Case study articles from Flex

July 27, 2026

How The Pause Life Enabled HSA/FSA Subscriptions and Grew AOV 52% with Flex

When The Pause Life wanted to let customers pay with HSA/FSA funds—including on subscriptions—it chose Flex. The result: a 52% higher AOV on HSA/FSA orders, checkout completion above 80%, and a seamless experience for customers and internal teams alike.

Paul Hughes

Read

November 23, 2025

How Forme Helps Customers Improve Posture & Prevent Pain With Flex

Forme partnered with Flex to help customers recognize its posture-correcting apparel as a health solution and easily use HSA/FSA funds. Since launch, Forme has seen 18–20% higher AOV on Flex orders and over 1,000 repeat purchases.

Alex Lawton

Read

November 16, 2025

How Kindred Bravely Helps Moms Save on Nursing & Maternity Essentials with Flex

Kindred Bravely partnered with Flex to make their nursing and maternity essentials more accessible by enabling moms to pay with HSA/FSA funds directly at checkout. Since launch, the brand has processed 5,500+ Flex orders with a 23% higher AOV, helping thousands of moms save money on the products they need most.

Alex Lawton

Read

October 8, 2025

How Chilipad by Sleepme Improved Click Through Rates by 8.3%

Chilipad by Sleepme, a leader in sleep technology, wanted to make their premium cooling sleep systems more accessible to customers using pre-tax health benefits. By integrating Flex, they added HSA/FSA payments directly at checkout and launched an omnichannel campaign using Flex’s marketing guides—helping convert interest into action.

Alex Lawton

Read

October 6, 2025

How AMMD by Amy Myers MD increased AOV by 2.5X with Flex

AMMD by Amy Myers MD, a supplements company, grew their Average Order Value (AOV) by by 2.5X when they started accepting HSA and FSA payments.

Alex Lawton

Read

October 1, 2025

How Airdog improved their conversion rate by 20% integrating Flex

Within the first two months of launching Flex, Airdog saw a 20% lift in overall conversion rates, directly addressing the sales barrier that had been limiting growth. In addition, Average Order Value (AOV) increased by 10%, as customers were able to invest in higher-end models. Payments through Flex ultimately made up 10-15% of Airdog’s revenue.

Paul Hughes

Read

September 24, 2025

How an Orthopedic Shoe Company Boosted AOV by 20% with Flex

By listening to their customers, this company created a better orthopedic shoe and increased their AOV too.

Alex Lawton

Read

October 7, 2024

How Nanobébé Helps Parents Easily Use Their HSA/FSA Funds with Flex

Nanobébé integrated Flex to offer parents a seamless way to use their HSA and FSA dollars directly at checkout, reducing friction and boosting customer confidence. After announcing the feature, their email achieved a 42% open rate and drove orders with an average order value 60% higher than their site’s typical AOV.

Sam O'Keefe

Read

September 8, 2024

A Health Win: Trainwell Increases Trial Conversions by 20% by Accepting HSA/FSA Payments

Trainwell stands alone by offering affordable personalized workout plans 🏋🏻, one-on-one online training, and the option to pay with HSA and FSA.

Sam O'Keefe

Read