API Directory

123ContactForm (Business)

123ContactForm API provides simple data retrieval tools for any online forms and surveys you create with the online form builder.

500px (Photos)

500 px ... site de imagens

APIS.IO (Other)


Bing (Search)

Microsoft Bing Search Engine API

BipIO (PaaS)

Bipio is a graph pipelining API talking RESTful JSON, where each node in your graph is responsible for performing a discrete unit of work, su

BitBucket (Developer)

Unlimited DVCS Code Hosting Free up to 5 Users Store all of your Git and Mercurial source code in one place with unlimited private repos. Inc

BitextAPI (Social)

The purpose of this service is to extract opinions from text. An opinion represents the subject an author is writing about and a sentiment sc

Bitext Sentiment Analysis (Social)

The purpose of this service is to extract opinions from text. An opinion represents the subject an author is writing about and a sentiment sc

Bit.ly (Tool)

URL shortening service

BlueVia (Telephony)

Bluevia API’s make it easy for your application to access our network services like sending messages, getting an Ad, or looking up informatio

Chatbot API (Entertainment)

Receive a natural language response to a user input with this chatbot api. Connect your apps to this talking bot and simulate a real conversa

Chatter (Social)

Salesforce Chatter provides a rich suite of collaboration features to any application built on Force.com

Context.IO (Other)

Context.IO takes care of synching email data for your app so you don't have to build, scale and maintain this infrastructure yourself. Foc

Datumbox Machine Learning API (Tool)

Datumbox offers a Machine Learning API with a large number of off-the-shelf Classifiers and Natural Language Processing services which can be

Delicious (Search)

Delicious Tagging API

Dynadot (Other)

The Dynadot API allows you to search for, register, and delete domain names programatically, using your own software and server. With version

ecobee API (Developer)

The ecobee API provides an http-based interface for control and access to the ecobee thermostats. Integrators will be allowed to read, update

Email Validate (Tool)

Parse, validate and clean an email address. This API performs the following functions: Syntax Checks - Check if the email address is RFC8

Email Verification API by Email YoYo (Enterprise)

The API service from Email YoYo is used to check and validate a email address in real-time and is integrated with your email capture applicat

Etsy (Shopping)

Etsy Handmade Marketplace API

EU VAT Number Validator (Business)

Validate VAT ID's / Number's in a RESTful way. This API wraps the EU VIES SOAP services.

Eventful (Entertainment)

Eventful offers the world's largest collection of event information. Events in our database include music, nightlife, sports, kids & family,

Exchange Rate Lab (Business)

Exchange Rate Lab offers simple exchange rate data and currency conversion for all kinds of commerce and mobile applications using industry s

Face (Social)

Face Recognition API

Facebook (Social)

Facebook OpenGraph API

Fitbit (Health)

Fitness Tracking API

FourSquare (Social)

FourSquare's check in API

FraudLabs Pro - Online Fraud Detection and Prevention (Developer)

FraudLabs Pro provides a comprehensive library for developers who wish to leverage our fraud prevention solution into their projects. The lib

FreeBase (Tool)

An entity graph of people, places and things, built by a community that loves open data.

GitHub (Developer)


GooglePageSpeed (Developer)

Make your pages faster!

Google Plus (Social)

Google Plus

GooglePrediction (Developer)

Google's cloud-based machine learning tools can help analyze your data

GoogleWebFonts (Developer)

Google Web Fonts provides high-quality web fonts that you can include in your pages using the Google Web Fonts API

Groupcentric (Social)

Groupcentric is an SDK for developers to quickly and easily add rich, robust group chat into their apps. It takes between 5-10 minutes to ins

Groupon (Advertising)

Local deals API

HeyWatch Video Encoding API (Video)

The HeyWatch's video encoding API allows company to enjoy a professional turnkey cloud-based video encoding solution for their desktop, web o

Instagram (Photos)

Fast, beautiful and fun way to share your photos with friends and family

Interworx (Developer)

The InterWorx API is a fantastic resource for developers to easily and rapidly achieve integration of InterWorx into their own products. The

IP Tools (Tool)

IP Tools for Network and Security testing. Includes the following handy network tools traceroute, ping, http headers, whois, geoiplocation, d

josh1 (Telephony)


LastFM (Social)

Last.fm API allows anyone to build their own programs using Last.fm data

LinkedIn (Social)

Business social network API

MindMeld API (Search)

The MindMeld API is an advanced developer platform and cloud-based service to power a new generation of anticipatory computing applications.

Mogreet API (Developer)

Mogreet's APIs enable developers to send and receive SMS or MMS messages (for only $0.01 per send) and add SMS, Video, rich media messaging t

Moodstocks (Search)

Mobile visual search (http://moodstocks.com)

musiXmatch (Music)

musiXmatch lyrics API is a robust service that permits you to search and retrieve lyrics in the simplest possible way. It just works.

myTest (Advertising)

test 123

Nodester (PaaS)

Opensource Node.JS PaaS REST API.

Nutritionix API (Health)

The Nutritionix API provides nutrition data for over 60,000 items from 10,000 food brands.

NYTimes (News)

New York Times news API

Open Exchange Rates (Developer)

Real-time Exchange Rates designed just for Developers –– simple, fast and accurate JSON currency API, with prices for 157 world currencies, h

PageMunch (Developer)

Page Munch is an easy to use API that allows you to turn any webapge into rich, structured JSON. Rich Previews It's easy to create Face

PayPal (Payments)


Phone-Validate (Tool)

Parse, validate and get location information about a phone number. Use this API to validate local and international phone numbers. You can d

Pinboard.in (Tool)

Fast, no-nonsense bookmarking site

Pipl Search API (Search)

The API allows you to query with the information you have about a person (such as name, address, age, email, phone or username) and get compl

PivotalTracker (Tool)

Awesome agile developer tool

ProxAPI (Developer)

With people on the move location is everything. ProxAPI is a service and API that allows users to search, find matches, and receive automa

Rdio (Music)

With the Rdio API, there’s finally an easy and legal way to access and play music across the web and mobile devices.

Readability (Tool)

Build reading apps with the Readability RESTful API

RealFaviconGenerator (Tool)

RealFaviconGenerator a favicon generator for all major platforms and browsers. With its API, you can integrate its favicon editor to your CMS

Reddit (News)

User-generated news links. Votes promote stories to the front page.

Rev API (Enterprise)

Rev is a San Francisco-based startup, founded with the goal of delivering fast and easy-to-use services powered by a global team of human wor

RubyGems (Developer)

Interacting with RubyGems.org over HTTP

Runscope (Developer)

The API for your APIs. View and manage your Runscope API Tools account data.

Scoop.it (Tool)

An API to write external applications that access Scoop.it programmatically