Your data, your experience, your API
Connect your company’s own applications to your Proper account for a personalised customer experience.

Streamline your invoicing processes with our API
Our API lets you seamlessly integrate your Proper account into your own workflow. Build custom integrations with your software to meet your needs. Even without knowing code.
01
Get new agreements out in seconds
Do you already have a platform to handle contracts? You can connect to Proper to automatically create new agreements.
02
Integrate to your accounting system
Synchronise all invoices and payments into your own accounting systems.
03
Get notified on changes
Send a custom email to your team when an invoice needs approval.
04
Build your own dashboards
Get all financial transactions into your Business Intelligence tool.
Documentation that supports you
Our API documentation is there to support you all the way. And together with our experts in support, no questions will be left unanswered.

No code?
Of course you don't need a Computer Science degree to build your own workflow with Proper. We support webhooks that give you important notifications, and can be used in combination with our API.
If you are familiar with Zapier, then you can build custom workflows in minutes.

Visma e-conomic integration
Besides our API, we also offer a full integration with e-conomic which means you can automatically get your customers' charges and payments posted. We create the entries in the corresponding products and accounts so you don’t need to do it manually.
All of this has been built in close collaboration with Visma e-conomic as a certified partner, and verified by PWC and Deloitte.
- Certified partner integration
- Automatic customer creation
- Attachment of invoices
- Advance VAT – split VAT and automatic VAT accounts
- Accrual accounting
- Dimensions
- 100% error handling (ensure you'll never miss any entries)

Automate your payments now
Sign up today so you can have your customers on Proper within 14 days.