API (disambiguation)

• AP1 (disambiguation)
• API
• API gravity
• API number
• API oil-water separator
• Academic Performance Index
• Academic Programs International
• Active pharmaceutical ingredient
• Air Pollution Index
• Alliance for Italy
• American Petroleum Institute
• Analytical Profile Index
• Animal Protection Institute
• Anonima Petroli Italiana
• Anton Pannekoek Instituut
• Api (mountain)
• Api Chamber
• Apnea–hypopnea index
• Arab Peace Initiative
• Armor-piercing incendiary
• Asian-Pacific Islander
• Associated Producers Incorporated
• Athletes' Performance Institute
• Atmospheric pressure ionization
• Auburn University
• Australian Pharmaceutical Industries
• Australian Property Institute
• Automated Precision, Inc.
• Automated Processes, Inc.
• Automobile Products of India
• Aviation Partners Inc.
• Aviation Preflight Indoctrination
• Blowback_(firearms)
• International Phonetic Alphabet
• List of pharmaceutical companies
• Mount Api
• Passenger name record
• United States Naval Aviator
• University of Amsterdam
• public-service announcement
• sleep apnea