Try using the “DELETE” method, by default the HTTP module defaults to “GET” method.
If not, you’re out of luck. For more information, see javascript - Deleting images in Imgbb via API - Stack Overflow
Hope this helps! Let me know if there are any further questions or issues.
— @samliew
P.S.: Did you know, the concepts of about 70% of questions asked on this forum are already covered in the Make Academy. Investing some effort into it will save you lots of time and frustration using Make later!