Opayo vs. Stax
A side-by-side comparison based on G2 review data.
| Metric | Opayo | Stax |
|---|---|---|
| Overall rating | 4.2 | 4.8 |
| Review count | 35 | 12 |
| Ease of use | 8.7 | 10.0 |
| Ease of setup | 8.0 | 10.0 |
| Quality of support | 8.2 | 9.6 |
| Meets requirements | 8.8 | 9.6 |
| NPS | 46.875 | 100 |
| Small Business | 71.4% | 91.7% |
| Mid-Market | 28.6% | 8.3% |
| Enterprise | 0.0% | 0.0% |
| Total page views | 230 | 258 |
| Total LLM citations | 129 | 1,956 |
Opayo
Opayo is the new name for Sage Pay. We are one of the UK’s most trusted payments providers, helping businesses grow and accept payments from customers. In 2019, our gateway processed £40bn worth of card payments for over 50,000 merchants, online and in-store.
Stax
Stax is an all-in-one payment technology platform built for businesses that have outgrown flat-rate processors. With subscription-based pricing and 0% markup on direct-cost interchange, Stax saves businesses up to 40% on payment processing fees — no hidden costs, no percentage markups. The platform includes Stax Pay for in-person, online, and mobile payment acceptance; Stax Bill for automated recurring billing and invoicing; CardX for compliant credit card surcharging; and Stax Connect, an embedded payments solution that enables SaaS companies and ISVs to integrate full-stack payment