Live Examples

SkipperBrief is the reference implementation — a complete, production-style app showing EURD payments end-to-end.

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SkipperBrief — sailing weather briefings

Live: skipper.ever-online.com
Source: github.com/ever-online/skipper-brief

A marine weather AI that sells tailored sailing passage briefs for €0.50 EURD. Demonstrates the full consumer payment experience — 3-step wizard, QR code payment via the EURD wallet app, and PDF delivery.

Payment paths shown:

• Path A — direct EURO payment between managed accounts
• Path C — EURO → Algorand bridge (if the merchant has a whitelisted Algorand address)

Stack: Next.js 15, Tailwind CSS, Claude claude-sonnet-4-6, Open-Meteo Marine API

Agent endpoint (x402-protected):

GET https://skipper.ever-online.com/api/forecast?region=dutch-north-sea&boatType=sailing&boatSize=medium

Call it with withEurPayment() and it pays automatically:

import { withEurPayment } from "@ever_amsterdam/x402-euro-eurd";

const fetch = withEurPayment(globalThis.fetch, {
  apiKey: process.env.QUANTOZ_API_KEY,
  fromAccount: process.env.QUANTOZ_ACCOUNT,
});

const res = await fetch(
  "https://skipper.ever-online.com/api/forecast?region=dutch-north-sea&boatType=sailing&boatSize=medium"
);
const pdf = await res.arrayBuffer(); // returns the PDF directly