1) deleteupi**upiname.txt


2) listupi

output 
--- UPI FILES IN SPIFFS ---
Filename             | Size (Bytes)
---------------------------------------
googlepay.txt        | 185 bytes
icici.txt            | 208 bytes
okaxis.txt           | 151 bytes
---------------------------------------
Total UPI files: 3


3) viewupi**upiname.txt

output
{
  "upiname": "icici",
  "upiid": "9426045500@icici",
  "merchantname": "M/S.BONRIX SOFTWARE SYSTEMS",
  "upiurl": "upi://pay?pa=9426045500@icici&pn=M/S.BONRIX SOFTWARE SYSTEMS&tr=EZYS9426045500&cu=INR&mc=5411"
}



4) addupi**upiname**upiid**merchanname**upiurl

addupi**paytm**priyansu712423@okaxis**JAtin**upi://pay?pa=6327021083167.payswiff@indus&pn=Bonrix&cu=INR&pn=Bonrix%20Software%20Systems

addupi**googlepay**jatinmakwana5000-1@okicici**Jatin*upi://pay?pa=23443234344-1@okicici&pn=Jatin%20Makwana&aid=uGICAgMCCxpPmWA

addupi**icici**9426045500@icici**Renish-Ladani**upi://pay?pa=23232354334@icici&pn=M/S.BONRIX SOFTWARE SYSTEMS&tr=EZYS9422436045500&cu=INR&mc=5411