v4 API:

• GraphQL

v3 APIs:

• Activity
• Applications
• Authorizations
• Commits
• Current User
  • Emails
  • Public keys
  • Memberships
• Enterprise
  • Secret Scanning Alert
• Gists
  • Comments
• GitData
  • Blobs
  • Commits
  • References
  • Tags
  • Trees
• GraphQL
• Issues
  • Assignees
  • Comments
  • Labels
  • Milestones
  • Timeline
• Meta
• Miscellaneous
  • Code of conduct
  • Emojis
  • Gitignore
  • Licenses
  • Markdown
• Organization
  • Members
  • Teams
  • Self hosted runners
  • Secrets
  • Variables
  • Secret Scanning Alert
  • Organization Roles
• Projects
  • Columns
    • Cards
• Pull Requests
  • Comments
  • Review Request
  • Reviews
• Rate Limits
• Repositories
  • Actions
    • Artifacts
    • Secrets
    • Variables
    • Self hosted runners
    • Workflow jobs
    • Workflow runs
    • Workflows
  • Check Runs
  • Check Suites
  • Contents
  • Deployments
    • Policies
    • Environments
      • Secrets
      • Variables
  • Labels
  • Protection
  • Releases
    • Assets
  • Stargazers
  • Statuses
  • Tags
  • Secret Scanning Alert
• Search
• Users
  • Migrations

Additional features:

• Authentication & Security
• Customize php-github-api
• Running and writing tests
• Response caching
• Request / Response info
• Pagination support
• Request any Route