billing.invoice_paid

project_id is always null for billing events.

When this fires

The creator's tier invoice is paid in full and the account is marked current.

Required ability

billing:read — token must carry this at mint time to subscribe an endpoint to this event.

Payload

{
  "id": "evt_01HX...",
  "type": "billing.invoice_paid",
  "created_at": "2026-05-18T10:05:00Z",
  "api_version": "2026-05-01",
  "project_id": null,
  "data": {
    "creator_id": "cre_01HX...",
    "invoice_id": "in_1Nxy..",
    "amount": "49.00",
    "currency": "USD",
    "hosted_invoice_url": "https://invoice.stripe.com/.."
  }
}

Field reference

Field	Type	Notes
`id`	string ULID	Unique event id, prefixed `evt_`. Use for idempotent processing.
`type`	string	Always `billing.invoice_paid` for this event.
`created_at`	ISO 8601 timestamp	Server-side emission time.
`api_version`	string	Webhook API contract version.
`project_id`	null	Always `null` — account-level event.
`data.creator_id`	string ULID	Creator the invoice was addressed to.
`data.invoice_id`	string	Provider invoice id.
`data.amount`	string	Paid amount in major units of `currency`.
`data.currency`	string	ISO 4217 currency code.
`data.hosted_invoice_url`	string	URL to the provider-hosted invoice page (now showing paid status).

Caveats

A previously past_due account is auto-reset on this event. If a billing.account_locked was issued, the lock is also cleared.
Pairs with the resumption of subscriber-side invoicing if access had been suspended.

billing.invoice_created — predecessor.
billing.payment_failed — alternative outcome.
Billing events overview — back to family overview.