What is Webhook Signature?
Webhook Signature explained for crypto payment merchants using Zateway.
Webhook Signature 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 Webhook Signature connects directly to faster settlement, lower fees, and zero chargebacks.
Why Webhook Signature Matters for Merchants
Understanding Webhook Signature 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 Webhook Signature
Zateway supports production and sandbox flows so you can test Webhook Signature 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 Webhook Signature knowledge with Zateway's 1% flat fee model for predictable unit economics.