Shopify + NeutronEDI

import express from "express";

const app = express();
app.use(express.text({ type: "application/edi-x12" }));

const NEUTRON_KEY = process.env.NEUTRON_API_KEY;
const SHOP = process.env.SHOPIFY_STORE;          // e.g. acme-co.myshopify.com
const SHOPIFY_TOKEN = process.env.SHOPIFY_TOKEN; // Admin API access token

async function translate(rawEdi) {
  const res = await fetch("https://api.neutronedi.com/api/v1/read/x12", {
    method: "POST",
    headers: {
      "X-API-Key": NEUTRON_KEY,
      "Content-Type": "application/edi-x12",
    },
    body: rawEdi,
  });
  if (!res.ok) throw new Error(`Read API ${res.status}: ${await res.text()}`);
  return res.json();
}

async function createShopifyDraftOrder(po) {
  const res = await fetch(
    `https://${SHOP}/admin/api/2025-01/draft_orders.json`,
    {
      method: "POST",
      headers: {
        "X-Shopify-Access-Token": SHOPIFY_TOKEN,
        "Content-Type": "application/json",
      },
      body: JSON.stringify({
        draft_order: {
          note: `EDI 850 ${po.poNumber}`,
          tags: "edi,inbound-850",
          line_items: po.items.map((item) => ({
            sku: item.sku,
            quantity: item.qty,
            price: item.unitPrice,
          })),
        },
      }),
    },
  );
  if (!res.ok) throw new Error(`Shopify ${res.status}`);
}

app.post("/edi/inbound", async (req, res) => {
  const parsed = await translate(req.body);
  for (const txn of parsed.transactions) {
    if (txn.type === "850") await createShopifyDraftOrder(txn);
  }
  res.sendStatus(202);
});

app.listen(3000);

{
  "interchange": { "sender": "BIGRETAILER", "receiver": "ACMESHOP", "control": "000000789" },
  "transactions": [
    {
      "type": "850",
      "name": "Purchase Order",
      "poNumber": "BR-58291",
      "date": "2026-04-18",
      "shipTo": { "name": "BigRetailer DC #4", "city": "Reno", "state": "NV", "zip": "89506" },
      "items": [
        { "sku": "TEE-NAVY-M", "qty": 36, "unitPrice": "9.25" },
        { "sku": "TEE-NAVY-L", "qty": 24, "unitPrice": "9.25" }
      ],
      "total": "555.00"
    }
  ]
}