# Merchant resource articles from **Flex**

July 8, 2026

## [The Flex Shopify Marketing App: Product Eligibility Sync, Dynamic Badges, Smart Collections & HSA/FSA Landing Pages](/content/blog/flex-shopify-hsa-fsa-app/index.html)

The rebuilt Flex Shopify Marketing App syncs HSA/FSA product eligibility from Flex to the Shopify admin, adds dynamic product badges, and lets you build a dedicated HSA/FSA landing page from pre-built blocks—no custom development needed.

Connor Olsen

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June 23, 2026

## [Shop Pay “Pay Another Way”: A Faster Path to HSA/FSA Checkout on Shopify](/content/blog/shop-pay-pay-another-way/index.html)

Shop Pay quietly added a “Pay another way” option that lets logged-in shoppers check out with their HSA/FSA card through Flex—without dropping to a blank guest checkout. Here’s what changed and what Shopify merchants should do.

Connor Olsen

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