Connect WeFact with Werkbriefje.app

Timesheets become invoices, with the correct rates per employee.

timesheet app weekly overview 2025 Mobile app

WeFact integration: timesheets become invoices, with the correct rates per employee

Do you use WeFact for your invoicing? With the Werkbriefje.app With the WeFact integration, approved timesheets are converted into draft invoices in WeFact, with the correct rates and VAT per employee, customer, or project.

🚧 Coming soon. The WeFact integration is under development. Would you like to be notified as soon as it goes live? Sign up for the waiting list.

Why Werkbriefje.app Connect with WeFact?

WeFact is a specialist in invoicing. Many freelancers and small businesses choose it because it focuses on one thing: creating, sending, and collecting invoices. No burden of a full accounting package, no subscription for features you never use.

But before an invoice ends up in WeFact, the hours and materials have to come from somewhere. For construction companies and self-employed professionals in the construction industry, in practice this means: paper timesheets, a notebook, or memory. Then, manually entering everything into WeFact, looking up the correct hourly rate, and checking the VAT rate. The Werkbriefje.app The WeFact integration does that in one step.

What the WeFact integration delivers for you

How does the WeFact integration work with Werkbriefje.app?

The integration works via the WeFact API. Once configured, the timesheets are transferred to WeFact without you having to worry about it.

This is how it works in 3 steps

  1. Link once. You connect Werkbriefje.app with your WeFact account. Customers, projects, and rates are synchronized.
  2. Employees fill out timesheets. Hours, materials, mileage, and any additional work with photos.
  3. You approve. Approved timesheets are converted into draft invoices in WeFact, with the correct rates and VAT.

What is being synchronized?

From WeFact to Werkbriefje.app: clients, projects, items, and rates per employee or client. The other way around: hours worked per employee, material consumption, mileage, and photos or notes regarding extra work.

Who is the WeFact integration suitable for?

WeFact is primarily chosen by people who take their invoicing seriously but do not need a full accounting package. The integration with Werkbriefje.app goes well with:

WeFact of Werkbriefje.app?

WeFact is good at creating and collecting invoices. Werkbriefje.app is good at everything that needs to be done: recording hours, materials, and mileage on the construction site. Together, they close the chain from work to invoice to payment.

Werkbriefje.appWeFact
Time registration on the construction site✅❌
Material registration per project✅❌
Mileage tracking with Google Maps✅❌
Photos of additional work✅❌
Sending invoices❌✅
Collections and payment reminders❌✅
Periodic invoicing❌✅
Online payment options❌✅

Werkbriefje.app It does not replace WeFact. It is the link between what happens on the construction site and the invoice that eventually goes out the door.

Why choose Werkbriefje.app?

Made for construction. Not just hours, but also materials, mileage, and photos of extra work. Built-in as standard.

Rates and material prices are included. No more manual lookup work per invoice.

Family business, not an anonymous software supplier. Questions are handled by someone who knows how a construction company works.

€12,50 per user per month, excluding VAT. Includes the WeFact integration as soon as it goes live. Cancellable monthly.

Request a demo

See how in a no-obligation 10-minute demo Werkbriefje.app can simplify your timesheets, material registration, and project administration. We will show you exactly how the integrations will work for your situation.

* " indicates required fields

Frequently asked questions about the WeFact integration

When is the WeFact integration available?

The integration is under development. By signing up for the waiting list, you will receive a personal message as soon as it goes live.

Does the integration work with every WeFact subscription?

The integration works with WeFact accounts that support API access. Most paid subscriptions meet this requirement. Unsure? Ask us via the contact form.

Are my rates per employee included?

Yes. Rates can be set per employee, per customer, or per project. The integration uses the correct rate depending on who worked on which project.

Are invoices sent automatically?

Co-funding is not required. Werkbriefje.app Prepare draft invoices in WeFact. You only send them after verification.

Does the WeFact integration cost extra?

No. The coupling is with you. Werkbriefje.app subscription of €12,50 per user per month. Of course, you pay separately for WeFact.

Are clients and projects synchronized?

Yes. Customers, projects, and rates from WeFact appear in Werkbriefje.app. You can start new projects from Werkbriefje.app also forward to WeFact.

Can I manually modify invoices before they are sent?

Yes. Werkbriefje.app creates draft invoices. In WeFact, you can edit each draft before sending it.

Is the connection safe?

Yes. The integration works via the official WeFact API. Encrypted data, GDPR-compliant. You can revoke the integration at any time.


Want to know more about other integrations? View the overview of all accounting integrations , or read about the integrations with SnelStart , Moneybird , e-Boekhouden.nl , and Yuki.