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API catalogue

First time here? Check out Getting Started with NHS Digital APIs.

These are the APIs which are currently available, or in development, from NHS Digital. It includes API standards defined by us. If you're looking for other standards or reference materials, try our Developer A-Z

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Message Exchange for Social Care and Health (MESH) API

The Message Exchange for Social Care and Health (MESH) is the main secure large file transfer service used across health and social care organisations.

Transport / Infrastructure Messaging MESH API Service Central Intermediary


National Event Management Service - FHIR API

Publish and subscribe to patient-centric event messages with the National Events Management Service (NEMS).

Transport / Infrastructure Continuity of Care (ToC) Messaging FHIR MESH NEMS API Service Central Intermediary

National Record Locator - FHIR API

Locate and access patient information shared by other healthcare organisations using the National Record Locator (NRL) FHIR API.

Transport / Infrastructure Access to Records FHIR API Service Central