Web Search Open APIs
| Provider | Description | Commercial Use | Limits | Terms | Fees |
| Amazon | Search the Web | 1 call/sec, no files > 40K | Yes | ||
| BroadSnatch | Podcasts, vlogs and media search | ||||
| Gigablast | Search the Web | 1000 searches/day | |||
| Search the Web | No | 1000 searches/day | Yes | ||
| Pub Sub | Search for something and once it appears you get notified | No | Yes | ||
| Yahoo | Search the Web | Yes | Yes |
Examples of sites using APIs
| Example | Description | APIs Used |
| Rollyo | Social/customizable search | Yahoo Web search API |
| FreeTropolis | Open Directory Category Search | Rolist |
| Ask Vox | Talking Question and Answers | Yahoo! Answers 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