Use case · Finance & Fintech

Best Payment Processors (2026)

Online payment processing. We tested and ranked the top tools for payments & checkout based on output quality, pricing, integrations, and adoption signals.

1
▲ 0
4.5 ★

Stripe

Paid

Payment infrastructure for the internet

paymentsapi
2
▲ 230
4.4 ★

Mint Checkout

Freemium

A drop-in checkout that converts.

CheckoutPaymentsConversion

Side-by-side comparison

ToolPricingAPITop integrations
Stripepaid——
Mint CheckoutfreemiumYesshopify, stripe, paypal

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Frequently asked

What is the best payments & checkout tool?

Stripe is our #1 pick. The ranked list above shows the full top 10 with pricing and integrations.

Are there free payments & checkout tools?

Yes — check the pricing column in the comparison table. Several have free or freemium tiers.

Do these tools integrate with my existing stack?

Each tool page lists supported integrations. Most popular tools cover Slack, Google Workspace, and the major auth providers.