When selecting a payment gateway for your email marketing campaigns, consider the following factors:
1. Security: Ensure that the payment gateway complies with industry standards like PCI-DSS. 2. Ease of Integration: Choose a gateway that offers easy-to-use APIs and comprehensive documentation. 3. Supported Payment Methods: Make sure the gateway supports various payment methods, including credit/debit cards and digital wallets. 4. Transaction Fees: Be aware of the fees associated with transactions to avoid unexpected costs. 5. Customer Support: Opt for a provider that offers reliable customer support to resolve any issues promptly.