Login and post fetch works, but create post returns 404

[disu]

Hi,
your example work correctly, after configuring JWT on my website, with login and posts fetch.
But when I press the "create post" button it sends a request to https://MY_WEBSITE/wp-json/wp/v2/posts, passing default new post as parameter, and in response.statusCode I receive a 404 error.
I've tried on the same URL with postman and it works correctly.

Do you know why?

[disu]

Seems to be an hosting problem because, on the others shared hosting, it works correctly.
However if you have any suggestion on server configuration (htaccess?) please tell me.