Integrate FastBill with ActiveTrail to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Start from a real workflow other teams are already running.
FastBill
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
ActiveTrail
Automatically do this!
Delete a Group
Get single Automation
Get all Automations
Delete a Campaign
Delete a contact
Add Contact to Group
List Account Emails Sending Profiles
List Executive Reports
List Sent Campaigns
List Templates
List Order Fields Information
List Sms Messages
List Account's Mailing Lists
List User's Segmentations
List Sign-up Forms
List Landing Pages
List Contact
List Group
List Automations
Find Group
Find Contact
Send SMS Message
Create Contacts
Update contact
Delete a Group in Activetrail when New Offer in FastBill
Use this flowGet single Automation in Activetrail when New Offer in FastBill
Use this flowGet all Automations in Activetrail when New Offer in FastBill
Use this flowDelete a Campaign in Activetrail when New Offer in FastBill
Use this flowDelete a contact in Activetrail when New Offer in FastBill
Use this flowAdd Contact to Group in Activetrail when New Offer in FastBill
Use this flowList Account Emails Sending Profiles from ActiveTrail when New Offer in FastBill
Use this flowList Executive Reports from ActiveTrail when New Offer in FastBill
Use this flowList Sent Campaigns from ActiveTrail when New Offer in FastBill
Use this flowList Templates from ActiveTrail when New Offer in FastBill
Use this flowEverything you can automate between FastBill and ActiveTrail.
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.
Creates a new invoice.
Adds full payment for an invoice.
Send an invoice by email.
Creates a revenue entry.
Adds full payment for a revenue.

Follow a simple walkthrough to create, test, and launch your first automation.
Connect your apps
Link the apps you want to automate.
Configure your workflow
Set up triggers, actions, and map your data.
Test & publish
Test your workflow and publish it.
Recognized by leading review platforms and trusted by 10,000+ businesses worldwide.

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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 moreActiveTrail is an email marketing and automation platform that helps businesses create and send emails, manage campaigns, and automate marketing tasks to enhance customer engagement and conversion rates.
Learn moreSign up for a free viaSocket account, then authorize both your FastBill and ActiveTrail accounts. From there, pick a trigger in one app and an action in the other. Your first workflow can be live in under five minutes.
Yes. viaSocket uses instant triggers where available, so data moves between FastBill and ActiveTrail as soon as the event happens. Scheduled polling triggers run at a maximum interval of 15 minutes.
Yes. You can map specific fields, apply filters to skip records that do not match your conditions, and transform values before they reach ActiveTrail. No coding required.
Yes. You can set up a workflow where FastBill triggers actions in ActiveTrail, and a separate workflow where ActiveTrail triggers actions in FastBill. Both run independently and in real time.
viaSocket logs every run so you can see exactly what succeeded and what failed. Failed tasks can be retried from the dashboard without re-configuring the workflow.
Yes, there is a free plan that covers basic workflows between FastBill and ActiveTrail. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire FastBill and ActiveTrail integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.