| Acronym | Definition |
|---|
| GAPI | Gateway Api |
| GAPI | Groupe d'Aide aux Personnes Impulsives (French: Group to Help Impulsive People; domestic violence) |
| GAPI | Groupement Administratif des Personnels Isolés (French: Administrative Staff Isolated Group) |
| GAPI | Gateway Application Programming Interface |
| GAPI | Geographically Aggregatable Provider Independent |
| GAPI | Gestion des Assurances de Personnes a l'International (French international insurance management company) |
| GAPI | Global Alliance for Performance Improvement (human resources management) |
| GAPI | Ghana Association of Phonographic Industries |
| GAPI | Georgia Association of Physicians from India (Gainsville, GA) |
| GAPI | Give-Up Application Program Interface |