Post Types
WordPress.org
Post Types
Theme Developer Handbook | WordPress Developer Resources
Custom Post Type UI
WordPress plugin | WordPress.org
Custom Fields
WordPress.org
Template Files
Theme Developer Handbook | WordPress Developer Resources
CPT Template Files
Theme Developer Handbook | WordPress Developer Resources
Template Hierarchy
Theme Developer Handbook | WordPress Developer Resources
Post Type Templates
WordPress Codex
Registering CPT
Plugin Developer Handbook | WordPress Developer Resources
Working with CPT
Plugin Developer Handbook | WordPress Developer Resources
is_singular
Function | WordPress Developer Resources
is_post_type_archive
Function | WordPress Developer Resources
register_post_type
Function | WordPress Developer Resources
REST API Support
REST API Handbook | WordPress Developer Resources