curl --request POST \
  --url 'https://edi.stateset.com/v1/edi/outbound/855/{partner_id}' \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "ack_date": "2026-07-24",
  "ack_type": "string",
  "lines": [
    {
      "ids": [],
      "line_number": "string",
      "quantity": "string",
      "status": "string",
      "status_quantity": "string",
      "unit_price": "string",
      "uom": "string"
    }
  ],
  "po_date": "2026-07-24",
  "po_number": "string"
}'