Let agents pay for your API. Settled on-chain in USDC.

from fastapi import FastAPI, Request
from x402 import x402ResourceServer
from x402.http import FacilitatorConfig, HTTPFacilitatorClient
from x402.http.middleware.fastapi import payment_middleware
from x402.mechanisms.evm.exact import register_exact_evm_server

facilitator = HTTPFacilitatorClient(
    FacilitatorConfig(url="https://pay.neuronto.com"))
server = x402ResourceServer(facilitator)
register_exact_evm_server(server, "eip155:8453")

routes = {
    "GET /premium": {"accepts": {
        "scheme": "exact", "price": "$0.01",
        "network": "eip155:8453", "payTo": "0xYourWallet"}},
}
pay = payment_middleware(routes, server)
app = FastAPI()

@app.middleware("http")
async def x402(request: Request, call_next):
    return await pay(request, call_next)

import express from "express";
import { paymentMiddleware, x402ResourceServer } from "@x402/express";
import { ExactEvmScheme } from "@x402/evm/exact/server";
import { HTTPFacilitatorClient } from "@x402/core/server";

const facilitator = new HTTPFacilitatorClient({ url: "https://pay.neuronto.com" });
const server = new x402ResourceServer(facilitator)
  .register("eip155:8453", new ExactEvmScheme());

const app = express();
app.use(paymentMiddleware({
  "GET /premium": {
    accepts: { scheme: "exact", price: "$0.01", network: "eip155:8453", payTo: "0xYourWallet" },
  },
}, server));