Idempotency

async function createOrder(organizationId, quoteId) {
  const base = `https://api.sand.etherfuse.com/organization/${organizationId}`;
  const res = await fetch(`${base}/order`, {
    method: "POST",
    headers: { Authorization: apiKey, "Content-Type": "application/json" },
    body: JSON.stringify({ quoteId }),
  });

  if (res.status === 201 || res.status === 200) return res.json();

  const problem = await res.json();
  if (problem.type === "https://docs.etherfuse.com/ramp/v2/errors/conflict") {
    return fetch(`${base}/order/${quoteId}`, {
      headers: { Authorization: apiKey },
    }).then((r) => r.json());
  }
  throw new Error(`Create failed: ${problem.type}`);
}