curl --request POST \
  --url 'https://api.stateset.com/api/v1/supplier-skus' \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "lead_time_days": null,
  "min_order_qty": null,
  "product_id": "string",
  "sku": "string",
  "supplier_id": "string",
  "unit_cost": null
}'

{
  "currency": "string",
  "id": "string",
  "is_preferred": true,
  "product_id": "string",
  "sku": "string",
  "supplier_id": "string",
  "unit_cost": null
}