curl --request GET \
  --url https://api.sandbox.co.in/gst/compliance/tax-payer/gstrs/gstr-1/ecoma/{year}/{month} \
  --header 'authorization: <authorization>' \
  --header 'x-api-key: <x-api-key>' \
  --header 'x-api-version: <x-api-version>'

{
  "transaction_id": "41bb8041-fb83-4654-8d75-85a19f329158",
  "code": 200,
  "data": {
    "status_cd": "0",
    "error": {
      "message": "No document found in selected financial year. Either this document exists in a different financial year or the document number might have been amended earlier. Search with latest amended document.",
      "error_cd": "RET11417"
    }
  },
  "timestamp": 1776921876217
}