Stripe wins for online-first businesses, developers, and low-volume merchants thanks to its flat 2.9% + $0.30 pricing and best-in-class APIs. Stax wins for established businesses processing $8K+/month — its subscription + interchange-only model usually beats Stripe's markup at scale.
Businesses processing $8K+/month
Online-first or developer-led businesses
| Feature | Stax | Stripe |
|---|---|---|
| Pricing model | Subscription + interchange | Flat 2.9% + $0.30 |
| Monthly fee | $99–$199 | $0 |
| Developer experience | Basic | Best-in-class APIs |
| In-person hardware | Yes | Yes |
| Best for | Established SMB | Online / developer |
Typically around $8,000/month in card processing. Above that, Stax's flat fee + interchange wins on total cost.
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