Adyen vs Mercury
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both Adyen and Mercury are credible payment processing tools, and the right pick comes down to your priorities.
Adyen — Enterprise payments platform.
Choose Mercury if you'd rather have a lower starting price (free), a free plan to start on and a higher overall rating (4.7/5). Banking built for startups.
Adyen vs Mercury: side by side
| Dimension | Adyen | Mercury |
|---|---|---|
| Starting price | Custom | FreeWinner |
| Free plan | No | YesWinner |
| Pricing model | Usage-based | Free |
| Best for | Enterprise | Startups |
| Platforms | Web, Api | Web, Ios, Android |
| Rating | 4.4/5 | 4.7/5Winner |
Adyen key facts
- Vendor
- Adyen
- Pricing
- Usage-based — Custom
- Free tier
- No
- Platforms
- Web, Api
- Best for
- Enterprise
- Editor rating
- 4.4 / 5
- Founded
- 2006
- Headquarters
- Amsterdam, Netherlands
Mercury key facts
- Vendor
- Mercury
- Pricing
- Free — Free
- Free tier
- Yes
- Platforms
- Web, Ios, Android
- Best for
- Startups
- Editor rating
- 4.7 / 5
- Founded
- 2017
- Headquarters
- San Francisco, CA, USA
Frequently asked questions
Is Adyen better than Mercury?
Neither is universally better — Mercury edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Adyen or Mercury cheaper?
Mercury is the more affordable of the two to get started, at free. Adyen starts at custom; Mercury starts at free.
Can Adyen replace Mercury?
Yes for most teams — both are payment processing tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.