I assume you want to use the REST channel. You can see docs here. With the rest channel the endpoint would be http://<host>:<port>/webhooks/rest/webhook as shown on that page with a payload as shown there.
I assume you want to use the REST channel. You can see docs here. With the rest channel the endpoint would be http://<host>:<port>/webhooks/rest/webhook as shown on that page with a payload as shown there.