PayPal API
| 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 | 555 | REST |
Zillow API
| The Zillow API Network turns member sites into mini real estate portals by offering fresh and provocative real estate and mortgage content to keep people coming back. There are four categories of... | Real Estate | 520 | REST |
Thomson Reuters Open Calais API
| 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 | 103 | REST |
CrunchBase API
| 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 | 99 | REST v3.1 |
Stripe API
| 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 | 136 | REST v1 |
Finansportalen API
| 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 | 14 | REST |
Kiva API
| 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 | 41 | REST v1.0 |
CoinDesk API
| 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 | 92 | REST |
IMSAS API
| IMSAS LLC is a leading provider of Web Service solutions across a range of background screening data, MVR records, income and medical license verifications. IMSAS products are delivered using XML... | Database | 16 | REST |
Authorize.Net API
| 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 | 106 | REST |
BitStamp HTTP API
| 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 | 40 | REST |
FreshBooks API
| 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 | 113 | REST |
Mt Gox API
| 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 | 27 | REST |
Coinkite API
| 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 | 18 | REST |
MYOB AccountRight Live API
| 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 | 17 | REST |
Coinbase API
| 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 developers... | Financial | 122 | REST v2.0 |
Payments Gateway API
| 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 | 18 | RPC |
billomat API
| 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 | 7 | REST |
Xero API
| 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 | 73 | REST v2.0 |
Google Finance Portfolio API
| [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 | 230 | FEED |
Blinksale API
| 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 | 18 | REST |
Microsoft adCenter API
| 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 | 25 | RPC |
VirCurEx API
| 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 | 62 | REST |
Bank of Russia Daily Info API
| The Bank of Russia (Банк РоÑÑии) is the Central Bank of the Russian Federation. It hosts the Daily Info API, which provides users with access to financial information associated with the... | Financial | 22 | RPC |
Google Closure Compiler API
| The Closure Compiler is a tool for optimizing JavaScript. The API is intended to act as a true compiler for JavaScript. The API parses JavaScript, analyzes it, removes dead code and rewrites and... | Tools | 9 | REST |
