3 ms·American Express has no limit as long as you pay it back ASAP.by camwest 15y agoAmerican Express has no limit as long as you pay it back ASAP.Ecio78 15y agoi dont know if i'll have/use without fears a credit card with no limits... :)hboon 15y agoGenerally yes, but a country's central bank may prohibit that. Singapore's for example does that.