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API catalogue

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These are the APIs which are currently available, or in development, from NHS Digital and associated organisations. It includes API services as well as API standards defined by us. 

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Include retired APIs

Stable Under review

GP2GP Management Information MESH API

Provide information to NHS Digital on the progress of the patient migration process between GP practices (GP2GP).

Continuity of care GP / primary care Internet facing REST MESH API service Central


National Event Management Service - FHIR API

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

Continuity of care Messaging Transport / infrastructure Internet facing FHIR STU3 MESH NEMS API service Central Intermediary