saas-billkit

Full-suite billing engine for SaaS — subscriptions, credits, usage metering, invoicing, and payment gateway adapters.

This is a convenience meta-package that re-exports all @saas-billkit/* library packages. Install one package, import everything.

Install

npm install saas-billkit
# or
pnpm add saas-billkit
# or
yarn add saas-billkit

Usage

Core (subscriptions, credits, invoicing, metering)

import { SaasBillkit, createPlan, createSubscription } from 'saas-billkit'

Database Adapters

// Prisma adapter (requires @prisma/client)
import { createPrismaAdapter } from 'saas-billkit/prisma'

// Drizzle adapter (requires drizzle-orm)
import { createDrizzleAdapter } from 'saas-billkit/drizzle'

// Drizzle schema definitions
import { subscriptions, plans } from 'saas-billkit/drizzle/schema'

Payment Gateways

// Base gateway types and utilities
import { PaymentGateway } from 'saas-billkit/gateways'

// Stripe adapter (requires stripe)
import { createStripeGateway } from 'saas-billkit/gateways/stripe'

// LemonSqueezy adapter
import { createLemonSqueezyGateway } from 'saas-billkit/gateways/lemonsqueezy'

React

// React hooks (requires react)
import { useBilling, useSubscription } from 'saas-billkit/react'

// UI components (requires react + react-dom)
import { PricingTable, BillingPortal } from 'saas-billkit/ui'

Migrations

import { getMigrations } from 'saas-billkit/migrations'

Testing Utilities

import { createTestBillkit } from 'saas-billkit/testing'

Peer Dependencies

All peer dependencies are optional — only install what you need:

| Sub-path | Peer dependency | | --------------------------------------- | -------------------- | | saas-billkit/prisma | @prisma/client | | saas-billkit/drizzle | drizzle-orm | | saas-billkit/react, saas-billkit/ui | react, react-dom | | saas-billkit/gateways/stripe | stripe |

Individual Packages

If you only need a subset, install the scoped packages directly:

• @saas-billkit/core
• @saas-billkit/adapter-prisma
• @saas-billkit/adapter-drizzle
• @saas-billkit/migrations
• @saas-billkit/payment-gateways
• @saas-billkit/react
• @saas-billkit/ui
• @saas-billkit/cli

License

MIT