Service not working after signing up for account

Hi,

 We signed up and paod for an account on Friday. We're still getting the calls exceeded error:

<error>

<messages>

<message>

Exceeded developer limit configuration - 
</message>

<message>

Is Developer Suspended - true 
</message>

</messages>

</error>

I tried adding another app with a new key but I get the same error. Help!