$everythingendpoint is in the FHIR standard, many other servers do not support it due to the additional complexity it adds behind the scenes. Many of our customers have requested it and we also believe in it's usefulness. Therefore any app can query
$everythingvia the 1upHealth FHIR API.
totalcount will also be available in the response so you know how many pages deep to go.
Encounterresources associated with the patient.