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What is SolvaPay SDK?

SolvaPay SDK helps you monetize APIs, AI apps, and MCP servers with a type-safe API. You can protect endpoints with paywalls, check purchases, and run checkout flows from one SDK.

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Core capability

Protect routes and tools with one pattern: 
// Express.js
app.post('/tasks', payable.http(createTask))

// Next.js App Router
export const POST = payable.next(createTask)

// MCP Server
const handler = payable.mcp(createTask)

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Headless React components

Build beautiful payment flows with headless React components that work with any design system: 
import { PaymentForm, usePurchase } from '@solvapay/react'

function CheckoutPage() {
  const { hasPaidPurchase } = usePurchase()

  return (
    <PaymentForm
      planRef="pln_premium"
      productRef="prd_myapi"
      onSuccess={() => router.push('/dashboard')}
    />
  )
}

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Why teams use it

  • Single server API for Node and Edge runtimes
  • CLI setup with npx solvapay init
  • Headless React components for checkout flows
  • Built-in auth adapters and Next.js helpers

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Packages

  • @solvapay/core - Types, schemas, and shared utilities
  • @solvapay/server - Paywall protection, purchase checks, and webhooks
  • @solvapay/react - Provider, hooks, and checkout components
  • @solvapay/react-supabase - Supabase adapter for React
  • @solvapay/auth - Auth adapters and server helpers
  • @solvapay/next - Next.js route helpers

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Next Steps