1
Subscription and recurring-revenue billing built on Stripe's payment rails
Online businesses with development capability that want a published, no-negotiation starting rate — especially SaaS and subscription businesses using Billing, platforms and marketplaces needing split payments and seller payouts, and businesses with large-ticket invoices that can route to ACH and benefit from the $5.00 cap.
View profileCompareOfficial site ↗0.7% of Billing volume (pay-as-you-go, USD, US site) on top of payment processing fees · free tier: None. No setup, monthly or closure fees on standard pay-as-you-go, but Billing is charged from the first transaction at 0.7% of Billing volume.High confidence 2
Free ecommerce storefront tied to Square payments and POS
Hybrid businesses selling online and in person that want a single vendor for storefront, invoicing and payouts — especially service businesses invoicing larger amounts via capped 1% ACH, low-dispute mainstream categories, sellers under roughly $12k/mo online wanting zero fixed cost, and developers wanting SDK checkout at 2.9% + 30¢ without underwriting negotiation.
View profileCompareOfficial site ↗Not published — Square Plus is paid per active location; exact per-location dollar figure not confirmed on the vendor plans page · free tier: Square Free — no monthly subscription cost; you only pay processing fees when you take a payment, with all POS modes and Square Banking includedHigh confidence 3
Free invoicing bundled with a PayPal Business account
Small-to-mid online sellers with mostly domestic, single-currency volume who value instant setup, no monthly commitment and consumer trust at checkout; also hybrid sellers needing a cheap in-person rate, invoice-based service businesses, and merchants needing mass payouts alongside acceptance.
View profileCompareOfficial site ↗Pay by Bank (ACH) 1% with a $10 fee cap per invoice payment · free tier: Invoicing itself is free — no monthly fee and no per-invoice fee; included with any PayPal accountHigh confidence 4
Licensed acquirer and payments platform for global omnichannel merchants
Established cross-border online and omnichannel merchants with meaningful card volume (realistically seven figures annually or more), in-house developer resources, and a need for interchange pass-through pricing plus deep local payment methods across multiple currencies.
View profileCompareOfficial site ↗$0.13 fixed processing fee plus Interchange++ + 0.60% per Visa/Mastercard transaction (indicative) · free tier: None — no self-serve signup or free plan; no monthly, set-up, integration or closure feesHigh confidence 5
Merchant-of-record billing and tax compliance for software companies
Software, SaaS, app and digital-goods businesses selling internationally with typical order values comfortably above $10 and no in-house tax function, who would rather pay a visible 5% than register and file VAT/GST across many jurisdictions.
View profileCompareOfficial site ↗5% + 50¢ per Checkout transaction (Pay-as-you-go) · free tier: No monthly fee — zero fixed cost to start; ProfitWell Metrics advertised as freeHigh confidence 6
Interchange-plus payment processing for US and Canadian SMBs
US or Canadian online or omnichannel businesses doing roughly $25K+/month in card volume with low return and chargeback rates, selling one-time purchases, and able to invoice a meaningful share of revenue over ACH where the $6 cap saves the most.
View profileCompareOfficial site ↗Interchange + 0.40% + 8¢ in-person / Interchange + 0.50% + 25¢ keyed & online (under $50K monthly volume) · free tier: No paid plan required — $0 monthly, statement, minimum, setup, annual PCI and cancellation fees; POS, invoicing, virtual terminal, recurring payments, checkout, storefront and payment pages included free. Costs are per-transaction only.High confidence 7
Developer-first PayPal gateway for cards, wallets and ACH
US-centric online businesses with developer resources and meaningful volume whose customers use PayPal and Venmo, and pre-approved 501(c)(3) nonprofits seeking a below-standard rate.
View profileCompareOfficial site ↗2.89% + $0.29 per card/wallet transaction (US standard merchants) · free tier: None — transaction pricing only, no free plan; use is subject to eligibility, application and approval by PayPalHigh confidence 8
API-first card and ACH processing for merchants and platforms
Established US or Canadian online businesses processing roughly $1M+ annually with low decline and refund rates, and software platforms or marketplaces with in-house developers that want to monetise payments for their own sub-merchants with onboarding, KYC/KYB/OFAC and split payouts built in.
View profileCompareOfficial site ↗USD $250.00/month membership (direct-merchant Standard tier, US) plus 0.00% + $0.15 per Visa/Mastercard/Discover transaction with interchange passed through · free tier: None for live processing; free sandbox account and public API documentation availableHigh confidence 9
Global business accounts, FX, cards and payouts in one platform
Multi-currency online businesses where FX markup outweighs the card rate, and finance teams that want processing, business accounts, corporate cards and billing on one login with Xero/QuickBooks or NetSuite sync.
View profileCompareOfficial site ↗USD $12 per user/month (Grow) plus an unpublished platform fee based on team size · free tier: Explore — $0 per user/month: 20+ currencies to collect and hold, interbank FX access, free batch transfers to 120+ countries, unlimited multi-currency corporate cards, expense management and bill pay, invoicing, Xero/QuickBooks sync; limited to 10 free Spend usersHigh confidence 10
Merchant-of-record payments and tax compliance for digital products
Solo founders and small software teams selling digital products or SaaS subscriptions at $20+ to a global audience, who would rather pay ~5-10% of gross than register for VAT and sales tax across dozens of jurisdictions.
View profileCompareOfficial site ↗5% + 50¢ per transaction (no monthly fee) · free tier: Free to start with no trial, no contract and no monthly charge for ecommerce features; email marketing free up to 500 subscribersHigh confidence How this category is scored
Every platform here is scored against the same five components. The Expert Assessment component uses a rubric written specifically for payment providers.
Regulation & Safeguarding
Licences, safeguarding of funds and jurisdictional coverage.
Fees
Headline and hidden costs, FX margins, thresholds.
Payout Reliability
Reported failures, freezes, holds and resolution times.
Market Coverage
Countries, currencies and payment methods supported.
Integration
APIs, accounting and commerce connectivity.
Support
Access to a human when money is stuck.
Transparency
How clearly terms, limits and pricing are published.
Sources currently active: Product Hunt, Apple App Store, Google Play, Vendor Documentation, TOP10 Editorial Research, TOP10 AI Visibility Panel, TOP10 Citation Discovery, TOP10 Ratings Refresh, VIZS AI Visibility, TCS Citation Intelligence, G2, Trustpilot, Capterra, TrustRadius, Software Advice. How sources are weighted.