Webhooks
Bulk upload status webhook
Webhook that is called when a bulk customer upload job completes or fails. This endpoint should be implemented by clients of the Grid API.
Authentication
The webhook includes a signature in the X-Grid-Signature header that allows you to verify that the webhook was sent by Grid. To verify the signature:
- Get the Grid public key provided to you during integration
- Decode the base64 signature from the header
- Create a SHA-256 hash of the request body
- Verify the signature using the public key and the hash
If the signature verification succeeds, the webhook is authentic. If not, it should be rejected.
This webhook is sent when a bulk upload job completes or fails, providing detailed information about the results.
postWebhookbulk-upload
Payload
Example payload
{
"id": "Webhook:019542f5-b3e7-1d02-0000-000000000007",
"timestamp": "2025-08-15T14:32:00Z",
"data": {
"id": "Job:019542f5-b3e7-1d02-0000-000000000006",
"status": "PROCESSING",
"progress": {
"total": 5000,
"processed": 2500,
"successful": 2450,
"failed": 50
},
"errors": [
{
"correlationId": "biz456"
}
],
"completedAt": "2025-08-15T14:32:00Z"
}
}Response
Webhook received successfully