Payment
Gateway
Checklist
Integrate online payments with clear checkout, security, failure handling, refunds and reconciliation.
What Matters First
Choose a provider that supports required countries, currencies and payment methods.
Use hosted or tokenized payment flows rather than storing sensitive card data directly.
Payment Integration
May 5, 2026
Planning the Implementation
Explain totals, taxes, recurring terms and refund policies before confirmation.
Handle cancelled, failed, delayed and duplicate payment states clearly.
Operating It Successfully
Connect successful transactions to orders or invoices with reliable identifiers.
Test refunds, webhooks and reconciliation before accepting live payments.
