Data Action Timeout During JMeter Load Test

Does anyone know why our custom data action fails under load?

  • Endpoint: POST /api/v2/integrations/dataactions
  • Error: 408 Request Timeout after 10 seconds
  • Load: 50 concurrent requests via JMeter 5.6
  • Region: us-east-1
  • Flow: Simple JSON response from mock server

The mock server responds in 200ms. Genesys Cloud seems to drop the connection. We are testing integration limits.