Integrate FastBill with Salesflare 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
Salesflare
Automatically do this!
Find account
Find Contact
Find Opportunity
Find Person
Find Pipeline Stage
Find User
Find a Workflow
Add Contact to Account
Add User to Account
Create Account
Create Call
Create Contact
Create Internal Note
Create Meeting
Remove a Contact From Workflow
Create Opportunity
Create Task
Update Account
Update Contact
Update Opportunity
List Accounts
List Contacts
List Opportunities
List Users
List Pipelines
Find account in Salesflare when New Offer in FastBill
Use this flowFind Contact in Salesflare when New Offer in FastBill
Use this flowFind Opportunity in Salesflare when New Offer in FastBill
Use this flowFind Person in Salesflare when New Offer in FastBill
Use this flowFind Pipeline Stage in Salesflare when New Offer in FastBill
Use this flowFind User in Salesflare when New Offer in FastBill
Use this flowFind a Workflow in Salesflare when New Offer in FastBill
Use this flowAdd Contact to Account in Salesflare when New Offer in FastBill
Use this flowAdd User to Account in Salesflare when New Offer in FastBill
Use this flowCreate Account in Salesflare when New Offer in FastBill
Use this flowEverything you can automate between FastBill and Salesflare.
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 2,000+ 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 moreSalesflare is an intelligent CRM startups and small businesses love to use. It's a zero-input sales pipeline tool that thinks and works for its user, not the other way around
Learn moreSign up for a free viaSocket account, then authorize both your FastBill and Salesflare 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 Salesflare 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 Salesflare. No coding required.
Yes. You can set up a workflow where FastBill triggers actions in Salesflare, and a separate workflow where Salesflare 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 Salesflare. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire FastBill and Salesflare integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.