What is Underpaid Payment?
Underpaid Payment explained for crypto payment merchants using Zateway.
Underpaid Payment is a key concept in crypto payments. With Zateway, merchants use non-custodial USDT and USDC checkout across Polygon, Solana, Base, BSC, Arbitrum, Optimism so Underpaid Payment connects directly to faster settlement, lower fees, and zero chargebacks.
Why Underpaid Payment Matters for Merchants
Understanding Underpaid Payment helps you design safer checkout. Zateway keeps funds non-custodial — payments route to your wallet while you still get webhooks, payment links, and API control.
How Zateway Handles Underpaid Payment
Zateway supports production and sandbox flows so you can test Underpaid Payment safely. Use payment sessions, HMAC webhooks, and multi-chain USDT/USDC to operationalize this concept without holding customer funds.
Best Practices
Prefer stablecoins over volatile assets, verify webhook signatures, wait for sufficient confirmations, and keep private keys offline. Pair Underpaid Payment knowledge with Zateway's 1% flat fee model for predictable unit economics.