Amex blocks Curve as the fintech startup vows to fight 'anti-competitive' decision

Well, that was short-lived: Just 36 hours after Curve, the London fintech that lets you consolidate all of your bank cards into a single Curve card, re-instated support for Amex, the feature has once again been unceremoniously blocked by American Express. Going up against the deep pockets and dominant market position of American Express will undoubtedly be a "David and Goliath" battle, although, unlike two years ago, Curve is now backed by an array of investors that includes Connect Ventures and Santander. Curve's position, however, is clear: In the same email to customers, the company has called the move "anti-competitive" and says it is "entirely disproportionate and discriminatory" to Curve.