Tool use with the Messages API

Free certificateAnthropic Academy

How to make tool use more reliable, faster and cheaper, and how to use the tools provided by Anthropic.

How it works

An online course in English: 9 lessons and a quiz. Passing the quiz earns you a completion badge (it is not a proctored exam or a professional certificate). The page does not state a difficulty level. It requires writing a tool loop by hand, so take Claude Platform 101 first.