curl --request POST \
  --url https://api.onekhusa.com/sandbox/v1/disbursements/batch/getSummaryPaymentReceipt \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-Merchant-Account-Number: <x-merchant-account-number>' \
  --header 'X-Organisation-Id: <x-organisation-id>' \
  --data '{
  "merchantAccountNumber": 35253486,
  "batchNumber": 20241013
}'

{
  "documentName": "Batch Summary Payment Receipt",
  "documentBase64": "JVBERi0xLjQKJcOkw7zDtsO...",
  "contentType": "application/pdf",
  "dateCreated": "2025-10-22"
}