What are WordPress REST API custom endpoints and what is the correct way to register them with proper permission callbacks?

WordPress Fundamental Hard

WordPress Fundamental — Hard

What are WordPress REST API custom endpoints and what is the correct way to register them with proper permission callbacks?

Key points

  • Proper registration involves using register_rest_route() in a rest_api_init action callback
  • Permission_callback should return true for public endpoints or use current_user_can() for protected endpoints
  • Avoid using '__return_true' for authenticated routes
  • Namespace, route pattern, and HTTP methods must be specified
  • Callback function is essential for endpoint functionality

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