The Professional Scrum Master (PSM I) certification validates your knowledge of the Scrum framework, the Scrum Master accountabilities and how to apply Scrum.
PSM I is recognized by the industry as a certification that demonstrates a fundamental level of Scrum mastery. As a PSM I certification holder, you have proven that you understand Scrum as described in the Scrum Guide and how to apply Scrum in Scrum Teams. PSM I holders have a consistent terminology and approach to Scrum.