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Haproxy with dataplaneapi - CURL commands

I am exploring haproxy with dataplaneapi or script automation.
now i got most of the curl commands for creation of new frontend, backend ,server addition, binding IP,
but now i need curl commands for deleting frontend , backend and delete the bind IP line from existing front end, and remove the backend name from existing frontend.

Need CURL commands to make my own automation.
Regards,
Yuvi