Giving AI a Credit Card Is Still Painful

30 Sept 2026 · 9 min
8:30

Hamel Husain and Isaac Fyeth demo Mercury's agent card, a virtual credit card for AI with a $100 monthly limit. The AI struggles to enter a coupon code, the browser UI appends instead of replaces characters, and payment triggers multiple approval prompts before finally succeeding. The process works but feels clunky and time-consuming.

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