The in-app UPI feature on the Coin app allows investors to make payments for mutual funds without switching to external payment apps like GPay, PhonePe, Paytm, BHIM, etc. To use in-app UPI payments, users need to register with their primary bank account linked with Zerodha.

To set up UPI on Coin app, follow these steps:

1. Tap on Account.
2. Tap on Payments.
3. Tap on UPI.
4. Select the number that is linked with the primary bank account if there are dual sims.
5. Tap on Send SMS.
6. Read important safety checkpoints and tap on OK, I UNDERSTAND.
7. Bank accounts linked to the phone number will be displayed. Select the primary bank account linked to Zerodha and tap on Continue.

First-time users can also set up UPI while making payments for purchases via the coin app. Ensure to register the primary bank account linked with Zerodha for in-app UPI. A KYC registration error may be displayed if any banks other than the primary bank linked with Zerodha are registered. Once UPI is registered to the primary bank account linked with Zerodha, investors can make payments using in-app UPI. To learn more, see How to make payments using in-app UPI?