To create shipping labels via the Post app, you need a billing relationship, which includes a postage license number.
If you donāt have a billing relationship (and therefore no postage license number yet), please contact Post customer service and request a business account with a billing relationship.
If you already work with Post professionally, thereās a good chance you already have such a number. Hereās how to find your postage license number:
ChatGPT fragen
Login to your www.post.ch account.
Click on "Company account & billing relationship"
On the right side, open all subcategories and find the license number for "Domestic parcels and express"

