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R4 APIs (Millennium)

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500 responses from multiple API endpoints in the Sandbox - just started within the last couple of hours

Kevin Flynn2 days ago

Workflow or API calls:

Making API calls directly to the sandbox, we are getting 500 errors back for multiple endpoints, on the Patient, Practitioner, Schedule and Slot APIs. Is there any update on when these issues will be resolved?

Thank you

Background Information: We are unable to make any API calls to the Oracle sandbox for the Patient, Practitioner, Schedule and Slot resources - all endpoints are returning a 500 status code. This just started within the last few hours - on 2/5/26

Failure to provide answers will impact our ability to respond in a timely and effective manner
Developer questions:

Are you an OPN Member? Yes
Have you signed up to be in the Healthcare Developer Track? Yes
Are you a registered Code Program member? Not Sure
Does your App have a presence on the Oracle Healthcare App Marketplace? No

Are you developing on behalf of an Oracle Health client? No
If so, which client:

Application's Client ID and App ID, if relevant:

Expected Result: 200 OK

Actual Result: 500 Internal Server Error

{
"resourceType": "OperationOutcome",
"issue": [
{
"severity": "fatal",
"code": "exception",
"details": {
"text": "Internal service error from resource store"
}
}
]
}

X-Request-Id: /5232EC439F77EEFCF5C7CCD52CEF4F10+oCQZ_Ju9S

opc-request-id: /5232EC439F77EEFCF5C7CCD52CEF4F10/17EB0D63C17F348E85BA67934C877FA9
Date/time of the example: Thu, 05 Feb 2026 20:44:27 GMT

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