A directory of free and public apis

Get and set activities, health data and more

Finnish transport API. Digitransit Platform is an open source journey planning solution that combines several open source components into a modern, highly available route planning service. Route planning algorithms and APIs are provided by Open Trip Planner (OTP). OTP is a great solution for general route planning but in order to provide top-notch journey planning other components such as Mobile friendly user interface, Map tile serving, Geocoding, and various data conversion tools are needed. Digitransit platform provides these tools.

API for calculating and comparing metrics of different websites using Page Rank algorithm

Share anime and manga experiences, get recommendations and see what friends are watching or reading.

Natural language processing and text analysis. The most powerful and cost-effective NLP AI APIs, continuously updated. The most powerful and cost-effective NLP AI APIs, continuously updated. Automatically rephrase, or paraphrase an input sentence into alternate, gramatically correct text that preserves the original meaning. Automatically classify the sentiment of input text into Positive, Negative, or Neutral and a corresponding sentiment strength score. Identify the part of speech of words in a sentence. Pull out all the verbs, nouns, proper nouns, etc. from a sentence. Identify the true meaning. Fully parse a sentence into its constituent structure. Perform analytics over unstructured text to identify sentiment, key words and phrases, and much more. Identify the key entities that are referenced in unstructured text. Automatically detect the language of a text string across the world's 14 most popular languages.

United State Government Open Data

Educational content about the US Health Insurance Marketplace. People can use the API to embed content from HealthCare.gov. As official content gets updated on HealthCare.gov, the new content will update automatically and appear on websites using the HealthCare.gov API.

API for Samsung SmartThings Smart Home Hub products (ZigBee, Z-Wave, IP). The SmartThings platform has the largest coverage of competitive IoT devices on the market, including Samsung devices and appliances. It's easy to integrate existing products with our ecosystem, using developer features such as SmartThings Schema and open APIs.

Global historical and weather forecast data

Images from Unsplash. Get a specific image by ID, or generate a static random image by forwarding a seed in the url. It makes your image grayscale, or blurs it a little, or you can go pro. And use advanced features like avoiding cache, use a keyword random in this api. Also lets you lists entire images with their url so that you can produce a masonry effect on your website.

Data from Personal Weather Stations called senseBoxes

Bitfinex is a full-featured spot trading platform for major digital assets & cryptocurrencies, including Bitcoin, Ethereum, EOS, Litecoin, Ripple, NEO, Monero and many more.

The industry’s first hacker API that helps increase productivity towards creative bug bounty hunting

Online Lua 5.1 Decompiler

API to make realtime applications with variety of hardware devices including Arduino, RPi, Kinoma, Atmel, Samsung Smart TV WebOS, and more. PubNub Platform provides the out-of-the-box infrastructure, network, SDKs, and tools you need to build scalable realtime applications, leaving you free to focus on solving business problems. PubNub guarantees 99.999% reliability, and offers sub-100ms latency anywhere in the world.

Diablo III, Hearthstone, StarCraft II and World of Warcraft game data APIs

Computer Vision APIs for automatic image captioning, face recognition, NSFW classification. Use our advanced Deep Learning APIs to automatically identify and extract the text from an image. Examples include locating documents and receipts in photos, and performing OCR; locating and read license plates in photos, and more.

Hunter API makes it easy to find or verify professional email addresses.

You can access JSON-formatted information about Database objects such as Artists, Releases, and Labels. he Discogs API lets developers build their own Discogs-powered applications for the web, desktop, and mobile devices. We hope the API will connect and empower a community of music lovers around the world!

Meteorological data of the Basque Country

NLP based symptom checker and patient triage API for health diagnosis from text

NAVER Login, Share on NAVER, Social Plugins and more

Star Wars GraphQL API

Mux Data is a powerful analytics platform that provides valuable insights into how users engage with your video content. With just a few lines of code, you can easily track metrics like video views, playtime, and completion rates, giving you the data you need to optimize the quality of experience for your viewers. Mux Data is designed to be user-friendly and intuitive, with customizable dashboards that allow you to view and analyze your video data in real-time. Whether you're a content creator, marketer, or business owner, Mux Data is an essential tool for understanding how your video content is performing and making data-driven decisions to improve your video strategy. So why not give it a try and see how Mux Data can help you unlock the full potential of your video content?

Air Quality Index Data for over 1000 cities

Symbolic and Arithmetic Math Calculator

Street address info and validation

Simple API to retrieve the lyrics of a song

Friendly way of accessing various aurora hunting data: current space weather conditions, weather, skycams, satellite images, and archived information from the past 15 years.

Provides namedays for multiple countries

Valve provides these APIs so website developers can use data from Steam in new and interesting ways. They allow developers to query Steam for information that they can present on their own sites. At the moment the only APIs we offer provide item data for Team Fortress 2, but this list will grow over time.

Domains Data API for Developers

Shrtco.de is a simple and easy-to-use URL shortener tool that allows users to shorten long URLs into shorter ones. The tool is free to use and requires no account registration or login. Users can simply copy and paste the long URL into the tool, and it generates a short and unique URL that can be easily shared with others. Additionally, Shrtco.de offers a dashboard where users can manage and track their shortened URLs, including the number of clicks and the date and time of the clicks. Overall, Shrtco.de is a useful tool for anyone who wants to shorten long URLs for easier sharing and tracking.

Find the elected officials and electoral districts for any Canadian address or postal code, at all levels of government

The database of harry potter movies all characters, houses and spells. With a single /Get command you are able to fetch the characters, Hogwarts Houses and list of characters affiliated with the House. It also allows you to fetch all the spells performed in the Harry Potter season.

Get various patterns, palettes and images

Clockify's REST-based API can be used to push/pull data to/from it & integrate it with other systems

Bilingual Dictionary and Thesaurus Data

Interacting with Coinigy Accounts and Exchange Directly

Computer Vision. API lets you build amazing apps with the world's best image and video recognition API. Through this API developers can create automatic tagging, content moderation, visual search, classification, Face verification, aerial surveillance, predictive maintenance, demographic analysis.

Database of different types of Bra Sizes. That will show you the list of bras so you can navigate to each of them and from them you can navigate to the list of models for this brand under its models key. Do the same thing to see each model's detail and see its sizes collection to discover the list of sizes we know for the particular model.

Autogenerate images with template

CoinDesk's Bitcoin Price Index (BPI) in multiple currencies

Toronto (CA) City Open Data

Brazil Central Bank Open Data

Vimeo Developer API. Vimeo's API supports flexible, high-quality video integration with your custom apps. Enjoy a full-featured upload API: privacy controls, flexible storage, and automatic transcoding to host videos in the highest quality. Optimize your experience with a fully customizable player (with SDKs), and third-party links for web, mobile, or TV. Manage content, track metadata, and optimize videos with the powerful features included in your Vimeo membership. Join the most passionate video community on the planet, and integrate features that connect millions of creators around the world.

Original API empowers mobile, desktop and browser Apps to create, sell and transfer NFTs to millions of users securely and without any frictions.

With Typeform APIs and developer tools, you can do everything from the basics, like tweak your themes and add new images to your account, to the most powerful features Typeform offers, like retrieve responses on demand and customize forms with Hidden Fields. And you can do it all without using the Typeform builder or even logging into Typeform.com!

Enhance your platform with over 260 million royalty-free images, video clips, music tracks, and AI capabilities with the API trusted by leading companies.

Stations and predicted arrivals for MBTA

Forward and reverse geocoding, address autocomplete

The fastest continuous integration and continuous delivery platform

Instant access to video game information you need without the hassle

CoinDesk provides a simple API to make its Bitcoin Price Index (BPI) data programmatically available to others.

Free IP Geolocation and IP Address Lookup Location API.

Job aggregator. The API allows for a constant stream of up-todate job postings and provides the best matching based on any job seeker's search query. With the API, you use the Jobs2Careers enhanced search engine which has years of optimizations already built in. The API takes the guess work out of everything.

Manga Database and Community

Access and search Interpol Red Notices

Stocks and Market Data on IEX Cloud

The Goodreads API allows developers access to Goodreads data in order to help websites or applications that deal with books be more personalised, social, and engaging. You can also connect users' Goodreads accounts to see their book shelves, ratings, reviews and friends. It allows you to build an entire book networking website around it.