About GitHub
GitHub is the world's largest platform for software development, hosting over 420 million repositories and used by more than 100 million developers. GitHub certifications validate the core skills that modern developers use daily: Git version control, collaborative development workflows, GitHub Actions for CI/CD automation, and GitHub's security and administration tools.
Why get certified
GitHub Foundations validates skills that are foundational to virtually every software development role today. Whether you're a developer, DevOps engineer, or technical project manager, demonstrating proficiency with GitHub workflows signals job-readiness and signals fluency with the toolchain used at most modern software organizations.
By the numbers
1
Exam
409
Questions
1
Foundational
All GitHub Certification Exams
GitHub Exam Guides
GH-100: How to Stop Second-Guessing Yourself
GH-100 tests enterprise GitHub administration policy and governance, not developer skills. Here's what the 5-domain structure demands and how to prepare.
29 min readGitHub Foundations (GH-900): What the Exam Actually Tests
GH-900 exam guide covering all 7 domains, the January 2026 blueprint, what trips candidates up, and how to prepare without wasted time.
26 min readGH-300: What the GitHub Copilot Exam Actually Tests
GH-300 2026 exam guide: what's tested since the January revision (Agent Mode, MCP, content exclusion), where candidates lose points, and what to study.
21 min read
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