Square's online payments (checkout links, invoices and ecommerce integrations) at a flat per-transaction rate with no monthly fee.
Best for: Merchants already on Square in-person who want one provider across counter and online.
Pricing & fees
Pros & cons
Compare with alternatives
Online-first businesses, SaaS and marketplaces needing powerful APIs.
$400/mo
Merchants wanting instant buyer trust and a widely-recognised checkout button.
$618/mo
Australian ecommerce stores wanting a local gateway with fixed monthly plans.
$348/mo
Australian startups and SMEs wanting a simple all-in-one online rate with no monthly fee.
$382/mo
Businesses selling internationally that want multi-currency accounts and FX savings.
$391/mo
Compayr may earn a referral fee when a merchant switches via our links. This never affects rankings, which are based purely on lowest total monthly cost. Quote-only providers are never ranked as cheapest while a complete-cost option exists. Rates last verified 2026-07-19. Confirm current pricing with Square.