This feature is available in our paid editions. Contact us here, and we'll be delighted to assist you!
1
Provision Users
Generate a JSON Web Token (JWT) to identify your customer and pass it to the SDK, read more here.
2
Embed Builder
You can use the SDK to embed and customize Activepieces in your SaaS, read more here.

In case, you need to gather connections from your users in your SaaS. You can do this with the SDK. Find more info here.
If you are looking for a way to communicate between Activpieces and the SaaS embedding it through a piece, we recommend you check the custom property doc