Merchant Guides
Merchant Guides
Practical resources to help you understand payment processing, choose the right solutions, and manage your account effectively.
From the ONKORE Blog
Latest Merchant Payment Insights
Practical guidance and updates from the ONKORE blog.
Card Brand3 min read
2027 Card-Brand Rule Changes: What US Merchants Need to Know
Prepare for the 2027 card-brand mandate updates. Learn how these upcoming adjustments impact your payment operations and how to maintain compliance.
Read morePayment Processing7 min read
How Does Payment Processing Work? A Guide for Businesses
Learn how payment processing works from authorization through settlement, including the roles of the merchant, payment processor, gateway, acquiring bank, card network, and issuing bank.
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PCI DSS7 min read
PCI DSS v4.0.1 Guide for Merchants | ONKORE Payments Analysis
The PCI SSC has released v4.0.1, a limited revision to the data security standard. Learn how these clarifications impact your compliance roadmap before 2025.
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