Jim Mulherin

Online payment fraud: The essential merchant guide

The merchant's guide to online payment fraud: types, where they hit the payment flow, how to control them, and how to recover false declines with Paymend.

May 7, 2026

8 Essential components for intelligent payment routing

Learn the essential components of intelligent payment routing to reduce false declines, improve authorization rates, and recover settled revenue with Paymend.

Apr 2, 2026

How to fix "transaction declined - gateway rejected"

Learn how to fix “transaction declined - gateway rejected” by identifying validation errors, rule misconfigurations, routing issues, and recovery opportunities.

Mar 20, 2026

What is a payment gateway? Definition and best practices for implementation

Learn how they differ from processors and acquirers, and best practices to reduce declines.

Mar 12, 2026

Decoding declines: A guide to understanding the causes of payment failure and boosting your approval rates

How to use decline data strategically to boost your approval rates?

Jan 8, 2026

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