curl --request POST \
  --url https://api.arcuserp.com/v1/deposits/preview \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "payment_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ]
}
'

{
  "total_amount": 123,
  "line_count": 123
}