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Appointment Reminders and Delius

Automates sending of reminders to people on probation via SMS.

Business Need

  • Sending appointment reminders to people on probation to help improve compliance with supervision activities
  • Providing a method of automating the sending of SMS messages via GOV.UK Notify
  • Standardising the process of sending SMS appointment reminders across regions

Workflows

Sending SMS Reminders Based on Delius Data

The service will send appointment reminders to people on probation by combining the data in Delius and the GOV.UK Notify service. Data is gathered from Delius, validated and templated SMS messages are sent using the GOV.UK Notify API.

Workflow Map

Downloading CSV Data

A CSV file of the appointment reminders that the service will send on a particular day can be accessed via an API endpoint

Interfaces

Scheduled Job

  • SMS messages are send via a scheduled job
  • Telemetry is send to Application Insights for each SMS message sent

API Access Control

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

API Endpoint Required Role
/upw-appointments.csv PROBATION_API__REMINDERS__UPW_APPOINTMENTS

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 .