Integrate FastBill with Zencal to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Get Meeting Topics from Zencal when New Offer in FastBill
Get Meeting Topics from Zencal when New Customer in FastBill
Get Meeting Topics from Zencal when Customer Updated in FastBill
Get Meeting Topics from Zencal when Customer Deleted in FastBill
Get Meeting Topics from Zencal when New Invoice in FastBill
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
Zencal
Automatically do this!
Get Meeting Topics
Get Meeting Topics from Zencal when New Offer in FastBill
Use this flowGet Meeting Topics from Zencal when New Customer in FastBill
Use this flowGet Meeting Topics from Zencal when Customer Updated in FastBill
Use this flowGet Meeting Topics from Zencal when Customer Deleted in FastBill
Use this flowGet Meeting Topics from Zencal when New Invoice in FastBill
Use this flowGet Meeting Topics from Zencal when Invoice Completed in FastBill
Use this flowGet Meeting Topics from Zencal when Invoice Canceled in FastBill
Use this flowGet Meeting Topics from Zencal when Offer Updated in FastBill
Use this flowGet Meeting Topics from Zencal when New Contact in FastBill
Use this flowGet Meeting Topics from Zencal when Contact Updated in FastBill
Use this flowEverything you can automate between FastBill and Zencal.
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.
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Just describe the task in plain English. viaSocket AI selects the right apps, builds the workflow, maps the fields, and prepares everything for review before you publish.

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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 moreZencal is a streamlined scheduling and booking platform designed to simplify appointment management and enhance productivity. Ideal for professionals and businesses, it offers seamless calendar integration and user-friendly features to optimize your scheduling process.
Learn moreSign up for a free viaSocket account, then authorize both your FastBill and Zencal 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 Zencal 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 Zencal. No coding required.
Yes. You can set up a workflow where FastBill triggers actions in Zencal, and a separate workflow where Zencal 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 Zencal. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire FastBill and Zencal integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.