8 alternatives to Flatpay in Payment Gateways, ranked by our editorial score. Compare pricing, free tiers, and best-fit guidance side by side.

| Tool | Score | Starting Price | Free Tier | Best For | |
|---|---|---|---|---|---|
| Stripe | 75 | — | Online businesses, SaaS startups, and platforms that want a flexible, developer- | Compare vs Flatpay → | |
| Adyen | 71 | Free | ✓ | Adyen is best for established enterprises, high-volume retailers, and platforms | Compare vs Flatpay → |
| BitPay | 70 | Free | ✓ | Businesses that want to accept Bitcoin, Ethereum, or stablecoins and convert the | Compare vs Flatpay → |
| Paddle | 69 | Free | ✓ | SaaS and software startups that want to sell globally without dealing with the o | Compare vs Flatpay → |
| Braintree | 67 | Free | ✓ | Merchants who need a single payment gateway to accept both card payments and Pay | Compare vs Flatpay → |
| Mollie | 66 | Free | ✓ | European ecommerce and SaaS businesses that primarily sell to Dutch, Belgian, or | Compare vs Flatpay → |
| Paystack | 64 | Free | ✓ | Nigerian and other African businesses looking for a reliable, developer-friendly | Compare vs Flatpay → |
| Coinbase Commerce | 63 | Free | ✓ | Crypto-native merchants and small businesses who want a free, self-custodial pay | Compare vs Flatpay → |
Best for: Online businesses, SaaS startups, and platforms that want a flexible, developer-
⚖️ Flatpay vs Stripe →Best for: Adyen is best for established enterprises, high-volume retailers, and platforms
⚖️ Flatpay vs Adyen →Best for: Businesses that want to accept Bitcoin, Ethereum, or stablecoins and convert the
⚖️ Flatpay vs BitPay →Best for: SaaS and software startups that want to sell globally without dealing with the o
⚖️ Flatpay vs Paddle →Flatpay uses transparent per-transaction pricing with no setup, monthly, or hidden fees. You simply pay a fixed percentage per transaction, which varies by country and card type.
Flatpay is active in Germany, Denmark, Italy, France, Finland, the Netherlands, and the United Kingdom. Merchants outside these markets cannot currently sign up.
Flatpay offers daily payouts, so funds from transactions are typically transferred to your business bank account the next business day. This helps maintain a steady cash flow.
Yes, Flatpay provides a POS solution for in-person card payments and an online payment gateway for e-commerce. This makes it a versatile option for omnichannel businesses.