Replaced by
https://developer.sailpoint.com/idn/api/v3/put-service-desk-integration
Please note that SIM integrations created by the private api (/api/integration/createSimIntegration) will not appear in the v3 replacement as the implementation is very different. Please read the deprecation notice on this doc for more information: https://community.sailpoint.com/t5/IdentityNow-Connectors/ServiceNow-SIM-Integration-Guide/ta-p/135711.
To migrate off of the private endpoint, you will need to recreate each SIM integration that exists in the private endpoint using the v3 replacement.