inCase Integration Documentation Help

Send Message

Use this endpoint to send a message to the clients on the case.

/api/rest/{organisationId}/messages

Send the client(s) a message

Request parameters

{ "externalCaseRef": "ABC123-1", "sender": "Barbara Jenkins", "replyTo": "john.smith@example.com", "subject": "Welcome to the App", "message": "Welcome to the App, we will use this to communicate and keep you up to date with the progress of your transaction", "sendPushNotification": true, "channel": "lawyer+thirdparty" }

Responses

{ "id": 91 }
02 July 2026