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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


Ambulance Messaging - HL7 V3 API

Ambulance Messaging supports the Ambulance Service Summary Patient Report containing a summary of care events and care data.

Urgent And Emergency Care Ambulance Services Appointment / Scheduling HL7 V3 API Service Intermediary


e-Referral Service - HL7 V3 API

Create paperless referrals or manage appointment slots in secondary care using the e-Referral Service (e-RS) HL7 V3 API.

Hospital Appointment / Scheduling Referrals HL7 V3 API Service Central


GP Connect Appointment Management - FHIR API

Manage GP practice appointments between different systems.

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


NHS Booking - FHIR API

Search for free slots and book appointments with this API formerly known as FHIR NHS Scheduling API

Urgent And Emergency Care NHS 111 Appointment / Scheduling FHIR API Service Intermediary


Vaccination APIs

Provide information to NHS Digital relating to coronavirus (COVID-19) and seasonal flu 2020-21 vaccinations.

Community health GP / Primary Care Appointment / Scheduling Vaccination MESH API Service Intermediary