We have detected that you are using Internet Explorer to visit this website. Internet Explorer is now being phased out by Microsoft. As a result, NHS Digital no longer supports any version of Internet Explorer for our web-based products, as it involves considerable extra effort and expense, which cannot be justified from public funds. Some features on this site will not work. You should use a modern browser such as Edge, Chrome, Firefox, or Safari. If you have difficulty installing or accessing a different browser, contact your IT support team.
Use this API to access the Personal Demographics Service (PDS), the national electronic database of NHS patient details such as name, address, date of birth, related people, registered GP and NHS number.
search for patients
check that you have the correct NHS number for a patient
For some activities, the end user must be authorised to perform that activity.
The API itself does not perform any authorisation checks. Rather, the calling system is expected to perform them. The authorisation rules are specified in our national Role Based Access Control (RBAC) database.
For more details see:
the PDS Integration Requirements document in the 'additional guidance' section below
the RBAC guidance document in the 'additional guidance' section below