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Explore our blogs with the latest industry news and on-topic insights for payments, fuel cards, fleets, and employee benefits. 

what is a letter of medical necessity
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What is a letter of medical necessity and when do you need one?

February 25, 2026

When it comes to using pre-tax health accounts like health savings accounts (HSAs), flexible spending accounts (FSAs), and health reimbursement arrangements (HRAs), you may assume that all medical expenses are automatically covered. However, certain expenses require additional documentation to be considered eligible. That’s where a letter of medical necessity (LMN) comes in. If you’ve ever […]

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WEX Tech Blog

WEX: Global commerce platform. Our software engineering teams build seamless, AI-powered, data-rich solutions that simplify business, boost customer potential.
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Discover ways to prevent fleet card fraud for your business.
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HSAs

Spend. Save. Invest. Learn more about the many perks for employers and participants when they choose a health savings account (HSA).
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Benefits Buzz Podcast

Spend. Save. Invest. Learn more about the many perks for employers and participants when they choose a health savings account (HSA).
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Open enrollment

It’s that time of year HR professionals always circle on their calendars. Get insights on how to set yourself up for success with your upcoming open enrollment.
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Employee wellness

Mental, physical, and financial health are key employee wellness drivers that will help you retain the best employees. Find out what’s trending in employee wellness benefits.
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Electric vehicles

Are you moving your fleet to electric? Get the latest information on energy transition trends, EV insights, and legislation.
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Trucking management

Get insights on how to build greater savings, security, and control into your trucking fleet business operations. From fueling, to maintenance, to data generation and analysis, these posts will help you drive improvements for any size trucking business.
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Small business growth

Small-business owners face unique challenges in building growth and scale. We’ve got you covered! Check out blog content to empower you to make the best decisions for you and your business.
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Travel payments

Your source for travel payments tips and information. This blog covers digital payments, virtual cards, and other trends that are shaping your day-to-day so you can stay ahead of the curve.
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WEX newsroom

From product developments to customer awards, learn more about how WEX is simplifying the business of running a business. For investor relations news, go to ir.wexinc.com/news.
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WEX culture

No matter how tangled, hectic, or complex the business challenge, WE GOT THIS! Learn more about the unstoppable, undeniable employee culture we have at WEX.
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Supplier onboarding

Are you looking for ways to increase supplier acceptance of your payments? Get the insight you need to maximize your supplier enablement efforts and simplify the process for you and them.
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AP revenue generation

Unlock the potential of accounts payable (AP). Learn tips and tricks to help you save money and create more rebate value.
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