#Billing

Implement usage-based billing - define the metered unit, record events idempotently, aggregate per cycle, report to your provider, and reset - without double-counting.

A build-vs-buy guide to subscription billing software - Stripe Billing, Chargebee, Recurly, Paddle, Lemon Squeezy, and when building on Stripe is enough.

How subscription billing works - plans, customers, subscriptions, checkout, and webhooks - plus how to build it reliably with idempotent, webhook-driven access.

The SaaS billing process step by step - customer, checkout, payment, verified webhook, provisioning, renewals, dunning, and cancellation - and why every step must be idempotent.

SaaS billing explained - plans, subscriptions, usage metering, invoices, and the webhook/idempotency parts that actually matter - plus how to build it on Stripe.