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OASys and Delius

This integration service provides an API to retrieve details about a Person on Probation and Case from the Delius system:

  • Case details
  • Active registrations
  • Latest release recall

Business need

This integration service enables the OASys assessment system to retrieve up-to-date data from Delius about a Probation Case.

Data dependencies

The service depends on Delius data for up to date information on a Person on Probation, details about the Case, Registrations and Sentence details.

Context Map

API Access Control

API endpoints are secured by roles supplied by the HMPPS Auth client used in the requests

API Endpoint Required Role
/probation-cases/{crn} PROBATION_API__OASYS__CASE_DETAIL
/probation-cases/{crn}/registrations PROBATION_API__OASYS__CASE_DETAIL
/probation-cases/{crn}/release PROBATION_API__OASYS__CASE_DETAIL

API Reference

This page was last reviewed on 24 June 2025. It needs to be reviewed again on 24 September 2025 by the page owner #probation-integration-team .