| API | Description | Category | |
|---|---|---|---|
| Authorize.Net | Internet based payment gateway services | Shopping | 2007-02-20 |
| BankVal International | IBAN and SWIFT validation services | Financial | 2008-08-16 |
| Blinksale | Online invoicing services | Financial | 2006-11-01 |
| Buxfer | Personal finance service | Financial | 2008-05-18 |
| Convio | Non profit online fundraising | Other | 2007-10-25 |
| Cortera Credit Pulse | Credit check of businesses | Financial | 2008-05-11 |
| CrunchBase | Directory of companies, people, and investors | Reference | 2008-07-16 |
| Currency Rates | Currency rates for 115 countries | Financial | 2006-10-15 |
| Dun and Bradstreet Credit Check | Credit quick check web service | Financial | 2006-12-13 |
| FreshBooks | Online invoicing and time tracking | Financial | 2006-09-19 |
| Inkling | Prediction market platform | Financial | 2005-06-02 |
| KashFlow | Online accounting software | Financial | 2007-07-25 |
| Moneytrackin | Expense tracking | Financial | 2007-04-02 |
| Mortgage Marvel | Mortgage rate quotes service | Real Estate | 2008-04-12 |
| NetAccounts | Online accounting service | Financial | 2006-03-27 |
| Prosper | Peer-to-peer lending network | Financial | 2007-05-07 |
| StrikeIron Insider Trading | Insider trading transaction information | Reference | 2006-10-08 |
| StrikeIron Lite Web Services | Financial, census data, phone numbers, and other data | Reference | 2008-05-11 |
| StrikeIron Zacks Company Profile | Corporate profiles web service | Reference | 2006-11-29 |
| Xignite Calendar | Global economic calendars | Financial | 2008-03-23 |