EventBridge Rule Triggering but Genesys Cloud Webhook Not Firing on User Status Change

NICE CXone API & Integrations
1

Can anyone clarify why my AWS EventBridge rule is matching the Genesys Cloud userStatus event but the downstream webhook target returns a 4xx error?

We are using Terraform CX as Code to manage the Genesys Cloud side. The webhook endpoint is registered correctly via the genesyscloud_webhook resource.

  1. Defined EventBridge rule to match detail-type = “User Status Changed” from source genesys.cloud.
  2. Target is an HTTP endpoint (internal proxy).
  3. Rule fires. EventBridge sends payload to proxy.
  4. Proxy logs show 400 Bad Request from Genesys Cloud.

The issue seems to be the payload structure. Genesys Cloud expects a specific JSON format for acknowledgment or data ingestion, but EventBridge wraps the event in its standard envelope.

Snippet of the EventBridge payload hitting the proxy:

{
 "id": "a1b2c3d4-...",
 "detail-type": "User Status Changed",
 "source": "genesys.cloud",
 "account": "123456789",
 "time": "2023-10-27T14:00:00Z",
 "region": "eu-west-1",
 "resources": [],
 "detail": {
 "userId": "123",
 "status": "Available"
 }
}

The Genesys Cloud API documentation for webhooks is sparse regarding EventBridge integration specifics. Are we supposed to transform the detail object before sending it back, or is there a specific header missing? The Terraform config for the webhook is minimal:

resource "genesyscloud_webhook" "gc_to_aws" {
 name = "GC to AWS EventBridge"
 endpoint_url = "https://internal-proxy.example.com/gc-events"
 # ... auth config
}

Any insights on the expected request body format for this specific integration?