By the way, payloads MUST be protected, at least by an API key, or using the GitHub system.

If not, this a free party flood.

In D871#13499, @dereckson wrote:

We need to add minimal checks, because {} payload currently produce a valid notification.

[01:50:16] <None/None> None

---

{ project: "Nasqueron" } payload produces:
[02:33:32] <Nasqueron/None> None
02:33:33 <Wearg> [DEBUG] Message for unknown group: Nasqueron null

---

An exception is thrown for Invalid JSON or when the raw payload is a string.

Done, will return a HTTP 400 Bad request code.