curl --request GET \
  --url 'https://sandbox.rollfi.xyz/reports#getPayBeginDates' \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "method": "getMonthlyAndSemiMonthlyPayBeginDates",
  "compensationFrequency": "Monthly"
}
'

{
  "PayBeginDates for Monthly": [
    "2025-01-01",
    "2025-02-01",
    "2025-03-01",
    "2025-04-01",
    "2025-05-01",
    "2025-06-01",
    "2025-07-01",
    "2025-08-01",
    "2025-09-01",
    "2025-10-01",
    "2025-11-01",
    "2025-12-01"
  ]
}