Login to Boost Business App Lili Follow Your Boost Business Account Login ID (email address) and Password is sent to you through the email address provided to Boost when you sign up as Boost merchant. Please take note that Boost Business Account Login ID (email address) is CASE SENSITIVE. Illustration below shows common login error from user: If you do not remember your email address used for Boost Merchant Account Registration or still unable to login, kindly reach out to us HERE and we will assist you further. Note: Kindly also ensure your Boost Business App is updated to the latest version by checking in Google Play Store / Apple App Store.