PayPal
| PayPal offers online payment solutions and has more than 153 million customers worldwide. The PayPal API makes powerful functionality available to developers by exposing various features of the... | Payments | 09.04.2005 |
Thomson Reuters Open Calais
| The Thomson Reuters Open Calais API (Intelligent Tagging API) provides developers a way to take unstructured text (e.g. News document, Research reports, etc) and extract the aboutness into a machine-... | Tagging | 01.31.2008 |
CrunchBase
| CrunchBase is a product of TechCrunch and is a directory of technology companies, people, and investment profiles especially for internet and startup companies. The read-only API allows for... | Reference | 07.16.2008 |
Stripe
| The Stripe API allows developers to access the functionality of Stripe. Some example API methods include sending invoices, accepting payments, managing subscription billing, and editing and managing... | Payments | 10.12.2011 |
Kiva
| This service is being replaced by the GraphQL version. It will be sunseted Dec 2019. The Kiva API gives you access to the world's first person-to-person micro-lending website, which empowers... | Financial | 02.03.2009 |
CoinDesk
| CoinDesk is an information center on Bitcoins, a decentralized digital currency used around the world. One service that CoinDesk provides is the Bitcoin Price Index (BPI). This Bitcoin pricing data... | Financial | 09.21.2013 |
Finansportalen
| Finansportalen is a site provided by the Norwegian Consumer Protection Agency to provide consumers the ability to make good choices in the market for financial services. The portal is a tool that... | Feeds | 02.28.2014 |
Authorize.Net
| Authorize.Net provides IP based payment gateway services. The Authorize.Net API enables developers to integrate digital payments into applications. It is optimized for mobile, provides PCI compliance... | Payments | 02.20.2007 |
BitStamp HTTP
| BitStamp is an online exchange for bitcoins. Online consumers and traders can use it as a global marketplace to buy and sell BitCoins. Users make cash deposits to buy bitcoins from other users. They... | Financial | 06.15.2012 |
FreshBooks
| The FreshBooks API is an interface for accessing FreshBooks data using JSON. The API can be used to create web and desktop applications that integrate with an account. API methods are available to... | Financial | 09.07.2006 |
Uber
| Using the Uber API, developers can integrate the power of Uber into 3rd party applications. Calls to the API can be made to request information on available car types, driver location expressed in... | Transportation | 08.20.2014 |
Mt Gox
| Mt Gox allows users to trade US Dollars for Bitcoins and vice versa. The Mt Gox API allows users to fetch public data and place orders. It uses RESTful calls and responses are formatted in JSON. | Financial | 07.01.2011 |
sletoh.com
| Compare 70,000 hotels from 15 hotel websites including Hotels.com, HotelClub and ebookers. One search on sletoH.com shows hotel prices from across the web. Use our XML API to get real-time hotel... | Travel | 07.08.2009 |
Coinkite
| Coinkite is a bitcoin service that provides an exchange and bank for bitcoin and other crypto-currency use. Coinkite also both online banking and a debit card with which to transact in bitcoins... | Financial | 10.27.2013 |
MYOB AccountRight Live
| MYOB AccountRight Live is an accounting application for businesses in Australia. MYOB AccountRight Live offers a variety of accounting and bookkeeping features.
The MYOB AccountRight Live API... | Financial | 05.06.2013 |
Coinbase
| Coinbase is an electronic service and "wallet" for bitcoins and digital currency. Users can transfer currency, pay merchants, and make other payments instantly.
The Coinbase API allows... | Financial | 08.22.2012 |
Payments Gateway
| Payments Gateway is a service from ACH Direct, Inc., one of the largest and fastest growing privately held payment processing companies in the United States.
The API provides a platform for... | Payments | 05.14.2010 |
billomat
| Billomat is a web based billing service. It allows users to create offers and invoices and manage customers. The billomat API uses a RESTful interface that allows access to the data in a user's... | Financial | 02.16.2010 |
Xero
| Xero is an online accounting system designed for small businesses and their advisors. It gives users access to bank transactions, invoices and reports through the internet or mobile devices. The Xero... | Financial | 12.23.2009 |
Google Finance Portfolio
| [This API has been deactivated and this page is being maintained purely for historical and research purposes.] The Google Finance Portfolio Data API allows client applications to view and update... | Financial | 07.01.2008 |
Blinksale
| Blinksale is a web application that allows professionals and small businesses to send invoices on the Web. Users can create invoices from a template or choose to customize the design. The API allows... | Financial | 11.01.2006 |
Microsoft adCenter
| From their site: The Microsoft adCenter application programming interface (API) enables you to create applications that: Create and manage adCenter campaigns, orders, keywords, and ads. Obtain the... | Advertising | 09.25.2006 |
Information Machine
| Our API can automatically & passively collect users' item level purchase data from online and loyalty card purchases at most healthcare, grocery, takeout and major stores (Amazon, Target,... | eCommerce | 12.23.2014 |
Bittrex
| Bittrex provides live data on the cryptocurrency market and acts as a currency exchange platform. The Bittrex API is a simple RESTful API for programmatically accessing a user's account and... | Bitcoin | 08.21.2014 |
VirCurEx
| VirCurEx is an online exchange for users to buy, sell, and trade bitcoins and other crypto-currencies. The VirCurEx allows users to make calls for bid and currency info, check trades, make trades,... | Financial | 05.18.2013 |
