Purchase Order Expired

Event Type

purchase_order_expired

Company-only webhook

This event is not available for agency webhooks.

When It Fires

Sent when a purchase order is expired. Company-only. These events are not available for agency webhooks; purchase order Open API endpoints reject agency-scoped keys. Fetch full details from GET /purchase-orders/{id}.

Fetch the Full Object

The payload contains the full object ID in data.purchaseOrder.id. Fetch the record with GET /purchase-orders/{id}.

Delivery

• Method: POST
• Content-Type: application/json
• Delivery guarantee: at-least-once

Delivery Headers

Header	Description
Content-Type	application/json
X-Requidex-Event	purchase_order_expired
X-Requidex-Event-Id	Unique event delivery ID
X-Requidex-Signature	HMAC SHA-256 signature of the raw request body
X-Requidex-Timestamp	UTC timestamp used when signing the payload

See signature verification and retry behavior for the shared delivery contract.

Payload Fields

Field	Type	Required	Description
id	string	Yes	Unique event ID
type	string	Yes	purchase_order_expired
createdAt	string	Yes	Event timestamp in ISO 8601 format
data.purchaseOrder.id	string	Yes	Full object ID

Payload Example

{
  "id": "evt_01K1WEBHOOKEXAMPLE",
  "type": "purchase_order_expired",
  "createdAt": "2026-09-10T12:00:00.000Z",
  "data": {
    "purchaseOrder": {
      "id": "507f1f77bcf86cd799439013"
    }
  }
}