Reference

Page	Use it to
Glossary	Look up a word IDM uses, such as gateway, offer, relay or snapshot
Error messages and codes	Find what a message or code means and what to do
Delivery states	See every internal state of a delivery and who can move it on
Vehicle types	See the vehicle catalogue and each type's limits
Tracking statuses	Understand the status a sender or recipient sees
Webhook events	See every event a tenant system can receive

The error codes, delivery states and vehicle types are generated from IDM's own source on every build of this manual, so they always match the running system's version.