get https://rtm.imiconnect.io/rtmsAPI/api/v1/apps/$(appid)/topics/$(topicid)
This API should return the topic information for a specific topicId.
Know Your Endpoint
Based on the domain you use to log in to imiconnect, the endpoint for your API varies. See the endpoint section to understand which endpoint to use for your domain.
For Topic:
The following is the error code displayed when the Topic messaging is disabled for your tenant.
{
"code": 69,
"description": "Topics based messaging feature is not available for your tenant"
}
Note
To enable the Topic messaging for your tenant, contact your account manager.