It could be because of: You didn't enter the OTP code into the Codashop payment page in time (if using the Direct Carrier Billing payment method), or. The Codashop system did not receive your payment during the session time (if using Bank Transfer/E-Wallet/Convenience Store payment method).

How do I fix error code 403 on a Codashop?

Error 403. This means that your mobile number is blocked from using any kind of premium service or online transaction. Please call StarHub Customer Service and request that it be unblocked.

Is Codashop safe and legit?

And here is the answer: So they are legit. It's confirmed.