Deletes a WhatsApp Channel. Note: this operation is not supported on the GOWS engine and will return 501.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
The WhatsApp instance UUID
"a1b2c3d4-e5f6-7890-abcd-ef1234567890"
Channel ID
Channel deleted
Human-readable result message
"Operation completed successfully"