Predictive Routing API 500 Error on Campaign Activation

Quick question about the Predictive Routing API behavior when activating campaigns via our AppFoundry integration. We are deploying a new IVR flow and attempting to activate a predictive campaign using the PUT /api/v2/outbound/campaigns/{campaignId} endpoint. The request payload includes standard configuration parameters for the predictive type, specifically setting progressUri and progressMethod. However, the API consistently returns a 500 Internal Server Error with a generic JSON body indicating a server-side failure, rather than a 400 Bad Request for validation issues. We have verified that the associated user queue exists and is active, and the campaign was successfully created in the paused state. This issue appears after upgrading our integration backend to use the latest Genesys Cloud SDK version 2.30.0. Has anyone encountered similar issues with the predictive campaign activation endpoint recently? We are running this in a multi-org setup, so we are ensuring the correct X-Genesys-Organization-Id header is present. The error occurs sporadically, affecting roughly 10% of activation attempts during peak load testing.

The root cause here is the platform rejecting malformed predictive configuration payloads. Ensure the progressUri adheres to strict HTTPS requirements and that the progressMethod is explicitly defined as POST. The 500 error often masks a validation failure in the underlying campaign schema.

Note: Verify the payload against the latest Swagger definition to catch missing optional fields.

This is typically caused by the platform rejecting malformed predictive configuration payloads. While the previous point about HTTPS is valid, the 500 error often masks a deeper schema validation failure when the progressUri points to an endpoint that does not strictly adhere to the expected response headers. In our BYOC environments, we frequently see this when the webhook server returns a 200 OK but lacks the required Content-Type: application/json header, causing the outbound engine to throw an internal error instead of a clean 400.

Ensure your payload explicitly defines progressMethod as POST. Additionally, verify that the target URL is accessible from the Genesys Cloud outbound regions, as firewall restrictions on the receiving end can trigger these generic 500s during the initial handshake.

Check the server logs for the initial request to confirm it is reaching your endpoint. If it is, the issue is likely in the response handling logic.