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Emitted when a session’s expires_at is reached and no attempt succeeded. A scheduled job sweeps expired sessions, marks them expired, and emits this event.

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When it fires

A session expires when 60 minutes have elapsed since created_at and it has not reached completed (a successful attempt or three failed attempts) or cancelled. In-progress attempts inside an expired session are marked failed with failure_code: session_expired. This event fires at most once per session.

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Payload

{
  "type": "verification.session.expired",
  "metadata": {
    "contract_version": 1,
    "event_id": "evt_...",
    "verification_session_id": "vs_..."
  },
  "data": {}
}

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Fields

​
type
string
Always verification.session.expired.
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metadata.contract_version
number
Contract version the session was created against.
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metadata.event_id
string
Unique event ID. Use as an idempotency key.
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metadata.verification_session_id
string
The session that expired.
​
data
object
Empty object. Reserved for future fields.

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Handler outline

if (event.type === "verification.session.expired") {
  const { verification_session_id, event_id } = event.metadata;
  if (await alreadyProcessed(event_id)) return;

  await markSessionExpired({ sessionId: verification_session_id });
}
Treat an expired session as a definitive “user did not finish in time”. If you need them to verify, create a fresh session.