CoinArbitrage - Crypto Currency Price Monitor in Real time with Alerts and Notification through email, sms, Desktop Notifications Instantly and watch all of your assets and coins in one place with 16 Exchanges, 6500+ Coin (bitcoin, etherum, dogecoin,litecoin,ripple)
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
Stampery - Stampery generates legally binding proofs of existence, integrity and ownership.
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.
BitInfoCharts - Price, reward, difficulty, hashrate, market capitalization, block time, blocks count for all the...
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.