Turn any API into a revenue stream
Monetize your APIs with blockchain payments in minutes
Transform any API into a payment-gated service using the x402 protocol. Accept micropayments on Solana, Ethereum, Base, and other chains—no complex billing integration required.
Why developers choose to402
100% FreeInteractive Setup
Modern, multi-step builder with validation and previews.
Route-Level Pricing
Price every wildcard path independently and preview total revenue.
Auth Passthrough
Forward API Keys, Bearer tokens, or custom headers without storing secrets on clients.
x402 Compliance
Auto-provision facilitators, seller accounts, and payment receipts in seconds.
From zero to paid API in 60 seconds
Our interactive CLI walks you through setup—no blockchain expertise required.
$ npx to402-cli create
🚀 to402 CLI - Scaffold an x402 Proxy Server
? Project name: my-api-proxy
? API base URL to proxy: https://api.coingecko.com
? Default price: $0.001
? Route path: /api/*
? Seller address: 0x1234...
? Network: solana-devnet
✓ Project generated successfully!
📝 Next steps:
1. cd my-api-proxy
2. pnpm install
3. pnpm devEverything you need to monetize your APIs
Built for developers who want to focus on building, not billing infrastructure.
Interactive CLI Setup
Step-by-step prompts guide you through configuration. Generate a production-ready proxy server in under a minute.
Per-Route Pricing
Set default prices and configure custom pricing for individual routes. Use wildcards like /api/* for flexible matching.
Multi-Chain Support
Accept payments on Solana, Ethereum, Base, and any EVM-compatible chain. Switch networks with a single config change.
Authentication Forwarding
Support for API Key, Bearer Token, Basic Auth, and custom headers. Your upstream API stays secure.
Real-time Dashboard
Monitor requests, track revenue, and analyze usage patterns. Beautiful charts and comprehensive analytics included.
On-Chain Receipts
Every payment is recorded on the blockchain. Full transparency and verifiability for both you and your users.
Perfect for any paid API use case
Whether you're monetizing data, AI models, or third-party APIs—to402 has you covered.
AI Model APIs
Charge per inference for your ML models. Perfect for GPT wrappers, image generation, or custom AI services.
Data APIs
Monetize market data, weather APIs, or analytics. Set different prices for real-time vs. historical data.
API Aggregators
Combine multiple APIs and charge a single fee. Add value with caching, rate limiting, and unified responses.
Premium Features
Gate advanced features behind payments. Free tier for basics, paid routes for premium functionality.
Third-Party Proxies
Resell API access with your own pricing. Add authentication, monitoring, and payment handling automatically.
Webhook Services
Charge for webhook deliveries or event processing. Perfect for notification services and real-time updates.
Ready to monetize your APIs?
Join developers already earning with to402. Start accepting crypto payments in minutes—no credit cards, no subscriptions, just pure pay-per-use.
Free forever • Open source • No credit card required