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.

Expensify - Import expenses directly from a credit card to create free expense reports quickly. Approve reports online and reimburse directly to a checking account with one click.

Payoneer - Whether making international payments, receiving funds, managing your digital business, or accessing capital, Payoneer opens your business up to the world.

Abacus - Expenses without the 'expense report'

Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.

Zoho Expense - Automate your expense reporting process and streamline the approval flow.