curl --request POST \
  --url https://api.papercuts.ai/v1/amazon/cart/add \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-User-Token: <api-key>' \
  --data '{
  "items": [
    {
      "asin": "<string>",
      "quantity": 123
    }
  ]
}'

{
  "status": "ok"
}