Welcome to the Make community!
You can learn more about this in these Make Academy units:
- Introduction to HTTP
- HTTP GET
- HTTP POST
- HTTP to webhook
- API and Endpoints
- Header and body
- Multipart/form-data
- OAuth 2.0
- Make API
Hope this helps! If you are still having trouble, please provide more details.
— @samliew
P.S.: investing some effort into the tutorials in the Make Academy will save you lots of time and frustration using Make!