For Business

For Shoppers

For Business

For Shoppers

For Business

For Shoppers

GROW YOUR BUSINESS WITH HSA/FSA

Become a Flex Partner

Help the health and wellness brands in your network accept HSA/FSA payments seamlessly at checkout, while Flex handles eligibility and compliance with ease.

Partner With Flex

Why partner with Flex?

INCREASE REVENUE

Up to +30% higher conversion and +50% higher AOV when shoppers pay with pre-tax HSA/FSA dollars.

WORKS OUT-OF-THE-BOX

Real-time HSA/FSA eligibility checks and seamless checkout integration with no extra setup required.

COMPLIANCE HANDLED

Flex automates Letter of Medical Necessity’s (LMNs), receipts, and substantiation from purchase to return.

Expand your revenue

Join a growing ecosystem of agencies, consultants, and technology providers helping health and wellness brands unlock the $150B HSA/FSA market

Collaborate to win

We work closely with agencies, consultants, and technology partners on shared opportunities, integrations, and merchant referrals.

Earn and grow together

Access referral rewards, co-marketing opportunities, and joint go-to-market initiatives that help you scale your impact.

Partner with confidence

Get responsive support, resources, and go-to-market alignment from a team that’s invested in your success.

Deliver proven results

Empower your clients to increase conversion by 30% and AOV by 50% while Flex handles all compliance and complexity.

Who partners with Flex?

Agencies & Consultants

Ecommerce agencies, brand consultants, and industry connectors who work with or advise health, wellness, beauty, fitness, recovery, and supplement brands and want to help clients unlock new revenue through HSA/FSA payments.

Agencies & Consultants

Technology & Platform Partners

Shopify apps, commerce platforms, and SaaS tools that integrate with or complement Flex to enhance the health and wellness shopping experience—at checkout or any point within the customer journey.

Technology & Platform Partners

Shopify apps, commerce platforms, and SaaS tools that integrate with or complement Flex to enhance the health and wellness shopping experience—at checkout or any point within the customer journey.

Technology & Platform Partners

Shopify apps, commerce platforms, and SaaS tools that integrate with or complement Flex to enhance the health and wellness shopping experience—at checkout or any point within the customer journey.

Strategic & Commerce Partners

Networks, distributors, and service providers supporting health, fitness, and wellness merchants—collaborating with Flex on shared go-to-market opportunities.

Strategic & Commerce Partners

Networks, distributors, and service providers supporting health, fitness, and wellness merchants—collaborating with Flex on shared go-to-market opportunities.

Strategic & Commerce Partners

Networks, distributors, and service providers supporting health, fitness, and wellness merchants—collaborating with Flex on shared go-to-market opportunities.

Let's Grow Together

Partner with Flex to help health and wellness brands unlock the power of HSA/FSA payments. Tell us a bit about your business, and our team will reach out shortly.