I am a US citizen in the same situation with Wex. These guys have been completely unresponsive knowing I'm in the US. The BTC-E guys had a tough break with the FBI raid but these new guys in Singapore have flat out stolen my money. Account locked, no method to verify and no response to tickets.
I know it sucks but I would be blaming the US gov on that one, I think its fair that wex not trade with US citizens,
This has been an ongoing issue for US residents in the crypto space.
In particular the lockout regarding ICO's
Hope it all turns around for you Americans - Things are looking better that Obama, Clinton, Bush era is finally being shut down
Along with their funding - 11 Saudi Princes
And thier Manchurian candidates run by the CIA - Robert Mugabe and Kim Jong-il
Hollywood elitism going as well
Exposure of Prescott Bush (Nazi ammunition and banks), Georg H W Bush in Dallas Texas Nov 22 1963
In our country the CIA removed one of our duly elected politicians in the past.