Start syncing MailUp and Invoice Ninja two-way

MailUp lets you use email and SMS to reach more customers through relevant, timely communications. Turn leads into clients with personalized messages, drive more traffic to your website through effective newsletters, and save time with advanced automation tools.

Invoice Ninja is a free, open-source solution for invoicing & billing customers. With Invoice Ninja, users can easily create and send professional invoices from any internet-enabled device. Clients can print invoices or download them as pdf files as well as pay online from within the system.