UPI error codes / U28
UPI response code

UPI error U28: Remitter bank not available

Official NPCI descriptionREMITTER BANK NOT AVAILABLE TECHNICAL

Raised by: NPCI UPI switch. Source: NPCI, UPI Error and Response Codes v2.9.

What it means

The payer's bank didn't respond. Its UPI systems were down, overloaded or unreachable at that moment. It's a technical decline on the bank's side, not a problem with your account.

Was money deducted?

Normally no. If your balance did drop, it's a failed transaction and must be reversed.

Type of decline

Technical: a system didn't respond or failed.

If money left your account. Under RBI's turnaround-time rules (circular DPSS.CO.PD No.629/02.01.014/2019-20, 20 September 2019), if your account is debited but the receiver isn't credited on a UPI or IMPS transfer, the bank has until the next working day (T+1) to credit the receiver or send the money back. After that it owes you ₹100 for every day of delay.

What you should do

Try again later, or pay from another bank account. Bank outages are usually short.

If you run a payments business

This is one of the few codes where a delayed retry makes sense. Track U28 per bank: a spike means that bank is having an outage and you can steer users to another account.

Related codes

XYRemitter CBS offlineIRUnable to process due to internal exception at server/CBS/etU30Debit has been failedU67Debit timeout

If it still isn't sorted

  1. Raise a complaint inside your UPI app. Every UPI app has a help or dispute option on the transaction, and it goes into NPCI's online dispute system. Keep the UPI transaction ID or RRN handy.
  2. If the app doesn't resolve it, contact your bank's grievance desk with the same reference.
  3. If your bank hasn't replied within 30 days, or you're not happy with the reply, complain to the RBI Ombudsman at cms.rbi.org.in. It's free.

Technical or business decline?

NPCI splits declines into two kinds. A technical decline means a system didn't respond or failed: a bank offline, a timeout, a switch error. A business decline means the systems worked and said no, for a reason about the account or the payment: wrong PIN, not enough money, a limit, a risk check. Retrying helps with some technical declines and almost never with business ones.

See all 216 UPI error codes →