| 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 |