Cross project dependencies

We test multiple projects on CirleCI. Naturally, they depend on each other. Can I have a build of one project launch builds of its dependent projects? E.g., suppose I’ve projects A and B and B uses A. Can I have an automatic test of B run when an update to A is committed?

Thanks
ARthur

You could by using the CircleCI API within the build for project A that triggers a build for Project B.

Thanks Ricardo

Which part of the API would I use?

Regards, Arthur