Integrate FastBill with Qmize WhatsApp API to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Send WhatsApp Template Message via Qmize WhatsApp API when New Offer in FastBill
Send WhatsApp Template Message via Qmize WhatsApp API when New Customer in FastBill
Send WhatsApp Template Message via Qmize WhatsApp API when Customer Updated in FastBill
Send WhatsApp Template Message via Qmize WhatsApp API when New Invoice in FastBill
Send WhatsApp Template Message via Qmize WhatsApp API when Invoice Completed 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
Qmize WhatsApp API
Automatically do this!
Send WhatsApp Template Message
Send WhatsApp Template Message via Qmize WhatsApp API when New Offer in FastBill
Use this flowSend WhatsApp Template Message via Qmize WhatsApp API when New Customer in FastBill
Use this flowSend WhatsApp Template Message via Qmize WhatsApp API when Customer Updated in FastBill
Use this flowSend WhatsApp Template Message via Qmize WhatsApp API when New Invoice in FastBill
Use this flowSend WhatsApp Template Message via Qmize WhatsApp API when Invoice Completed in FastBill
Use this flowSend WhatsApp Template Message via Qmize WhatsApp API when Invoice Canceled in FastBill
Use this flowSend WhatsApp Template Message via Qmize WhatsApp API when New Contact in FastBill
Use this flowSend WhatsApp Template Message via Qmize WhatsApp API when Contact Updated in FastBill
Use this flowSend WhatsApp Template Message via Qmize WhatsApp API when Contact Deleted in FastBill
Use this flowSend WhatsApp Template Message via Qmize WhatsApp API when Customer Deleted in FastBill
Use this flowEverything you can automate between FastBill and Qmize WhatsApp API.
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.

Discover viaSocket, an AI-powered workflow automation platform with 2,300+ integrations. Learn what it is, how it works, and how to set up no-code automated workflows.

Five practical automation hacks to cut repetitive tasks and boost productivity using viaSocket, covering lead generation, onboarding, accounting, support, and HR.

Explore workflow automation: its definition, benefits, how it works, real-world examples, and how to automate with viaSocket.

Discover what webhooks are, how they work, and when to use them. Compare push-based webhooks with APIs and polling, with practical examples and ViaSocket integration.
viaSocket Support
We're here to help
Instant answers
AI assistant available 24/7
Expert support
Connect with our specialists
Trusted & secure
Your data is safe with us
No credit card required. Set up your first workflow in minutes.
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 moreQmize is a WhatsApp Business API platform for automating customer conversations, sending bulk messaging campaigns, verifying users, and delivering customer support through WhatsApp.
Learn moreSign up for a free viaSocket account, then authorize both your FastBill and Qmize WhatsApp API 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 Qmize WhatsApp API 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 Qmize WhatsApp API. No coding required.
Yes. You can set up a workflow where FastBill triggers actions in Qmize WhatsApp API, and a separate workflow where Qmize WhatsApp API 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 Qmize WhatsApp API. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire FastBill and Qmize WhatsApp API integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.