x402 Endpoints
Demos
Each demo is a live Cloudflare Worker at api.stable402.com paired with
a documented explainer page. Call the endpoints directly — no setup required.
01 Live
Basic 402 Gate
A Worker returning a proper V2 x402 response. Accept USDC on Base Sepolia via Coinbase CDP. The canonical reference implementation.
View implementation → 02 Coming Soon
Rate-Tiered Endpoint
Free tier returns a summary. The paid tier ($0.001/call, Bazaar-registered) returns the full structured dataset.
03 Coming Soon
Stripe Facilitator
The same x402 handshake, Stripe as facilitator. USDC on Base settles into your Stripe balance as fiat.
04 Coming Soon
MCP Server
An MCP server on Cloudflare Workers exposing a paid tool callable from Claude via the Payments MCP.