Webhook Events

Post scheduled event

Fired whenever a post enters the scheduled state: created with a schedule, added to a queue, a draft promoted to scheduled or queued, a failed or partial post retried, or a recycled clone created. Not fired when an already-scheduled post is edited or rescheduled.

postWebhookpost.scheduled

Payload

idstring required

Stable webhook event ID: the dedupe key, also sent as the X-Zernio-Event-Id header and identical on every retry and redelivery. It identifies the event only, never an account or other resource.

testboolean

Always true when present: only a sample sent by POST /v1/webhooks/test with an event carries it. Real deliveries never do.

event'post.scheduled' | 'post.published' | 'post.failed' | 'post.partial' | 'post.cancelled' | 'post.recycled' required
timestampstring date-time required

UTC time at which Zernio generated this event (set once when the event payload is built, before delivery is queued). Retries and redeliveries keep the original value, so it reflects the event, not the delivery attempt.

Example payload

{
  "profiles": [
    {
      "externalId": "tenant_42"
    }
  ]
}

Response

Webhook received successfully

Changes

Webhooks have no change history: a webhook is keyed by its event name rather than a path and method, so no recorded change can name it.