curl --request POST \
  --url https://eu.sequencehq.com/api/credit-notes/{creditnote}/line-items \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '{
  "creditNoteId": "af60cab3-812d-4250-a051-0fb7133a00c7",
  "groupId": "cd11218d-fa00-4faa-8684-a43113d076a8",
  "lineItemId": "af60cab3-812d-4250-a051-0fb7133a00c7",
  "title": "Ferraris",
  "description": "Red",
  "quantity": "2",
  "rate": "20000.10",
  "taxRate": "0.2",
  "rateDisplay": "ABSOLUTE",
  "externalIds": [
    {
      "key": "Xero",
      "value": "123"
    }
  ]
}'

{
  "id": "af60cab3-812d-4250-a051-0fb7133a00c7",
  "creditNoteId": "af60cab3-812d-4250-a051-0fb7133a00c7",
  "groupId": "cd11218d-fa00-4faa-8684-a43113d076a8",
  "lineItemId": "af60cab3-812d-4250-a051-0fb7133a00c7",
  "title": "Ferraris",
  "description": "Red",
  "quantity": "2",
  "rate": "20000.10",
  "taxRate": "0.2",
  "index": 2,
  "priceId": "fe2fcd0b-4c53-45c7-b2ae-b6c1a7d21e95",
  "netTotal": "20000.00",
  "totalTax": "2000.00",
  "grossTotal": "22000.00",
  "rateDisplay": "ABSOLUTE",
  "externalIds": [
    {
      "key": "Xero",
      "value": "123"
    }
  ]
}