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Creating a new NHS England: NHS England and NHS Digital merged on 1 February 2023. More about the merger.

API catalogue

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

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6 results
C
Deprecated

Clinical Document Architecture API standards

API standards to send and receive Clinical Document Architecture (CDA) messages and share information in a clinically safe way.

Messaging API standard

I
Draft

Interoperability Toolkit 2 Messaging API standards

API standards for a set of messaging components using HL7 V2 and HL7 V3.

Messaging API standard

L
Deprecated

Logical Record Architecture API standards

API standards for a Logical Record Architecture (LRA) for use in health and social care.

Messaging API standard

M
In production

Message Exchange for Social Care and Health (MESH) API

Transfer messages and large files securely across health and social care organisations using the Message Exchange for Social Care and Health (MESH) API.

Messaging Transport / infrastructure API Central Internet facing REST MESH Uses OAS Uses digital onboarding

N
In production

National Event 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. 

Continuity of care Messaging Transport / infrastructure API Central Internet facing FHIR STU3 MESH NEMS
In production

NHSmail APIs

Integrate with NHSmail using these native Microsoft Exchange APIs.

Messaging Transport / infrastructure API Central Internet facing REST