API, originally Advanced Programming Interface but now more commonly known by its near synonym, Application programming interface, is any defined inter-program interface.

API or api may also refer to:

Companies and organizations:

• Academic Programs International, an American study-abroad provider
• AmeriStat Pharmaceuticals, Inc., a US-based international wholesaler and exporter of pharmaceuticals and medical supplies
• American Petroleum Institute, an American trade organization
• Animal Protection Institute, an American non-profit organization
• Australian Property Institute, an Australian trade organization
• Automated Processes, Inc., an American audio electronics company
• Aviation Partners Inc., an American aviation components company

Places:

• Api (mountain), Nepal
• Mount Api, Malaysia
• Api Chamber, a large cave chamber in Malaysia

Science:

• Academic Performance Index, a measure of scholastic performance used in California, United States
• Active pharmaceutical ingredient, a basic component of any medicine or pharmaceutical drug
• Analytical Profile Index, a miniaturized panel of biochemical tests compiled for identification of groups of closely related bacteria.

Other:

• Air Pollution Index, a measure of air quality used in Hong Kong and Malaysia
• Advance Passenger Information, passenger information collected by commercial transportation operations
• Armor-piercing incendiary, a type of armor-piercing shot and shell
• International Phonetic Alphabet, a system of phonetic notation; "API" refers to the French name for the system, Alphabet phonétique international

For information on Wikipedia APIs, see here.

als:API ca:API (desambiguació) de:API es:API (desambiguación) eo:API fr:API id:API it:API nl:API ja:API pl:API pt:Api (desambiguação) sk:API tr:API (anlam ayr?m) wa:API zh:API (???)