PIN codes rules?

Hello Everybody!

So we are creating codes using the Standard account (we don’t get the webhooks) and sometimes we get an error. We try 40 times in a row and it doesn’t work. Then we change the PIN to be created to a different one and it works at the first try.

Is there any rules you need to follow for a pin to be admitted? or every combination works? Could it be that is the same as an old pin? Im puzzled…


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