# Messaging

Integration messages from your systems (manifests, milestones, device updates and partner messages).

 - [POST /external/messages](https://docs.trackonomy.com/external-api/trackonomy-external-api/messaging/post-messages.md): **Send an integration message to Trackonomy.** One endpoint carries several message types. Send the message's own payload as the JSON body; do not wrap it in another object. ### Choosing the message t