Skip to main content

Electronic Prescription Service FHIR API release notes

Notes on what has changed in the most recent releases of the Electronic Prescription Service (EPS) FHIR API.

Latest release – release v1.10.0 and v1.10.1 – released on 6 October 2026

There are no changes in this release that affect suppliers.


Release v1.9.2 – released on 29 September 2026

Change: updated descriptions for the error codes for the EPS FHIR Prescribing API

Description: some of the reason code descriptions were not accurate within the error code table for the 'Cancel a prescription' message. We have updated these so they are now accurate.

Supplier impact: informational only.

Product: this change has been made to the EPS FHIR Prescribing API specification.


Release v1.9.1 – released on 22 September 2026

There were no changes in this release that affect suppliers.


Release v1.9.0 – released on 15 September 2026

There were no changes in this release that affect suppliers.


Release v1.8.3 – released on 8 September 2026

Change: upgrade TypeScript 

Description: this change upgrades TypeScript to version 7.0 across all repositories. A version bump recommended by Dependabot was failing CI/CD pipelines so this update has been deployed across all repositories.

Supplier impact: informational only.

Endpoint: this is a cross-repository change.

Change: use mise based dev container

Description: we have updated the development container's toolchain manager from asdf to mise as a supply chain security enhancement. asdf relies on independently maintained third-party plugin scripts to install language and runtime versions, while mise replaces this with a single compiled binary and a more tightly curated tool registry, along with stronger checksum verification on downloaded binaries.

Supplier impact: informational only.

Endpoint: this is a cross-repository change.


Release v1.8.2 – released on 1 September 2026

There were no changes in this release that affect suppliers.


Release v1.8.1, v1.8.0 and v1.7.1 – released on 25 August 2026

There were no changes in this release that affect suppliers.


Release v1.7.0 – released on 13 August 2026

Change: change the 10 second warning text email address

Supplier impact: informational only.

Product: this affects the Prescription Tracker.

Change: update OAS to ensure dateLastDispensed is included in the 'Download Prescriptions' response

Supplier impact: informational only.

Endpoint: EPS FHIR Dispensing API.


Release v1.6.1 – released on 4 August 2026

Change: unknown error returned when PractitionerRole.Practitioner object is empty

Supplier impact: informational only.

Endpoint: EPS FHIR Prescribing and Dispensing APIs.

Change: expand signature verification script to highlight signing smartcard series

Supplier impact: informational only.

Endpoint: EPS FHIR Prescribing and Dispensing APIs.


Release v1.6.0 – released on 28 July 2026

Change: attempting to claim a prescription in 'Claimed' status returns 'invalid message'

Supplier impact: informational only.

Endpoint: EPS FHIR Dispensing API.

Change: EPSAT – eRD claim failure 

Supplier impact: informational only.

Product: EPSAT.

Change: EPSAT – 'Patient paid' checkbox not clickable on 'Claimed' page

Supplier impact: informational only.

Product: EPSAT.

Last edited: 6 October 2026 3:51 pm