Flatpay is a fintech payments platform for small and medium-sized merchants offering card terminals, flat-rate transaction processing, POS systems (inventory, tables, saved orders), mobile POS, online payments, and pay-by-link. It emphasizes transparent, flat per-transaction pricing (no monthly subscription for many offerings), hardware bundles and onboarding for POS tiers, web-based merchant p... Flatpay is listed on Findstack in the Payment Processing Software category and is used by teams ranging from freelancers to enterprise organizations.

Yes, Flatpay offers a free plan with core features at no cost. Paid plans are available when you need additional capacity, advanced features, or team collaboration. See the pricing section on this page for a full breakdown of each plan.

Is there a free trial for Flatpay?

Yes, Flatpay offers a free trial so you can evaluate the product before committing to a paid plan. Trials typically include access to the full feature set for a limited time and do not require payment details to start.

Does Flatpay provide an API?

Yes, Flatpay provides a developer API that lets you integrate it with other systems, automate workflows, and build custom connections. API documentation and access details are available directly from the vendor.

Flatpay uses custom pricing. See the Flatpay pricing page for the latest plan structure, inclusions, and a breakdown of what's available at each tier.

Flatpay

POS system and payment solutions at one flat rate for all payment methods, tailored to small and medium-sized businesses.

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Flatpay Pricing Plans, Costs & What You Get in 2026

Flatpay Pricing Plans

Free plan

Usage-based

Flatpay has 17 pricing 17 plans . A free trial of Flatpay is also available. Look at different pricing plans below and see what tier and features meet your budget and needs.

Payment Terminal (below £200,000 annual card turnover)