SaaS & Billing
Service Credit
A refund or account credit issued automatically when an SLA tier is breached. Typical schedule: 10% credit at 99–99.9% monthly uptime, 25% at 95–99%, 50% below 95%.
Source
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.