# Credits

On the Credits page, you can see your current credit balance and recharge your credits.

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Credits are needed for API calls and notarizations. Credits is the only thing you need, you do not need additional crypto currencies for the various target blockchains. Transaction costs are handled by Unibright ONE and are part of the charged credits.

* In the *Credit Balance* section, you see your current balance
* In the *UBT section*, you see your personal UBT deposit address. UBT you send to this address will be transformed into credits in Unibright ONE
* In the *Paypal section*, you can select different credit packages and pay with Fiat.
* In the *Deposit History section*, you see recent deposits and how they converted into credits