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Billing Custom Amount
A flexible manual payment entry block for React and Next.js with real-time validation, price-per-unit calculations, and animated totals built with shadcn/ui and Tailwind CSS.
Allow users to define their own spend with this professional custom amount entry block. Features a clean numeric input, rapid-selection presets, and smooth NumberFlow-animated total calculations. Built with TypeScript, shadcn/ui Input and Button components, Lucide icons, and Tailwind CSS. Perfect for credit top-ups, donation platforms, and volume-based enterprise billing.
Related Components
API Credits
Usage tracking and top-ups
Credit Balance
Total available funds
Checkout Summary
Order total breakdown
Coupon Code
Discount entry field
Invoice List
Past billing history
Subscription Summary
Plan and usage overview
FAQ
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