What are some alternatives?
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Square Point of Sale - Start accepting cash and card payments with Square. No contracts, monthly fees, or hidden costs.
MoonClerk - You're just 5 minutes away from accepting recurring payments and one-time payments online. Explore for Free. No credit card required.
NetSuite - NetSuite is the leading integrated cloud business software suite, including business accounting, ERP, CRM and ecommerce software.
Profituity - Web-based payment processing solution
Bill.com - Bill.com provides ACH payments processing, automates your accounts payable and accounts receivable processes.