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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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Include retired APIs


Booking and Referral Standard

A standard for healthcare IT systems that enables booking and referral information to be sent between NHS service providers.

Appointment / Scheduling Referrals Access to Records Continuity of Care (ToC) Patient Communication A&E / Emergency Department Ambulance Services NHS 111 FHIR R4 REST API Standard


GP Connect Appointment Management - FHIR API

Manage GP practice appointments between different systems.

Appointment / Scheduling Continuity of Care (ToC) Hospital A&E / Emergency Department Inpatient Outpatient GP / Primary Care Urgent And Emergency Care Ambulance Services NHS 111 FHIR STU3 REST API Service Intermediary