Invoicing, inventory and retail — one platform.

ProLasku EasyCMS (Proinvoicer) is a Finnish all-in-one business system: multilingual invoicing, multi-location warehouse and inventory management, purchasing, B2B sales and a complete point of sale — in one cloud console. Work in the browser, on Android with the mobile apps, or connect anything through the REST API.

System documentation API documentation
Multi-language Multi-currency Multi-location stock B2B webshop POS & cash registers
Documentation hub

Find the right documentation

Everything about ProLasku EasyCMS starts here — user guides, developer reference and the mobile apps.

For EasyCMS users

System manual

Task-based guides for the whole EasyCMS console — invoicing and orders, products and multi-location inventory, purchasing, cash registers, reports and settings.

Open the manual →
Android · Google Play

Mobile apps

Take EasyCMS on the road — sales and inventory apps for Android, tied to your account.

ProLasku B2B Get it onGoogle Play Coming soon
ProLasku Inventory Get it onGoogle Play Coming soon

Store links go live when the apps are published.

Secure QR login — the apps sign in to your EasyCMS account with a per-user QR code.
The platform

One inventory system, every workflow

From the first purchase order to the customer's receipt — all of it in one account.

Multi-location inventory

Stock per warehouse and shelf, transfers, incoming goods and full stock diary.

Invoicing & orders

Quotes, orders and invoices with VAT handling, credit notes and PDF delivery.

Purchasing

Purchase orders, supplier catalogs and receiving — straight into stock.

Point of sale

Fast cash registers with barcode scanning, synced to the cloud in real time.

B2B & customers

Customer pricing tiers, quantity discounts and a B2B webshop channel.

Reports

Sales, VAT and stock reporting with exports your accountant will love.

Building an integration?

Connect your webshop, WMS or ERP to EasyCMS with the public API — authenticate with your API key, page through results, and read or write anything from products to receipts.

JSON over HTTPS API-key auth 50 rows / page GET / SET / CHECK pattern
Read the API documentation