curl -X DELETE -i --user AUTH_ID:AUTH_TOKEN \
    https://api.plivo.com/v1/Account/{auth_id}/Zentrunk/Trunk/f19c4773-4ae6-4b75-92ea-9cf3ea4227d6/
Permanently deletes a trunk. API Endpoint
DELETE
https://api.plivo.com/v1/Account/{auth_id}/Zentrunk/Trunk/{trunk_id}/

​
Arguments

No arguments need to be passed. 
curl -X DELETE -i --user AUTH_ID:AUTH_TOKEN \
    https://api.plivo.com/v1/Account/{auth_id}/Zentrunk/Trunk/f19c4773-4ae6-4b75-92ea-9cf3ea4227d6/