Advertising Open APIs
| Provider | Description | Commercial Use | Limits | Terms | Fees |
| CoregMedia | Lead Generation / Co-Registration Network API | Yes | Yes | No | |
| Lets you interact with adwords server. | Yes | ||||
| Yahoo! | API for Yahoo! Search Marketing | Yes | Yes (contract based) | Yes (contract based) | |
| Wordtracker | Keyword research for Search Engine Optimization | Yes |
Examples of sites using APIs
| Example | Description | APIs Used |
| BetterPPC | Automated Google Ad Words (Yahoo! Search Marketing coming soon) copy-testing service | Google Ad Words API |
| Natpal.com | adStation, optimizing paid search buys automatically across Google, Yahoo, MSN & more. | Google Ad Words API, Yahoo Search Marketing API |
Definitions:
Provider - Who is providing the API?
Description - What does the API let you do?
Commercial Use - Can you use this API for commercial use without asking?
Limits - Are there any limitations to amount of usage?
Terms - Link to Terms of Service