
When this happens...
New Offer
New Customer
Customer Updated
Customer Deleted
New Invoice
Invoice Completed
Invoice Canceled
Offer Updated
New Contact
Contact Updated
Contact Deleted

Automatically do this!
Create or Update Subscriber
Add Subscriber to a Group
Change Subscriber Email
Unsubscribe a Subscriber
Remove Subscriber From a Group
Find a Group
Create Subscribers Group
Get account details
Get groups by name
Create draft automation
Update a segment
Create a Field
Delete Field
When this happensTriggers
A trigger is an event that starts a workflow.
Triggers when a new offer was created within your FastBill account.
Triggers when a new customer is created within your FastBill account.
Triggers when a customer is updated within your FastBill account.
Triggers when a customer is deleted within your FastBill account.
Triggers when a new invoice is created within your FastBill account.
Triggers when an invoice is completed within your FastBill account.
Action is the task that follows automatically within your FastBill integrations.
Creates a new customer in FastBill.
Create or Update an existing subscriber
Adds an existing subscriber to a Group by its email address
Change an existing subscriber email.
Unsubscribe an existing subscriber by its id or email
Remove a subscriber from a group by subscriber Id or email

Discover the top 8 free email marketing tools for 2025. Enhance your campaigns and engage your audience effectively with our comprehensive guide.

Gain insights into how viaSocket functions through our detailed guide. Understand its key features and benefits to maximize your experience and efficiency.

Unlock your team's potential with 5 straightforward automation hacks designed to streamline processes and free up valuable time for more important work.
To start, connect both your FastBill and MailerLite accounts to viaSocket. Once connected, you can set up a workflow where an event in FastBill triggers actions in MailerLite (or vice versa).
Absolutely. You can customize how FastBill data is recorded in MailerLite. This includes choosing which data fields go into which fields of MailerLite, setting up custom formats, and filtering out unwanted information.
The data sync between FastBill and MailerLite typically happens in real-time through instant triggers. And a maximum of 15 minutes in case of a scheduled trigger.
Yes, viaSocket allows you to add custom logic or use built-in filters to modify data according to your needs.
Yes, you can set conditional logic to control the flow of data between FastBill and MailerLite. For instance, you can specify that data should only be sent if certain conditions are met, or you can create if/else statements to manage different outcomes.
FastBill is a cloud app for German invoicing & accounting. Writing offers and invoices, paying your bills or preparing your tax return is easier than ever with FastBill.
Learn MoreMailerLite is an email marketing service provider with a focus on simplicity, excellent customer support, and beautiful email designs. MailerLite provides all the latest email marketing features designed to help you grow subscribers and build stronger relationships.
Learn More