Create Posti return labels through yayloh. Posti doesn't have a direct integration, so you can connect it in one of two ways.
Option 1: Through yayloh's Webshipper account
We set it up for you. Send the following to support@yayloh.com:
Posti company ID: you'll find it in your Posti agreement.
The countries you want to offer returns from
An example return label from your Posti account
Option 2: Through your own shipping tool
Already using nShift, Webshipper or Sendcloud? Connect Posti through your own account:
Good to know
Labels only work for countries in your Posti agreement. To add a country, contact Posti first.
For how routes, priority and fallbacks work, see Carriers & Routes: how it works.