Documentation
Everything you need to build with QuotaStack — from core concepts to working examples.
Quickstart
Go from zero to a working credit-based billing flow in seven API calls — create a customer, define a metric, grant credits, check entitlement, record usage.
Start building →Concepts
How credits, entitlements, metering, reservations, and more work under the hood.
Explore concepts →Use Cases
Real-world integration patterns: SaaS subscriptions, AI chat apps, generation pipelines, and API platforms — each a complete walkthrough.
Explore use cases →Cookbook
Short, task-oriented recipes for common QuotaStack patterns — plan purchase as a usage event, pack stacking, free credits on signup, and auto-buy from wallet.
Explore recipes →API Reference
Interactive reference with try-it-out for every QuotaStack v1 endpoint. Customers, credits, entitlements, subscriptions, reservations, metering, topups, webhooks.
Explore API →