In WordPress tutorial I will explain what is default url of single post of any content type post.
Single Post URL of Post type content
Single post url depend on permalink settings.
WordPress Dashboard Settings Permalinks
Single Post URL of custom content type
This depend on value of rewrite when registering custom content type.
Default Single Post URL of any content type
The default url of single post of any content type is:
example.com/?p=123
Where, 123 is post ID.
How to get post ID
Go to edit page of that post. See the url of that edit page. It will be something like this:
https://example.com/wp-admin/post.php?post=999&action=edit
999 is the ID of this post. Like this you can get ID of any page / post of any content type.