The strongest ACH payment APIs for vertical SaaS products in the US are Stripe, Dwolla, Plaid, Moov, Nacha-direct processors like Modern Treasury, Finix, Checkbook, Helcim, and Column. Each solves a different part of the problem. Stripe is best for teams…
For B2B SaaS companies evaluating Stripe vs Adyen, Stripe is the right default payment processor from launch through early growth, offering fast integration, predictable flat-rate pricing, and extensive developer tooling. Adyen becomes the stronger choice when a company scales past…
tldr A founder we spoke with ran a B2B SaaS tool for European HR teams. They had been on Stripe for 18 months, using a manual spreadsheet to track VAT obligations across Germany, France, and the Netherlands. When a German…
