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API and integration catalogue

These are the APIs and integrations which are currently available, or in development, from NHS England and associated organisations. It includes APIs as well as API standards defined by us. For other data standards, see the NHS Data Standards Directory.

First time here? Check out getting started with our APIs.

Not sure which API fits your use case? See if we have a building healthcare software guide that helps.

11 results

Change of GP event

Use this page to view the Change of GP events available via the Multicast Notification Service API (MNS).

Publish-subscribe events NEMS Patient-facing FHIR Uses API platform Access to records Messaging Demographics

Death notification event

Use this page to view the death notification event available via the Multicast Notification Service API (MNS).

NEMS Publish-subscribe events Patient-facing FHIR Uses API platform Access to records Messaging Demographics


Immunisation vaccination event

Use this document alongside the Create Subscriptions API documentation when you want to subscribe to this event.

NEMS Publish-subscribe events Patient-facing FHIR Uses API platform Access to records Messaging Demographics

Internal Beta In production

Multicast Notification Service API

Publish and receive patient-related state changes from a single centralised system.

Uses OAS API Internet facing Central Has sandbox Publish-subscribe events REST STU3 MESH

In production

National Events Management Service - FHIR API

Publish and subscribe to patient-centric healthcare event messages with the National Events Management Service (NEMS) FHIR API. This national service is implemented on the NHS Spine. 

FHIR Continuity of care MESH API Central Transport / infrastructure NEMS STU3 Internet facing Publish-subscribe events Uses digital onboarding

NHS number change event

Use this page to view the NHS number change event available via the Multicast Notification Service API (MNS).

NEMS Patient-facing FHIR Uses API platform Access to records Messaging Publish-subscribe events Demographics

Patient flags change event

Use this document alongside the Create Subscriptions API documentation when you want to subscribe to this event..

NEMS Publish-subscribe events Patient-facing FHIR Uses API platform Access to records Messaging Demographics

In production

Personal Demographics Service Notifications - FHIR

Receive notifications about changes to a patient's demographic details, including record change, birth, death, change of address and change of GP.

FHIR A&E / emergency department MESH Continuity of care Urgent and emergency care GP / primary care Mental health Hospital Inpatient Demographics NEMS STU3 Internet facing Publish-subscribe events