I liked that the aggregator had an easy-to-use API. So, what I did was: I logged in rather quickly, added the shop I needed and customized payments according to my needs. Which took me minimum effort. I didn't have to deal with various services, which I am anyway not good at and could have easily get lost in them. As I am a newbie in the field of cryptocurrency, it suits me that paykassa does everything by itself. The only inconvenience happens when you want to take money. I had this problem several times. I need to get money ASAP and at the end I get delay. Guys, it's not how one should do business.

It's great to see Cryptocurrency payment processor/service, since it's dominated by BitPay and Coinbase. But i've few questions :
1. Do you accept/support 0-confirmation transaction when user pay sufficient fees?
2. Does your services support payment from Bech32/native address (Bitcoin) and shielded address (Zcash)?

I tried using/testing the "payment form example" and it appears there's an issue:
- I chose "PayKassa" as payment option, but it keeps choosing "Payeer" instead.

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Also you might want to consider having everything in a single window.

Still on ICO phase?
I wasnt expecting to see codes when i do click out that Developers https://paykassa.pro/developers/ 

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Hell No!

http://i68.tinypic.com/2kf1vr.png