POST
Test an endpoint
Sends a single sample email.received delivery to the endpoint — signed and timed out exactly like a real one, and subject to the same SSRF checks — and returns the outcome. Nothing is persisted, and it doesn’t count against delivery history.
string
required
The endpoint id (ep_…).
boolean
Whether the endpoint returned a 2xx.
integer | null
HTTP status returned, or null if the request never completed.
string | null
Failure reason (timeout, unreachable, non-public URL, redirect), if any.
Use this to verify signature checking — the test payload is signed with the endpoint’s real secret.