SaaS & Billing
Retry Policy
The rules governing how a system retries failed operations — maximum attempts, backoff schedule, which error types are retried, and what counts as terminal failure.
Source
- Google SRE Book — Handling Overload
Related terms
MRR (Monthly Recurring Revenue)
The predictable monthly subscription revenue a SaaS earns, normalized so annual plans count as 1/12 per month.
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.