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Safe Webhook Design

Learn safe webhook design with actionable steps, fee math, and implementation notes for Zateway.

Executive summary

Safe Webhook Design matters because payment costs, settlement speed, and custody risk directly affect margin. Zateway provides non-custodial USDT/USDC checkout on Polygon, Solana, Base, BSC, Arbitrum, Optimism with a flat 1% fee.

Why merchants care

Traditional rails introduce chargebacks, rolling reserves, and FX friction. Stablecoin checkout compresses settlement to minutes and makes unit economics predictable for internet businesses.

How to implement with Zateway

Create an account, connect a wallet, then use payment links for no-code flows or the REST API for custom checkout. Verify HMAC webhooks before fulfilling orders.

Fee and risk comparison

Cards often cost 2.9% + fixed fees plus chargeback exposure. Zateway's 1% flat fee and on-chain finality remove several failure modes while keeping funds in your wallet.

Next steps

Start in sandbox, test a full payment + webhook cycle, then go live. Explore related guides on chains, integrations, and industry playbooks.

FAQ

What is the best way to approach safe webhook design?

Start with a payment link pilot, then graduate to API + webhooks for automation.

Does Zateway hold merchant funds?

No. Zateway is non-custodial and settles directly to your wallet.

Which assets are supported?

USDT and USDC on Polygon, Solana, Base, BSC, Arbitrum, and Optimism.

Related

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