POST /v1/webhooks/campaign-events

Authentication

This endpoint is public. It takes no credential and no organisation — it is what our own marketing site and AI answer engines read.

This endpoint takes no organisation id. Your key already identifies the organisation it belongs to, and the response is scoped to it.

Try it

Replace anything in angle brackets with your own values, and the key placeholder with a key from your dashboard.

curl -X POST https://api.zinndigital.com/v1/webhooks/campaign-events

Signed in? The API console in your dashboard fills in your real organisation id and your own key, and runs the request against the live API so you can see the actual response. Open this endpoint in the API console

Details

Unauthenticated by design — the provider holds no Zinn® credential, so the HMAC over the raw request body is the authentication, exactly as for the Stripe path above. This is what moves a campaign delivery from sent to delivered, bounced or complained, and what feeds the suppression list. Redelivery is the normal case and every transition is monotonic, so a replay is a no-op rather than a row moved backwards. An event type Zinn® does not handle is acknowledged with 200, because a 4xx would only buy a retry storm for an event nobody was going to act on. ⛔ With no configured secret this endpoint answers 503 and processes nothing. Accepting unsigned events "until it is configured" would be an unauthenticated write path into the delivery table and the suppression list — i.e. anybody on the internet could suppress a competitor's entire customer base.

Response

Errors this endpoint can return

400 · 503