TAPI is a four-letter abbreviation, and may refer to: Telephony Application Programming Interface, an API which enables PCs running Microsoft Windows to use telephone services Turkmenistan-Afghanistan–Pakistan–India pipeline (Trans-Afghanistan Pipeline), a proposed natural gas pipeline Teva Active Pharmaceutical Ingredients, a stand-alone business unit of Teva Pharmaceutical Industries limited TAPI-0 and TAPI-1, inhibitors used in biochemistry Tapi may refer to: People Tapi Dharma Rao, Indian writer Tapi Chanakya, Indian film director Dragan Malesevic Tapi (Dragan Malešević Tapi), Serbian hyper realist painter Geography Tapi, Albania Tapi, Iran Tapi, Pakistan, a village in the North Waziristan province and the site of two drone attacks by the United States military Used as TApI Tapi district, Gujarat, India Tapti River (often spelled Tapi), in the state of Madhya Pradesh, Maharashtra and Gujarat in India Tapi River, Thailand (Thai: ตาปี, sometimes spelled Tapee), in the Surat Thani Province, Southern Thailand