Discover Activity Messenger, software that automates your invoices and helps you get paid faster. Create and send your invoices with just a few clicks, and track your sales and reminders in real-time, all while staying organized and efficient.
Automate your invoices. Track your payments. Save time.




Each registration or purchase automatically triggers the creation of an invoice ready to be sent to your customers. Automated invoicing saves you time, reduces errors, and allows you to focus on growing your business while keeping an accurate track of every transaction.






Save time and eliminate manual errors with automatic invoice creation and sending. Each transaction is closely monitored for fast and reliable payment collection.




Whether you organize a day camp, classes, tournaments, or one-time events, Activity Messenger allows you to gather all your registrations on a single platform. Create your activities, manage registrations, track payments, send confirmations, and easily monitor attendance. You gain in efficiency and speed.
Make your organization shine with our email communication module. Create newsletters, send targeted marketing campaigns, and schedule your mailings to maintain a strong connection with your clients. Inform, build loyalty, and increase participation in your activities without multiplying tools.
Whether it’s at the counter, in a kiosk, or in a shop, each sale becomes quick and straightforward. Scan your products, accept cash or card payments with the Stripe terminal, and send the invoice instantly by email or SMS. Track your sales in real-time from your space and always stay in control of your revenue.e38caf42ac1c –>
While small businesses and organizations can create invoices manually, using billing software helps save time, reduce errors, and track payments automatically. It’s especially useful if you handle multiple clients, accept online payments, or want to send automated reminders for unpaid invoices.
Yes! Activity Messenger natively integrates billing. Each registration or purchase automatically generates an invoice, which you can send by email or SMS. Online payments are directly linked to invoices, and reminders can be sent in case of delays, ensuring you receive every payment. Book an online demoto discover the full power of our platform.
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Activity Messenger is an all-in-one platform for online registration management. It allows you to create forms, process online payments, send communications, organize activities, and streamline staff hiring.