rm20 credited, but no line item in transaction history.

what do you mean by return instantly?
kiplepay's T&C stated RM20 to be credited within 7 working days from the transaction date, not from ptptn side

campaign started on 25 May
deposited on 25 May
RM20 credted on 31 May

Our new privilege system rewards you handsomely for paying your bills on time - so the more you pay, the more you earn!

    1) Earn a point for every Ringgit you spend on your tabs for the first 200 successful transactions of your bills.
    2) These points can be exchanged for cash which you can spend to your whims and fancies.
    3) However! Do take not that you may not be able split your bill payment & this privilege will not be applicable if your bills are being paid via another wallet.

Redeemable Points: 200 into RM 1.00

Bills

Postpaid