- This is Microsoft.
- He returns Webhook success with a code 200 and plaintext 1.
- He returns Webhook failure with a code 200 and a string tells its endpoint returned error 400.
- the string didn’t tell what exactly the error.
- Don’t be like Microsoft.
EDIT: Got a few details wrong since this happens a few months ago and this meme used to be on r/ProgrammerHumor. Also the proof: 
Lmao, Microsoft code docs are absolutely amazing compared to the undocumented bullshit I have to deal with at most companies that have rolled their own services.
Right but Microsoft isn’t most companies, it’s a SOFTWARE company. A multibillion dollar one at that. Compared to other even multimillion dollar companies, their docs are fucking atrocious