subscription.unpaid

When this fires

A subscription's grace period ends without successful collection. The provider has given up retrying. Resource access is typically revoked shortly after.

Required ability

project-subscription:view-any — token must carry this at mint time to subscribe an endpoint to this event.

Payload

{
  "id": "evt_01HX...",
  "type": "subscription.unpaid",
  "created_at": "2026-07-18T10:05:00Z",
  "api_version": "2026-05-01",
  "project_id": "prj_01HX...",
  "data": {
    "subscription_id": "sub_01HX...",
    "plan_id": "pln_01HX...",
    "subscriber_id": "usr_01HX...",
    "provider": "stripe"
  }
}

Field reference

Field	Type	Notes
`id`	string ULID	Unique event id, prefixed `evt_`. Use for idempotent processing.
`type`	string	Always `subscription.unpaid` for this event.
`created_at`	ISO 8601 timestamp	Server-side emission time.
`api_version`	string	Webhook API contract version.
`project_id`	string ULID	Project this event belongs to.
`data.subscription_id`	string ULID	Subscription identifier.
`data.plan_id`	string ULID	Plan the subscription is on.
`data.subscriber_id`	string ULID	Subscriber's project-scoped user id.
`data.provider`	string	Payment provider slug.

Caveats

After this event, the subscription is non-recoverable on its current terms — the subscriber must restart with a new subscription.
Expect subscription.expired and member.churned to follow.

subscription.past_due — predecessor inside the grace window.
subscription.expired — terminal state.
Subscription events overview — back to family overview.