Background Information:
Hello, our organization is very new to utilizing FHIR into our Production environment so our team has been attempting to establish a connection to our Sandbox environment:
authorization.sandboxcerner.com
We've been attempting to follow the Authorize on Behalf of a System with our newly whitelisted System Application:
Client id: 942bdd4d-eb2a-464c-a1c3-67eb23104648
Tenant id for our Sandbox: a8691d32-b3a7-46d8-980d-d35a4f7a9f4f
We're not entirely certain what to include in our Header/Body/Param segments in Postman:
Body--

Param--
Empty
Header--

Expected Result:
Access Token with 200 OK
Actual Result:
{
"error": "invalid\_client",
"error\_uri": "https://authorization.sandboxcerner.com/errors/urn%3Acerner%3Aerror%3Aauthorization-server%3Aoauth2%3Atoken%3Ainvalid-client-credentials/instances/0945bec0-c337-4191-a2a9-ac4e6cef0a1b?client=unknown&tenant=a8691d32-b3a7-46d8-980d-d35a4f7a9f4f"
}
X-Request-Id
/ Cerner-Correlation-Id
/ opc-request-id
: f9390633-49f9-4824-bc3b-8a11fbb95a61
Date/time of the example
: 9/18/2024 | 3:35pm CDT
