I am using Wordpress 4.9.5 and I want to create a custom endpoint like the following:

add_action('rest_api_init', 'miningRigsRoutes');

function miningRigsRoutes()
    register_rest_route('miningRigs/v1', 'createRig', array(
        'methods' => WP_REST_SERVER::CREATABLE,
        'callback' => 'createMiningRig',

    register_rest_route('miningRigs/v1', 'allRigs', array(
        'methods' => WP_REST_SERVER::READABLE,
        'callback' => 'allMiningRigs',

function createMiningRig($data)
    return "Thanks for using the API";

function allMiningRigs() {
    return "All mining Rigs";

The url I am using is:


However, I get the following in return for the post-route:

{"code":"rest_no_route","message":"No route was found matching the URL and request method","data":{"status":404}}

The get-route is working perfectly fine!

I am currently do not use any third party plugins.

Any suggestions how to debug this error for the post-route? From my code, everything looks alright!

I appreciate your replies!

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  • with CREATABLE this endpoints works only with POST. you can use e.g. "methods" => "GET, POST", to use it with GET and POST. – mmm Apr 22 '18 at 7:45

You should not GET on a POST only rest callback. The code below creates a POST call only

register_rest_route('miningRigs/v1', 'createRig', array(
    'methods' => WP_REST_SERVER::CREATABLE,
    'callback' => 'createMiningRig',

Check http://localhost/wordpress-site/wp-json/miningRigs/v1 which shows you can only POST on createRig

I just copy/paste you code + added the https://pressupinc.com/blog/2013/07/minimum-viable-wordpress-plugin/ then enabled the plugin on 4.9.5 and it works like expected on a WP 4.9.5

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  • i think the combination of mmm comment and your answer will give a good answer. Right now it is not clear from the question how POST is related here, so maybe worth explaining further. – Mark Kaplun Apr 22 '18 at 9:07
  • I added your code snippet. 'WP_REST_SERVER::CREATABLE' is equivalent with a HTTP POST when visiting the mentioned URL – Clemens Tolboom Apr 22 '18 at 9:32
  • Curious about permissions etc I read the API of which developer.wordpress.org/rest-api/extending-the-rest-api/… just extends WP_REST_Controller which probably safes you from building your own GET all and filtering conditions. – Clemens Tolboom Apr 22 '18 at 12:47

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