Make any API x402 compatible
Make your APIs x402 compatible and monetize them instantly
Transform traditional APIs into x402-compatible services with blockchain payments. Enable monetization and reselling of APIs with zero code changes—just proxy and go.
Why API providers choose to402
100% FreeZero Code Changes
Make any existing API x402 compatible without modifying your codebase. Just proxy and configure.
Easy x402 Integration
Automatically handle x402 protocol compliance, payment processing, and blockchain receipts.
API Reselling
Resell any API with your own pricing. Add value while earning revenue from existing services.
Public Marketplace
List your APIs in our marketplace. Enable discovery, purchase, and reselling with transparent pricing.
Discover and resell x402-compatible APIs
Browse a public marketplace of x402-compatible APIs. Find services, compare pricing, and resell APIs with your own pricing.
Everything you need to make APIs x402 compatible
Built for API providers who want to enable blockchain payments and reselling without changing their existing infrastructure.
Zero Code Changes
Make any existing API x402 compatible without modifying your codebase. Just point to your API endpoint and configure pricing.
Easy x402 Integration
Automatically handle x402 protocol compliance, payment processing, and blockchain receipts. No blockchain expertise required.
API Reselling
Resell any API with your own pricing. Add value with caching, rate limiting, and unified responses while earning revenue.
Per-Route Pricing
Set default prices and configure custom pricing for individual routes. Use wildcards like /api/* for flexible matching.
Authentication Forwarding
Support for API Key, Bearer Token, Basic Auth, and custom headers. Your upstream API stays secure and unchanged.
Real-time Dashboard
Monitor requests, track revenue, and analyze usage patterns. Beautiful charts and comprehensive analytics included.
Public Marketplace
List your x402-compatible APIs in our public marketplace. Let users discover, purchase, and resell your services.
Multi-Chain Support
Accept payments on Solana, Ethereum, Base, and any EVM-compatible chain. Switch networks with a single config change.
On-Chain Receipts
Every payment is recorded on the blockchain. Full transparency and verifiability for both you and your users.
Perfect for API providers and resellers
Whether you're making your API x402 compatible, reselling third-party APIs, or building an API marketplace—to402 has you covered.
Traditional API Providers
Make your existing REST APIs x402 compatible without code changes. Enable blockchain payments and monetization instantly.
API Resellers
Resell third-party APIs with your own pricing. Add value with caching, rate limiting, and unified responses while earning revenue.
API Marketplaces
Build a marketplace of x402-compatible APIs. Let users discover, purchase, and resell APIs with transparent pricing.
AI Model APIs
Make your AI/ML APIs x402 compatible. Charge per inference for GPT wrappers, image generation, or custom AI services.
Data API Providers
Monetize market data, weather APIs, or analytics. Make them x402 compatible and enable reselling with flexible pricing.
SaaS API Integration
Make SaaS APIs x402 compatible. Enable blockchain payments for existing services without changing your infrastructure.
Premium API Features
Gate advanced API features behind payments. Free tier for basics, paid routes for premium functionality with x402.
API Aggregators
Combine multiple APIs and charge a single fee. Make aggregated services x402 compatible and resellable.
Enterprise API Gateways
Add x402 compatibility to enterprise APIs. Enable blockchain payments and reselling for B2B API services.
Ready to make your APIs x402 compatible?
Join API providers already enabling blockchain payments and reselling with to402. Make any API x402 compatible in minutes—no code changes, no complex integration. Or explore our marketplace to discover and resell existing APIs.
Free forever • Open source • No credit card required