Integrate FastBill with Lightspeed Retail POS (X-Series) to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
List Taxes from Lightspeed Retail POS (X-Series) when New Offer in FastBill
List All Brands from Lightspeed Retail POS (X-Series) when New Offer in FastBill
List All Outlets from Lightspeed Retail POS (X-Series) when New Offer in FastBill
Get Top 10 Best Selling Products from Lightspeed Retail POS (X-Series) when New Offer in FastBill
List Taxes from Lightspeed Retail POS (X-Series) when New Customer 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
Lightspeed Retail POS (X-Series)
Automatically do this!
Create Customer
Create Customer Group
Create Product
Create Register Sale
Update Product
Update Customer
Search Customers
List Store Products
List Store Users
List Store Registers
List Taxes
List All Brands
List All Suppliers
List Variant Attributes
List Payment Methods
List Customer Groups
List All Outlets
Get Top 10 Best Selling Products
List Taxes from Lightspeed Retail POS (X-Series) when New Offer in FastBill
Use this flowList All Brands from Lightspeed Retail POS (X-Series) when New Offer in FastBill
Use this flowList All Outlets from Lightspeed Retail POS (X-Series) when New Offer in FastBill
Use this flowGet Top 10 Best Selling Products from Lightspeed Retail POS (X-Series) when New Offer in FastBill
Use this flowList Taxes from Lightspeed Retail POS (X-Series) when New Customer in FastBill
Use this flowList Payment Methods in Lightspeed Retail POS (X-Series) when New Customer in FastBill
Use this flowList Customer Groups from Lightspeed Retail POS (X-Series) when New Customer in FastBill
Use this flowList All Outlets from Lightspeed Retail POS (X-Series) when New Customer in FastBill
Use this flowList Taxes from Lightspeed Retail POS (X-Series) when Customer Updated in FastBill
Use this flowList Payment Methods in Lightspeed Retail POS (X-Series) when Customer Updated in FastBill
Use this flowEverything you can automate between FastBill and Lightspeed Retail POS (X-Series).
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.
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 moreLightspeed Retail POS (X-Series) is a cloud-based point-of-sale and retail management system designed to streamline in-store and online operations. It provides powerful tools for inventory control, sales processing, customer management, reporting, and multi-store management. With an intuitive interface and real-time analytics, Lightspeed Retail POS helps retailers run smarter, automate workflows, and manage their business from anywhere.
Learn moreSign up for a free viaSocket account, then authorize both your FastBill and Lightspeed Retail POS (X-Series) 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 Lightspeed Retail POS (X-Series) 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 Lightspeed Retail POS (X-Series). No coding required.
Yes. You can set up a workflow where FastBill triggers actions in Lightspeed Retail POS (X-Series), and a separate workflow where Lightspeed Retail POS (X-Series) 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 Lightspeed Retail POS (X-Series). Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire FastBill and Lightspeed Retail POS (X-Series) integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.