Petfinder’s free API provides access to data for hundreds of thousands of adoptable pets and the organizations that care for them. Petfinder is dedicated to helping pets find homes.

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An API to search jobs and related skills.

Data, tools, and lightweight standards to make a more open and interoperable 21st century workforce data ecosystem.

Inspects the given text and identifies the prevailing emotional opinion within the text, especially to determine a writer's attitude as positive, negative, or neutral.

Provides access to hiking trails, conditions, and a user's favorites on hikingproject.com.

An API that simulates card game actions.

An API to get data on alcohol & cocktails.

Provides an incident-based view of crime. It includes information about each offense, such as the time of day an incident occurred, the demographics of the offenders/victims, the known relationships between the offenders and victims, and many other details around how and where crime occurs.

Get a random quote in JSON format.

Urban Dictionary is the dictionary you write. This is the unofficial secret API.

Live currency and foreign exchange rates by specifying source and destination quotes and optionally amount to calculate. Support vast amount of quotes around the world.

Official API of the MBTA -- schedules, maps, and fare information for Greater Boston's public transportation system, including subway, commuter rail, bus routes, and boat lines.

Get information about countries via a RESTful API.

Translate content from one language to another.

Provides tools for developing integrations with Twitch.

Realtor API helps to query properties for sale, rent, sold, etc… as on official site.

Access movie and TV information similar to that of IMDB. Get Title, Year, Metascore Rating, IMDB rating, Release date, Runtime, Genre, Directors, Writers, Actors, Plot, Awards, Posters & tons of other data for each title.

Access over 365,000 recipes and 86,000 food products. Search for recipes using natural language queries, such as "gluten free brownies without sugar" or "low fat vegan cupcakes." Calculate the nutritional information for any recipe, analyze recipe costs, visualize ingredient lists, find recipes for what's in your fridge, find recipes based on special diets, nutritional requirements, or favorite ingredients, classify recipes into types and cuisines, convert ingredient amounts, or even compute an entire meal plan.

Yahoo Finance API helps to query for all information about finance summary, stocks, quotes, movers, etc… as on official website.

An api for Skyscanner which lets you search for flights.

Simple and fast and free weather API from OpenWeatherMap. Access to current weather data, hourly, 5- and 16-day forecasts. Historical weather data for 40 years back for any coordinate. Weather maps, UV Index, air pollution and historical data.

Get and update data and content from WordPress-based websites.

Recognize and process a user's speech.

Read content from the screen using a syntesized voice and control how it should be read (e.g. language, pitch and volume.)

Control how animations will play on the fly or in response to other events, including direction, duration, and delay.

Find out the physical orientation of the device running the web page.

Creates a pattern on the canvas dynamically.

Creates a gradient on the canvas.

The BarcodeDetector interface of the Barcode Detection API allows detection of linear and two dimensional barcodes in images.