Authenticating with Help Scout API


I am new to API’s so hoping someone can help me!

I am trying to authenticate with Help Scout’s API so that I can send the information of customers of my application (built in Bubble) into Helpscout so I can see their information when answering support queries.

Their Authentication documentation is here: Authentication | Help Scout Developers

Here’s what I currently have setup:

Can someone kindly help me understand where I have gone wrong? It would be very much appreciated!


One thing I can see is that the body isn’t in JSON format.