WordPressでJSON REST APIを無効化する方法

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1. RJW

   I’d try the disable plugin in Dev environment before production, I found installing it broke some features

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   • WPBeginner Support

     If you have many different plugins and tools and have a testing environment then it would definitely be good to test new plugins and how they interact with your site.

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2. Ricky

   Similar to an above commenter, I’ve noticed the “wp-json” request when using Pingdom and other testing sites. Unfortunately, mine takes over 10 seconds (Yes really!!) to load it. This pushes my overall website load time and I can’t figure out how to fix this. The plugin doesn’t change it at all. Any suggestions?

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3. Janice

   How do I know if I actually have JSON API on my website?
   This article about removing it is good – if I need it – but I have often been alarmed by certain warnings only to find that they’ve not even applicable to me.

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   • WPBeginner Support

     Hey Janice,

     If you are using a self-hosted WordPress.org site, then you do have JSON REST API available on your website.

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4. Logan Cale

   I hate adding yet another plugin to do a simple tasks, and I found that we can disable this functionality by adding the following code snippet to the functions.php file.

   add_filter(‘rest_enabled’, ‘_return_false’);
   add_filter(‘rest_jsonp_enabled’, ‘_return_false’);

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   • Margarit Koka

     Thank you bro, your answer is what I was looking when visiting this page.

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   • Bobby C.

     Thank you! Straight to the point.

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   • Hari

     I was looking for this code, it worked, thanks, I don’t prefer adding plugins.

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5. Michael

   Thanks for your help. There is no ‘add new’ option in my plugins.

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   • WPBeginner Support

     You are probably using WordPress.com. Please see our guide on the difference between self hosted WordPress.org vs free WordPress.com blog.

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6. Lynne

   Thank you! Spot on worked for me

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7. J.L.

   Is this just for self hosted blogs or including free blog sites? Per mostly all plug ins…etc are done for you when you’re not self hosted

   PS I’m not subscribing…just want a response

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   • WPBeginner Support

     This is for self hosted WordPress.org sites only.

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8. Elaine

   How can I check if my site has Rest API. I turned off a lot of extras when I first set it up but now don’t know where to look to see if it’s there. Not keen to download a plugin unnecessarily.

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   • WPBeginner Support

     Hey Elaine,

     You can check if rest is api is enabled on your site by visiting the url like this example.com/wp-json. Make sure you are signed out of WordPress before doing that. If you see lots of information in plain text, then this means REST API is enabled on your site. Follow the above instructions to turn it off

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9. Saransh Jain

   What about the option to disable json rest api in Jetpack plugin?

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10. Ken Dowling

    Is disabling REST API suitable for e-commerce sites such as WooCommerce? My understanding is that WooCommerce uses REST-API quite a bit.

    Further, my buyers do not have to login to buy, so what happens to the transaction when a REST API call is rejected?

    Regards, Ken

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11. D. Joe Chaffin

    Plug-in makes no difference for me in WP 4.7.2. With the plugin activated or disabled, the example.com/wp-json (with my domain replacing “example”) pages gives a massive list of settings for my site.

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    • D. Joe Chaffin

      Hmmmm. Now that I look at it, I only see the list in Safari, while Chrome and Firefox for Mac show the expected message specified in this post.

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    • WPBeginner Support

      Hi,

      Make sure you are logged out of WordPress admin area or use incognito mode before testing the example.com/wp-json page. The plugin disables access to the page only for unauthorized users. As an administrator you will still be able to see it.

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      • D. Joe Chaffin

        Embarrassed… You are right, of course.

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12. Audra Carpenter

    Hey Guys,

    First off thanks so much for what you do! I’ve learned so much about Wordpress from you and sent a ton of folks your way!!

    Ok, I installed the plugin, but I am not seeing what you suggest above? I have a full screen of information…?

    Thoughts?

    Thanks!

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    • WPBeginner Support

      Hi Audra,

      Please logout or use incognito window to test. The plugin only disables access for non-logged in users.

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13. Treasure

    I followed these steps, but when I went to check it with the example etc., I got 2 pages of code, not the response showed above. Hmmm, don’t know what to do.

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    • Treasure

      Alright, I did it again and got the right message. Thanks!

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14. Doug Nix

    When I ran the test I think it failed, as I got a boatload of data on screen. Any idea what might have not worked? I installed the plugin as described…

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    • Doug Nix

      Works perfectly when I check using an incognito window. Thanks for the explanation regarding authorised vs unauthorised or anonymous users.

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15. Laura Zielke

    Worked perfectly. Thank you!

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16. Karl

    Thanks for the tip as well as for the hook to disable XMLRPC.
    Is there a chance for a filter hook for the REST API as well?

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17. Andrew

    When I check the speed of my site using pingdom.com, the first html entry that tried to load shows the link as mydomain.com/wp-json and it has over 2 seconds of “wait” time. Is this the same as what this article is talking about? I’m hesitant to simply disable it since I would assume it will be used in the future. Any idea why it would add a 2+ second delay to loading anything on the page?

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18. Stephen Cronin

    Hmm, the REST API is going to become the standard way for plugins and themes to make Ajax calls back to the server from the front end, replacing admin-ajax, so I wouldn’t be disabling it… Hopefully they will fail gracefully, but you will almost end up missing some functionality.

    Also, if you really want to protect against DDoS attacks, you better disable html as well!

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    • reza

      ver 50,000 WordPress websites have been hacked due to a major security vulnerability that was discovered in the WordPress REST API.

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      • Jim S Smith

        OUCH!

        That’s disturbing to know. I have noticed a LOT of access attempts in my site’s logs.

        What’s more,

        I think the folks at WordPress could have done a little better in letting the users decide how much, if at all, they want the REST API exposed.

        Again,

        More of this, “The developers know MORE about the user’s needs than the user does!” – I also was not too happy about being forced to support EMOJI and remote-loaded fonts from fonts.google.com, even though my sites do not use them!

        The REST API may be a boon for (some) actual web-application developers, but what about the rest of us who will not very likely use this? ? ?

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19. Kasey

    How likely is it that a plugin will be using this functionality. Just for example would contact forms be utilizing this? Not keen on turning it off in case it breaks anything.

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    • WPBeginner Support

      The plugins will most likely notify you if they will be using it and you have it turned off.

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