App account to get a client_id and a client_secret to authenticate your app. API allows you to search a song by title, artists, pages, search and referents.

Onchain GraphQL APIs & DEX APIs

Community-driven taco database

Job search engine

Integrate with Airtable

Create attractive blogs easily, to share

The World Geocoding Service finds addresses and places from a single endpoint.

API to create payment links

Final Space API

Item price and availability at Walmart. Product Lookup API gives access to item price and availability in real-time. Item id needs to be specified for doing a lookup. Response type returned is full response.

Free and Open access to global development data provided by world bank. You can fetch articles, statistics, trade emasures, covid-19 research analsysis. Also lets you query data bank analysis / visualization tools that contains collections of time series on data on a variety of topics.

Push notifications for Android & iOS

Simple API to retrieve the lyrics of a song. You can write the name of the artist and the title of the singer to get JSON response having lyrics object. Easily integrate to lift up the taste of your app.

NHL historical data and statistics

Bob's Burgers API

Broadest collection of public data. Retrieve detailed information about a business using its name, location or an associated person. Or you can view screen alerts to make sure named individuals and companies are not sanctioned entities.

Totally free URL Shortner API! No limits! Use it anywhere! With this free Link Shortener you can make Links shorter and easier to remember. Just enter a Link into the form and click on the above Button to generate a short Link. When visiting the short-Link, the short-Link will immediately redirect you to the long Link.

JSON API for hand curated Chuck Norris jokes. The Chuck Norris app existed even before slack existed. Start retrieving random Chuck Norris facts by just typing /chuck into your slack console. Additionally you can type /chuck {category_name} to get a random joke from a given category. Type /chuck -cat to show a list of all available categories. You can also try the free text search by sending /chuck ? {search_term}. Fool your coworkers by personalizing your Chuck Facts with /chuck @{user_name}.

The Zip Code API provides United States zip code data with a comprehensive data model in JSON format. Using REST design, this API can help you build zip validations, city searches, distance calculations, radius searches and many other key functions for your applications.

Status of all DigitalOcean services

URL shortener service

IP geolocation with ChatOps integration

Predicted and actual air quality components for The Netherlands (RIVM)

Render websites and HTML as images. Block cookie banners and ads. The API uses the latest Google Chrome for rendering and Google Cloud Platform for performance and scalability.

List of all "The Lord of the Rings" books out there. You can request a specific book. Sort / filter chapters inside the book. List all the movies including the trilogies and characters. You can request one specific character. And list all the book chapters.

Game Streaming API. Interactive experiences that work as a stream overlay or as a panel. As simple as writing a web app. Create interactive experiences within Twitch chat, which can be used to take requests, moderate content and more. Use Twitch data and Identity tools to enhance your game or connect with your app.

API to lock/unlock a car and get data like odometer reading and location. Works on most new cars. Smartcar is the only car API built for developers, by developers. We allow your application to communicate with vehicles easily and securely. The following pages provide guides, documentation, SDKs, and simulated vehicles to jump-start your developer journey. Let’s get building!

Pass in any valid color and get conversion into any other format, the name of the color, etc

Pictures of cats from Tumblr

National Plan & Provider Enumeration System, info on healthcare providers registered in US. The API is a new, faster alternative to the downloadable NPPES data files. It allows systems to access NPPES public data in real-time, rather than through batched uploads. The API retrieves data from NPPES daily.

The Pingdom API is a way for you to automate your interaction with the Pingdom system. With the API, you can create your own scripts or applications with most of the functionality you can find inside the Pingdom control panel.

Free vector file converting API

Trace back the scene where an anime screenshots is taken from. It tells you which anime, which episode, and the exact moment this scene appears.

LoginRadius is built for the developer community to integrate robust Authentication and Single Sign-On with a single code. The API provides 5000 Monthly Active Users, per 1 web or mobile app. Provides Standard login option with 3 social login providers.

Scrapingdog handles millions of proxies, browsers and CAPTCHAs to provide you with HTML of any web page in a single API call. It also provides Web Scraper for Chrome & Firefox and a software for instant scraping demands.

Simple API that includes a common data for most of the applications. Like user info, some posts, comments, etc. This data is free to use for presentations, demos, learning tutorials. It is created especially for your education. Designed and deployed especially for your experiments API service ready to respond to your Client Application with close to real data.

Decentralized Open-Source Cloud Storage