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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 - FHIR API

Send booking and referral information between NHS service providers using our Booking and Referral FHIR API.

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



Engage with users of the NHS App.

Patient Communication Hospital Patient GP / Primary Care FHIR R4 REST API Service Intermediary