Log in to Subiekt123 using your Insert account. https://app.subiekt123.pl/
Go to the “ Configuration” menu in the lower left corner.
You will see a window with the following information:

Click on the link marked with the arrow.
After logging in, you will see information about the possibility of activating "Laboratorium". The latest features, such as KSeF Subiekt 123, are still available as part of Insert's "Laboratorium"
Paste the 64 characters of the generated token:


After saving the token, we linked the Subiekt 123 program with KseF.
When issuing invoices, check whether the „Faktura do KSeF” option is already available.


If you have an account with SCANYE linked to KSeF and you send every sales invoice from Subiekt 123 to KSeF, you don't have to send a package of invoices to accounting at the end of the month, because we will already have received these documents.