Hi Leandro Silva,
Using CAI Designer is not possible to publish any other methods other than POST(Also GET verb) gets exposed.
You will have to use process developer bpel process to expose the process with other verbs.
Thanks for the reply Prakash Jain.
And do you know if this is on the road map?
This is not on the roadmap.
Informatica Cloud Product Management
You can give a try on the inbuilt connector as well to check this as a workaround in IICS Data integration.
You can use the following REST methods in source, target, and midstream transformation:
Please refer the below :
How to download process developer
Process developer components :