IAPI
| Acronym | Definition |
|---|---|
| IAPI | Internet Api |
| IAPI | Institute of Advertising Practitioners in Ireland |
| IAPI | Iowa Association of Private Investigators (est. 1985) |
| IAPI | Indiana Association of Professional Investigators |
| IAPI | International Association of Periodontologists and Implantologists |
| IAPI | International AIDS Prevention Initiative (New York, NY) |
| IAPI | Internet Application Programming Interface |