EMS proudly offers businesses in Houston a suite of secure payment processing solutions for both online and in-person transactions. The Payment Portal displays only the payment options available for each account.Possible payment options are: WebEFT (Electronic Check) To make a payment as an unregistered user, click here. To sign up for Chase Payment Solutions, reach out to a Payments Advisor at 1-877-843-5690 or fill out this short form. Need help with our payment solutions? Accept all the ways customers want to pay. Make the sale in-store or online, and take credit cards, EMV chip cards, gift cards, mobile wallets and more. We've compiled seven of the best online payment solutions providers, analyzing their unique services and defining which businesses they suit best. Get Email Notifications and Track Your Payments.