Dev.to
6/28/2026

What to check before adding crypto checkout to a merchant app
Short summary
Implementing crypto checkout for merchant apps requires more than a QR code. Define asset selection, settlement model, exception handling (partial/late/overpayments), and merchant records upfront. Start with hosted payment links; move to custom API only after support and reconciliation workflows are solid.
- •Crypto checkout requires decisions on accepted assets, settlement model, and exception handling before implementation
- •Establish clear operational processes for custody, reconciliation, and support flows
- •Start with hosted checkout, then graduate to custom API integration
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