I'm reading Terms and Conditions of a certain website:

you will be liable to pay the difference

I want to avoid such option.

I want to pay base price without being liable.

I want to have an account and create virtual card for each transaction.

So that I authorise just enough, without risking that they will shave every penny off me...

Some links I've managed to find:

Is there a company offering such service?

closed as off-topic by unor, Nicolas Raoul Nov 7 '16 at 8:53

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  • Whatever software you use, you will need a financial institution to back your new credit card number, right? Cheers! – Nicolas Raoul Nov 7 '16 at 8:58
  • 1
    Sorry, I meant... What financial institution will do this for me? (that has backend infrastructure and software integrating in my browser) – Mars Robertson Nov 7 '16 at 9:53

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