Billing, explained.
Practical guides on pricing models, usage billing, payment recovery, and the operations of charging money for software. Written to answer real questions, kept current.
Billing migration checklist: switch without breaking renewals
A step by step checklist for moving subscriptions, customers, and invoices to a new billing platform without double charging anyone or losing a renewal.
Failed payment recovery: what actually moves the number
Why subscription payments fail, which retry and dunning tactics recover real revenue, and how to build a recovery process customers do not hate.
How to price an API product
How to price an API: pick the billable unit, size the free tier, shape tiered and volume rates, and keep developers trusting the meter.
Prepaid credits vs subscriptions: when to sell a balance instead of a plan
When prepaid credits beat a subscription, when they do not, and the wallet mechanics that make them work: conversion rates, auto top up, low balance alerts.
Proration, explained with actual numbers
What proration really means on a subscription invoice: the math for upgrades, downgrades, and mid cycle changes, worked through with real numbers.
Token based pricing: a practical guide for AI products
How to price an AI product by tokens: input vs output rates, hybrid plans, prepaid credits, and the billing mechanics that keep sub cent math exact.
Usage based pricing: the models that work, with examples
The five usage based pricing patterns that show up in real products, with worked examples, the tradeoffs of each, and how to pick one without guessing.