API - application program interface. Related Terms. Application program interface (API) is a set of routines, protocols, and tools for building software applications. An API specifies how software components should interact. Additionally, APIs are used when programming graphical user interface (GUI) components. A good API makes it easier to develop a program by providing all the building blocks.
By Rowena Pedrena. A traditional golf set has 13 clubs: three woods, nine irons (including three wedges) and one putter. The USGA limits the number of clubs a player may carry in his or her bag to 14. A player may include an additional wedge or wood to a fill a gap in hitting distance.
The journey to claim the U.S. Open Trophy at Oakmont (Pa.) Country Club this June starts with 111 local qualifiers in 43 states. (USGA/John Mummert) For many hopefuls, the journey to the 2016 U.S. Open Championship at Oakmont (Pa.) Country Club begins with local qualifying. Between May 2-19, the USGA will conduct 111 18-hole qualifiers in 43 states to determine which players advance to 36-hole sectional qualifying.