// x402 v2 — point your resource server at Solvadorimport { paymentMiddleware } from "@x402/express" const auth = { "X-API-Key": process.env.SOLVADOR_KEY } const facilitator = new HTTPFacilitatorClient({ url: "https://api.solvador.com", createAuthHeaders: async () => ({ verify: auth, settle: auth, supported: {}, }),}) app.use(paymentMiddleware(routes, new x402ResourceServer(facilitator)))