Integration with Posti’s systems

Posti SmartShip integration alternatives

Posti SmartShip is an address label printing software offered by Posti. For more information about Posti SmartShip.

Unifaun OnlineConnect

Unifaun OnlineConnect is an application component installed locally on the customer's servers and integrated with the customer's ERP/WMS system. The customer's system produces XML material for the OnlineConnect system, on the basis of which OnlineConnect sends EDI to Posti and prints our address labels directly onto the printer selected by the customer. Further information

Unifaun REST API

Unifaun REST API is intended for customers who have a web-based ERP/WMS or an online store. The customer then builds the opportunity to send and receive order information in JSON format via the Internet. REST API returns the address label to the customer in PDF format. Further information

Building the EDI interface in the customer’s own WMS / ERP system

With Posti SmartShip, you can easily gain access to the electronic transfer of item information (EDI), allowing item information to be transferred electronically between Posti and the customer. You can also build electronic data transfer into your own system, where desired, in which case you need an EDI message and address labels.

Location Service

New. With Posti Location Service you get all the info regarding our pickup points. We recommend using location service instead of old pickup point register. You get following benefits after implementing location service API:


  • New SmartPost apartment house lockers. Link to info (in Finnish).
  • Network of 43 000 pickup points around Europe (Parcel Connect service).
  • API comes with version support. This means that in future updates there is no need for you to do changes in API query if you don´t want to take into use new features.
  • Up-to-date info of postal outlets and parcel points.


Pickup point register

The pickup point register is Posti's system containing information about all our service points. The delivery types "Pick-up from a Posti Parcel Point" and "Pick-up from a postal outlet of your choice" retrieve the pickup point information from the register. The information of the pickup point selected by the consumer are transferred to us in the details of the actual item.

Online store integrations with Posti's pickup point register

Other interfaces

For Posti's other interfaces, go to Among others, the website contains technical documentation related to Posti's warehouse solutions and instructions on how to use Posti's Item Tracking interface.