Acne vulgaris is the medical name for common acne -- the presence of blackheads, whiteheads, and other types of pimples on the skin. The most common spots for breakouts are the face, chest, shoulders, and back.
Apigee is an API Management tool. If you're interested in API Management systems in general you might find it useful to look at IT Central Station where real users have reviewed many of the options presently available: Best API Management And What Is API Management.
An application programming interface key (API key) is a code passed in by computer programs calling an API (application programming interface) to identify the calling program, its developer, or its user to the Web site.