Hello,

Calling Caliper API is just a simple set of https requests. See how to call Caliper API here: https://docs.q2api.com/docs/q2-caliper-api/0gozwdc5ipopq-how-to-call-v2. I am not at all familiar with Spring Boot, because we use OAuth which is a very common authentication method there should be plenty of guides on it. A quick google search found this: https://spring.io/guides/tutorials/spring-boot-oauth2 which might be helpful.

-Trey