WebhooksFulfill once
Crypto payment webhooks: fulfill each order only once
Build a reliable crypto payment webhook receiver: verify signatures, persist events, deduplicate retries, and prevent duplicate order fulfillment.
Read articleGuides for accepting crypto payments
Merchant guides, comparisons and operations playbooks.
Expired?Check first
Expired crypto payment invoices: what merchants should do
Handle an expired crypto invoice without charging twice: distinguish unsent, pending and late payments, verify receipt, and resolve the original order.
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RefundsCheck first
Crypto payment refunds: a safe merchant checklist
Refund crypto payments with a verified destination, clear asset and fee rules, duplicate-send controls, and a receipt linked to the original order.
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ReconcileOrders to wallet receipts
Crypto payment reconciliation: a daily close checklist
Match crypto orders to verified wallet receipts, separate transfers from revenue, and close each day with an auditable reconciliation checklist.
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Payment amountsUnderpaid or overpaid
Crypto payment underpayments and overpayments: a merchant playbook
Handle underpaid, overpaid and late crypto payments with a merchant decision table, safe refund checks and idempotent fulfillment controls.
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Arbitrum OneMerchant guide
How to Accept Crypto Payments on Arbitrum One: Merchant Guide
Learn how to accept crypto payments on Arbitrum One, including native USDC verification, ETH gas, wrong-network prevention, webhooks, refunds, and reconciliation.
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BNB ChainMerchant guide
How to Accept Crypto Payments on BNB Chain: Merchant Guide
Learn how to accept BNB and stablecoin payments on BNB Chain, with practical guidance on gas, BEP-20 verification, checkout, webhooks, refunds, and reconciliation.
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BaseMerchant guide
How to Accept Crypto Payments on Base: Merchant Guide
Learn how to accept USDC and other supported crypto payments on Base, including wallet setup, ETH gas, token verification, webhooks, refunds, and reconciliation.
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ETH checkoutPricing, gas, confirmations
ETH Checkout Operations: Pricing, Gas, and Confirmations
Plan a reliable ETH checkout: choose a pricing model, handle Ethereum gas and confirmations, prevent wrong-network payments, and define refund controls.
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