How do i contact the merchant solutions for credit card support? At The Merchant Solutions, we make it easy to contact us, by phone or email. Our dedicated representatives are always ready to help you start accepting credit cards. Please use the information below to contact us.How do i contact 1stmile or 1stmerchant partners? Merchant Partners Support, Call 1-866-242-9933. 1stMILE Support, Call 1-855-554-6179. Support Hours: Monday – Friday, 6 am – 6 pm (PST)What is meritmerchant partners? Merchant Partners is a state of the art payment gateway and management platform designed specifically for large volume payment aggregators and facilitators.Where can i accept payments as a merchant? Accept payments from anywhere—at your brick-and-mortar store, on your website, or even from a mobile phone or tablet. Merchant accounts without all the smoke and mirrors. Earn your share while providing your clients with a solid service.