There are 2 ways to start using Blockpass - with or without an integration.
No integration / Blockpass hosted server
Simply follow the steps in this article - https://blockpass.zendesk.com/hc/en-gb/articles/360034627514
With integration / Your own server
You can install Blockpass dashboard on your own Servers.
Full documentation with APIs is available here: https://docs.blockpass.org/docs/onprem/KYCC-OnPrem-Common-Overview-Steps
All relevant information can be found here: https://docs.blockpass.org/