Architect Flow Failing to Validate Shift Swap Requests via WFM API

Having some issues getting my configuration to work…

Building an automated validation step in Architect to check shift swap eligibility before agents submit requests via the self-service portal. The flow uses a Data Action to call the WFM Schedule API endpoint /api/v2/wfm/scheduling/schedule-entries. While basic lookups succeed, the flow consistently returns a 400 Bad Request when the payload includes specific agent preference constraints for cross-midnight shifts. The error response body indicates Invalid shift overlap detected, but manual verification in the WFM UI confirms the proposed swap is valid and adheres to our Chicago-based labor rules.

The integration uses the standard OAuth2 client credentials flow. We are running Genesys Cloud version 24.2.0. The issue appears isolated to swaps involving agents with ‘Senior’ scheduling profiles. Has anyone configured a similar validation loop in Architect that handles complex preference overrides? Need to ensure the Data Action payload correctly formats the agent_id and effective_date fields to bypass this false positive rejection.

The easiest fix here is this is to structure the payload using ISO 8601 duration strings rather than absolute timestamps for cross-midnight shifts. In Zendesk, we used simple start/end times, but Genesys Cloud WFM expects PT24H or similar duration formats for schedule entries. Check the Data Action mapping to ensure the duration field is populated correctly instead of relying on start_time alone.

The best way to fix this is to ensure your JMeter test doesn’t flood the endpoint with malformed payloads, as the 400s likely stem from concurrent validation failures rather than just the ISO format. Switching to PT24H durations helps, but you also need to throttle your thread_group requests to avoid hitting the WFM API’s stricter rate limits during shift changes.