Payment Gateway Software

Square Payments
  306
Online payment processing for merchants & vendors
AvidXchange
  24
Accounts payable & payment automation solution
Bill.com
  268
Magically Simple Business Payments
Stripe
  879
Online payment processing for internet businesses
Zoho Checkout
  11
Collect one time & recurring online payments
PDCflow
  46
Accounts receivable payment hub
PEX
  17
Online expense management for controlling employee spending
MoonClerk
  6
One-off and recurring payment management system
Sonder
  4
Payment processing platform
EBizCharge
  33
Web-Based Payment Processing Solution for Merchants
PayJunction
  94
Payment processing for mid-large scale businesses
Fusebill
  19
Subscription billing management & recurring billing software
Profituity
  6
Web-based payment processing solution
VeryConnect
  19
Membership, CRM and Community Software
PayPal
  3391
Global eCommerce platform for businesses of all sizes
Braintree
  3391
Online and mobile payment gateway
QuickBooks Online
  2859
Small business accounting software
Square Point of Sale
  980
iPad & Android point of sale (POS) system
Xola
  484
Xola is a booking, marketing and distribution platform for businesses offering activities and experiences.
Venmo
  268
Digital wallet & mobile payment gateway
Vend
  201
Run the world's best retail with Vend point-of-sale system.
BigCommerce
  108
Redefining Enterprise Ecommerce
InvoiceASAP
  95
Mobile invoicing and payments for field service providers
Authorize.net
  75
Credit card processing for small & medium business merchants
PaySimple
  70
Run a Business. Have a Life.
Payment Depot
  52
The nation's only wholesale credit card processing rates
Tuio
  52
Parent billing for daycares & preschools, schools, others
Fons
  37
Scheduling & payment software for appointment-based business
Worldpay
  36
Online global payment gateway
PayKickstart
  36
Shopping cart & affiliate management for online vendors.
2Checkout
  34
Accept Payments Online with 2Checkout’s Online Payment Processing
Cayan
  32
Secure payment processing software
Chargebee
  25
Subscription billing & Recurring payments software
Spendesk
  23
The all-in-one spending platform for fast-moving teams
SecurionPay
  15
Gateway with supercharged conversion and recurring payments
Biller Genie
  15
Automated accounting tool for invoicing & payment collection
BluePay
  13
Secure integrated payment processing solutions for merchants
GoCardless
  12
UK's leading online direct debit provider
ezyCollect
  11
Automated accounts receivable & debtor management solution
iZettle
  11
Accept credit card payments with a smartphone or tablet
Paysafe
  8
Web and mobile based payment solution
Engaging Networks
  8
Digital engagement and fundraising for nonprofits
CharityWeb
  8
Online donation management & fundraising for nonprofits
Alternative Payments
  5
Global payment management platform for eCommerce enterprises
Digital River
  2
Cloud-based ecommerce, online payments & marketing solution
goEmerchant
  2
Online Shopping Cart Software
Flint
  1
Mobile Credit Card Processing (USA Only)
TRACT
Billing and revenue management platform for XaaS and IoT
GoInterpay
Multi-currency global payment gateway
Ogone
Simple payment solutions to grow your business
Chargent
Credit card / ACH payment processing for Salesforce
SutiAP
Automated invoice processing & payment software
expex
Financial visibility & cash management tools for SMBs
Creditline
Client-server payment processing with EMV certified gateway
Adyen
International payment processing platform