Trying to add a new WiFi Access-Point into a previously provisioned APIC-EM project via the REST API using post method. Below is the URL mentioned (the x-auth token-id and project-id is good because I can read the list of devices within the project).
with the request JSON body format shown in the screen-grab below
status-code = 500 "InternalError"
Version = 188.8.131.527
add "[" and "]" in begin and end of your JSON body