Expansion revenue is the incremental revenue earned from your existing customer base, driven by plan upgrades, additional seats, new modules, or increased usage. It is a key indicator of product value and a driver of NRR above 100%.

Example: A customer starts on a $500/month plan and after 6 months upgrades to a $1,200/month plan and adds a premium support package. The $700/month increase is counted as expansion revenue.