Usage-based billing for AI and infrastructure companies. It meters events and issues invoices on top of your existing gateway. Adyen bought it in 2026.
Custom quote
online rate
Custom quote
monthly fee
Varies
payout
Built-in invoicing turns your processor into a lightweight billing tool: send a branded invoice, let customers pay by card or bank transfer, and track what's outstanding. These processors include invoicing without a separate subscription.
32 processors
Usage-based billing for AI and infrastructure companies. It meters events and issues invoices on top of your existing gateway. Adyen bought it in 2026.
Custom quote
online rate
Custom quote
monthly fee
Varies
payout
Global payment orchestration with local acquiring in 50 countries, published regional fee schedules and intelligent routing with failover.
2.9% + $0.30
online rate
$0 above $5,000 sales
monthly fee
2-day
payout
A B2B SaaS billing and revenue operations platform that adds subscription management and ASC 606 revenue recognition on top of your existing payment gateway.
Interchange-plus
online rate
$599 on Grow
monthly fee
Varies
payout
US payment gateway built for B2B and B2G sellers, with automated Level 2 and Level 3 data to cut interchange on commercial cards.
Custom quote
online rate
Roughly $15 to $75
monthly fee
Next day
payout
Merchant of record for SaaS, AI and digital products. It becomes the legal seller on every order and handles the VAT, GST and sales tax that follow.
4% + $0.40 in the US
online rate
$0 per month
monthly fee
Varies
payout
Stax-owned US merchant account provider that dropped the flat membership fee it was built on. Pricing is now interchange-plus, quoted account by account.
Custom quote
online rate
Custom quote
monthly fee
Varies
payout
Payroc-owned New Jersey ISO selling a proprietary gateway to B2B and large-ticket merchants. No rates published, and the contract runs three years.
Custom quote
online rate
Custom quote
monthly fee
Varies
payout
UK subscription billing platform that charged a base monthly fee plus a small percentage of billed revenue above a free allowance.
Set by your gateway
online rate
$35 to $45 reported
monthly fee
Varies
payout
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