Payment declined many times please help

If your payment method is declined in the App Store or iTunes Store 

https://support.apple.com/en-us/HT203005

"To resolve this, add a new payment method or update the billing information for your current payment method. Your unpaid balance will be charged. Then you can make other purchases and update your apps, including free apps."

Also see Also, see these reads pertaining to a related error: 

Payment method declined in iTunes or the App Store ...

Fix 'Your Payment Method Was Declined' Error In App Store

Why do I keep getting a message that my Apple payment ...

Also, can get Apple telephone support  for help in solving your problem using this link https://getsupport.apple.com/?caller=kbase&PGF=PGF63005&category_id=SC0245&symptom_id=23362  Be patient. Sometimes Apple phone support is not available.

or use Apple Support Twitter https://twitter.com/AppleSupport. There may be and hour or so wait.

And here is how to contact iTunes worldwide support via text or chat using this link https://support.apple.com/choose-country-region/itunes After choosing your country, see the heading Tell us how we can help.

raghuvansh208 Said:

"Payment failed many times pleased help"

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With Many Failed Attempts:

Contact your Financial Institution (i.e. Bank)

Your Bank is probably seeing this as a scam of sorts, having performed so many failed attempts. So, contact your Financial Institution (i.e. Bank) and inform them that what is going on is here official.