hdfc bank said that the net banking facility will be down for few hours as the banking is re upgrading to a new net banking platform on august 6 2023 from 12 am up till 12 pm for a smoother banking experience according to the mail sent to its customers it is our ongoing endeavor to offer you a seamless and intuitive digital banking experience to this end we are upgrading to new netbanking platform on 6th august 2023 from 12 am up till 12 pm for a smoother banking experience what will be unavailable during the periodduring the said period net banking mobile banking app services will be unavailable however you may continue banking via chatbanking on whatsapp 70 700 222 22 sms banking on 7308080808 phonebanking payzapp or mycards hdfc bank sms bankinghdfc bank customers need to register to avail sms banking service with hdfc bank sms banking you can check account balance summary apply for loans and manage your credit cardsif you wish to register can send sms register last 4 digits of customer id last 4 digits of account number to 7308080808sms your query to 7308080808 list of services that can be availedbalance enquiry cheque book request account statement request recent 7 days transactions fd summary debit card disputeview reward points convert big spends to emi credit card dispute update rekycfasttag registration open fixed deposits and morehdfc bank chat bankinghdfc bank chat banking on whatsapp offers 198 transactions and services available for you anytime anywhere this offering shall however be available only on the mobile number registered with the bank all you need to do is add the number 70700 22222 to your contacts and start a conversation by saying hi there are no charges involved for using the new hdfc chat banking on whatsappthere is only twostep registration process to avail chat banking service simply say hi or register in whatsapp from your bankregistered mobile number to 7070022222 and you will be directed through the registration procedure save the chat banking number 7070022222 in your contacts you only need a customer id and a onetime password that you received via sms to your registered cellphone number to use whatsapp chat banking