Lesson 1: An API change that broke three teams · 7 min
Before you begin · The rename · What went wrong
Learners prepare on their own, you answer questions live, and the surveys tell you what stuck. 9 fields to fill in with your own policy, contacts and locations; each one is highlighted inside the course.



What learners can do at the end of each lesson. Minutes are an estimate.
Before you begin · The rename · What went wrong
Methods at a glance · Pick the code · Check
Contract first · A breaking change? · Style guide
Trade-offs · Choose for the case · Events
When calls fail · The double charge · Check
Before it ships · Practice