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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 services as well as API standards defined by us. 

6 results

Include retired APIs


Ambulance Messaging - HL7 V3 API

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

Appointment / scheduling Urgent and emergency care Ambulance services HL7 V3 API service Intermediary


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 Patient communication A&E / emergency department Ambulance services NHS 111 Internet facing FHIR R4 REST Has sandbox Uses API platform 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.

Appointment / scheduling Referrals Hospital HL7 V3 Has adaptor API service Central

Eyecare Electronic Referral Service API standard

Pass details of a new eyecare referral to an Eyecare Electronic Referral System (EeRS).

Appointment / scheduling Referrals API standard


GP Connect Appointment Management - FHIR API

Manage GP practice appointments between different systems.

Appointment / scheduling Continuity of care Hospital A&E / emergency department Inpatient Outpatient GP / primary care Urgent and emergency care Ambulance services NHS 111 FHIR STU3 REST API service Intermediary

Stable Under review

NHS Booking - FHIR API

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

Appointment / scheduling Urgent and emergency care NHS 111 Internet facing FHIR STU3 API service Intermediary