curl --request POST \
  --url https://api.leokit.dev/save-transaction \
  --header 'Api-Key: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "quote_id": "01936b4a-7c8e-7890-abcd-ef1234567890",
  "tx_hash": "0xa1b2c3d4e5f67890abcdef1234567890abcdef1234567890abcdef1234567890"
}
'

{
  "message": "Transaction saved successfully"
}