customer.imported
Customer imported via legacy cutover.
When it fires
QuotaStack sends this when an import makes a customer, and only when the import asks for events. Set options.emit_webhooks: true to get it.
When it does not fire
QuotaStack sends nothing when emit_webhooks is left out. That is how every import starts. An import is quiet by default, so moving 10,000 customers cannot flood your endpoint.
| Field | Type | Meaning |
|---|---|---|
idrequired | string (uuid) | QuotaStack-assigned customer UUID. |
tenant_idrequired | string (uuid) | |
environmentrequired | string |
Which environment this resource lives in. Determined by the API key prefix used ( |
external_idrequired | string | Your identifier for this customer. |
display_nameoptional | string | Optional human label shown in dashboards. |
overage_policyoptional | string |
Overrides the tenant default when set. |
low_balance_threshold_mcoptional | integer (int64)0–∞ | Optional per-customer override for the |
metadatarequired | object | Free-form key-value tags. |
created_atrequired | string (date-time) | |
updated_atrequired | string (date-time) |
{
"event_id": "0192f5a4-7c31-7b8e-9a2d-4f6c8e1b3a51",
"event_type": "customer.imported",
"tenant_id": "0192f5a4-7c31-7b8e-9a2d-4f6c8e1b3a01",
"environment": "live",
"customer_id": "0192f5a4-7c31-7b8e-9a2d-4f6c8e1b3a05",
"external_customer_id": "user_42",
"created_at": "2026-07-28T09:00:00Z",
"idempotency_key": "import:user_42",
"data": {
"id": "0192f5a4-7c31-7b8e-9a2d-4f6c8e1b3a05",
"external_id": "user_42",
"display_name": "Ada Lovelace",
"environment": "live"
}
}What to do
Match the customer to the record you hold, by external_id.
Which calls fire this
See also
Delivery
QuotaStack guarantees at-least-once delivery. An event may be delivered more than once if your endpoint returns a non-2xx response, the connection fails, or the request exceeds the delivery timeout.
Delivery timeout: 5 seconds per attempt. If your endpoint does not return a 2xx within 5 seconds, the attempt is treated as a failure and retried. Not configurable today.
One webhook URL per tenant. Multiple URLs and per-event routing are not supported. Configure the URL via the tenant config endpoint.
Retry schedule
If delivery fails (non-2xx response, timeout, or network error), QuotaStack retries with exponential backoff:
| Attempt | Delay after previous |
|---|---|
| 1 | Immediate |
| 2 | 30 seconds |
| 3 | 5 minutes |
| 4 | 30 minutes |
| 5 | 2 hours |
| 6 | 8 hours |
| 7 | 24 hours |
After 7 failed attempts, the event is moved to a dead letter queue. Dead-lettered events are not lost — you can requeue them yourself, from the dashboard (Activity → Webhooks → Redeliver) or the API:
curl -X POST https://api.quotastack.io/v1/webhooks/events/{event_id}/redeliver \
-H "X-API-Key: $QS_KEY" \
-H "Idempotency-Key: redeliver:{event_id}"
Redelivery resets the event to pending with a fresh retry schedule (7
new attempts). The next attempt signs with your current secret —
useful when the event dead-lettered because of a secret rotation or an endpoint
outage you have since fixed. Only dead_letter events can be
redelivered; the call returns 409 for events in any other status.
Handling duplicates
Because delivery is at-least-once, your webhook handler should be idempotent. Use
the webhook-id header for deduplication — if you have already
processed an event with that ID, return 200 and skip processing.
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