Creates a branch in the project. Before using this endpoint, please enable Branching in your project by following this guide. Requires admin right.

Project Type Compatibility:

• ✅ Software projects (localization_files) - Only project type that supports branching
• ❌ Documents projects (paged_documents) - Branching not supported
• ❌ Marketing projects (content_integration, marketing, marketing_integrations) - Branching not supported

Requires write_projects OAuth access scope.