Add E-Signatures to Remix

// app/routes/api.send-contract.tsx
import { ActionFunctionArgs, json } from "@remix-run/node";

export async function action({ request }: ActionFunctionArgs) {
  const body = await request.json();
  const res = await fetch("https://signb.ee/api/send", {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.SIGNBEE_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify(body),
  });
  return json(await res.json());
}