Payment Processors · true cost · Updated June 2026
The true cost of payment processors
What you'll actually pay. Of the 8 payment processors tools we track, 6 publish no self-serve price (quote-only). Here's every tool's entry price and its hidden-cost flags — each linked to its sourced record.
The hidden-cost picture
- No public price: 6 of 8 are quote-only (contact sales).
- Cheapest published: Authorize.net from $25/mo.
- No overage or setup fee: Authorize.net, Stax (by Fattmerchant).
As of · re-verified with each catalog refresh
Payment Processors — entry price & hidden-cost flags
| Tool | Entry price | Usage overages | Setup fee |
|---|---|---|---|
| Authorize.net | $25/mo | — | — |
| Stax (by Fattmerchant) | $99/mo | — | — |
| Adyen | Quote-only | — | — |
| Braintree (a PayPal service) | Quote-only | — | — |
| Helcim | Quote-only | — | — |
| PayPal | Quote-only | — | — |
| Square | Quote-only | — | — |
| Stripe | Quote-only | — | — |
Prices and fee terms re-verified with each catalog refresh. Last catalog update 2026-06-15. "Quote-only" means the vendor publishes no self-serve price.
Frequently asked questions
Does payment processors have hidden fees?
Across the 8 payment processors tools we track: 6 publish no self-serve price (quote-only). As of 2026-06-15.
What is the cheapest payment processor with published pricing?
Authorize.net, from $25/mo. Verified 2026-06-15.
More on payment processors
Compare all payment processors · GDPR-compliant payment processors · Open data · MCP