SaaS & Billing
MRR (Monthly Recurring Revenue)
The predictable monthly subscription revenue a SaaS earns, normalized so annual plans count as 1/12 per month.
Source
- Stripe — What is MRR?
Related terms
ARR (Annual Recurring Revenue)
Annualised subscription revenue, i.e.
ACV (Annual Contract Value)
The yearly value of a single customer contract, normalized to one year.
Churn
The rate at which customers cancel or downgrade.
Webhook
An HTTP POST request a service sends to a URL you control when an event happens (e.g.
Idempotency
Property of an operation that produces the same result no matter how many times it runs.
Exponential Backoff
A retry strategy where each subsequent retry waits exponentially longer than the last (e.g.