PayzCore
Monitor USDT & USDC payments without touching funds
What it does
PayzCore is a non-custodial blockchain monitoring API that tracks your wallet addresses for incoming USDT and USDC transfers across five networks and sends webhook notifications. It never holds your funds. You provide watch-only xPub keys, and we derive addresses, detect transfers, and notify you. SDKs for Node.js, Python, PHP. Plugins for WooCommerce, OpenCart, WHMCS, XenForo, Shopify. Free tier available, Pro $29/mo flat.
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- APAccept payments in crypto on your website (5 lines of code)2022 · payonix.io · ▲15
- HTHow to Verify USDC Payments on Base Without a Payment ProcessorFeb 2026 · paywatcher.dev · ▲7
The Problem Nobody Talks About You want to accept a $10,000 USDC payment. You have two options: Option A: Integrate a payment processor like Coinbase Commerce. Set up an account, embed their checkout widget, handle their SDK. Pay $100 in fees (1%). Option B: Build your own blockchain listener. Learn ethers.js, subscribe to USDC transfer events, handle reorgs, confirmations, edge cases. Two weeks of work, minimum. There's no middle ground. No service that just tells you: "Yes, this specific payment arrived." Until now. https://paywatcher.dev?utm_source=hackernews
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