plugins - Custom REST API endpoint returns rest_no_route when called via wp-json permalink

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I have the following code in my plugin, which during development has been working perfectly fine (called within rest_api_init).

// ?rest_route=bridge/v1/test-data/process/bbe_examples
    register_rest_route(
        'bridge/v1', '/(?P<participant>[a-zA-Z0-9-_]+)/process/(?P<section>[a-zA-Z0-9-_]+)', [
            'methods'  => 'GET',
            'callback' => [ $this->api, 'process' ],
        ]
    );

<My URL>/index.php?rest_route=/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce> Works fine, regardless of whether they're enabled.

<My URL>/wp-json/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce> returns 404 rest_no_route when called.

These are both currently called by some generated buttons, which are generated using rest_url( "bridge/v1/test-data/process/" ) (the section is appended to the string during display).

I'm not entirely sure what's going wrong here. I assumed I had to generate the full URL with rest_url(), but when directly called via the browser or API system the response is the same.

I have the following code in my plugin, which during development has been working perfectly fine (called within rest_api_init).

// ?rest_route=bridge/v1/test-data/process/bbe_examples
    register_rest_route(
        'bridge/v1', '/(?P<participant>[a-zA-Z0-9-_]+)/process/(?P<section>[a-zA-Z0-9-_]+)', [
            'methods'  => 'GET',
            'callback' => [ $this->api, 'process' ],
        ]
    );

<My URL>/index.php?rest_route=/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce> Works fine, regardless of whether they're enabled.

<My URL>/wp-json/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce> returns 404 rest_no_route when called.

These are both currently called by some generated buttons, which are generated using rest_url( "bridge/v1/test-data/process/" ) (the section is appended to the string during display).

I'm not entirely sure what's going wrong here. I assumed I had to generate the full URL with rest_url(), but when directly called via the browser or API system the response is the same.

• plugins
• rest-api

Share Improve this question asked Oct 29, 2018 at 12:22 soup-bowlsoup-bowl 2511 silver badge66 bronze badges 5

• The problem is with the bbe_sortables&replace in the pretty URL. If you change it to bbe_sortables?replace, that should work. – Sally CJ Commented Oct 29, 2018 at 13:59
• Oh damn, I didn't think of that! Can you write that as a reply so I can mark that as resolved? – soup-bowl Commented Oct 29, 2018 at 14:38
• I'm also well-aware that this almost completely violates the REST approach. I'm gradually integrating them, but this was - as it always is - a short term quick fix solution. Obviously it bit me, but there you go. – soup-bowl Commented Oct 29, 2018 at 15:36
• Not sure what you mean by "violates the REST approach"? But I already posted an answer for the original question. – Sally CJ Commented Oct 30, 2018 at 1:20
• Went on a ramble. This is a paginated request, and the page identifer was also an argument like this. I changed it to test-data/process/page/2 to make it more clearer. Some of my older API practices were coming in. – soup-bowl Commented Oct 30, 2018 at 9:01

Add a comment  | 

1 Answer 1

Sorted by: Reset to default 1

The problem is with the bbe_sortables&replace in the permalink:

<My URL>/wp-json/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce>

which results in an invalid route, where the supposedly query string is seen as part of the route:

/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce>

(the valid route for that URL is /bridge/v1/test-data/process/bbe_sortables)

and eventually the REST API throws the rest_no_route error.

To fix the problem, use add_query_arg() when generating the URL, to append the proper query string; e.g. with rest_url():

$url = add_query_arg( array(
    'replace'  => 'VALUE',
    '_wpnonce' => 'VALUE',
), rest_url( 'bridge/v1/test-data/process/bbe_sortables/' ) );

/* Sample $url output:

a) Permalinks enabled
http://example/wp-json/bridge/v1/test-data/process/bbe_sortables/?replace=VALUE&_wpnonce=VALUE

b) Permalinks *not* enabled
http://example/index.php?rest_route=%2Fbridge%2Fv1%2Ftest-data%2Fprocess%2Fbbe_sortables%2F&replace=VALUE&_wpnonce=VALUE
*/

Or if you're certain that permalinks are always enabled on the site, then this would be fine:

rest_url( 'bridge/v1/test-data/process/bbe_sortables/?replace=VALUE&_wpnonce=VALUE' )

I have the following code in my plugin, which during development has been working perfectly fine (called within rest_api_init).

// ?rest_route=bridge/v1/test-data/process/bbe_examples
    register_rest_route(
        'bridge/v1', '/(?P<participant>[a-zA-Z0-9-_]+)/process/(?P<section>[a-zA-Z0-9-_]+)', [
            'methods'  => 'GET',
            'callback' => [ $this->api, 'process' ],
        ]
    );

<My URL>/index.php?rest_route=/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce> Works fine, regardless of whether they're enabled.

<My URL>/wp-json/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce> returns 404 rest_no_route when called.

These are both currently called by some generated buttons, which are generated using rest_url( "bridge/v1/test-data/process/" ) (the section is appended to the string during display).

I'm not entirely sure what's going wrong here. I assumed I had to generate the full URL with rest_url(), but when directly called via the browser or API system the response is the same.

I have the following code in my plugin, which during development has been working perfectly fine (called within rest_api_init).

// ?rest_route=bridge/v1/test-data/process/bbe_examples
    register_rest_route(
        'bridge/v1', '/(?P<participant>[a-zA-Z0-9-_]+)/process/(?P<section>[a-zA-Z0-9-_]+)', [
            'methods'  => 'GET',
            'callback' => [ $this->api, 'process' ],
        ]
    );

<My URL>/index.php?rest_route=/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce> Works fine, regardless of whether they're enabled.

<My URL>/wp-json/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce> returns 404 rest_no_route when called.

These are both currently called by some generated buttons, which are generated using rest_url( "bridge/v1/test-data/process/" ) (the section is appended to the string during display).

I'm not entirely sure what's going wrong here. I assumed I had to generate the full URL with rest_url(), but when directly called via the browser or API system the response is the same.

• plugins
• rest-api

Share Improve this question asked Oct 29, 2018 at 12:22 soup-bowlsoup-bowl 2511 silver badge66 bronze badges 5

• The problem is with the bbe_sortables&replace in the pretty URL. If you change it to bbe_sortables?replace, that should work. – Sally CJ Commented Oct 29, 2018 at 13:59
• Oh damn, I didn't think of that! Can you write that as a reply so I can mark that as resolved? – soup-bowl Commented Oct 29, 2018 at 14:38
• I'm also well-aware that this almost completely violates the REST approach. I'm gradually integrating them, but this was - as it always is - a short term quick fix solution. Obviously it bit me, but there you go. – soup-bowl Commented Oct 29, 2018 at 15:36
• Not sure what you mean by "violates the REST approach"? But I already posted an answer for the original question. – Sally CJ Commented Oct 30, 2018 at 1:20
• Went on a ramble. This is a paginated request, and the page identifer was also an argument like this. I changed it to test-data/process/page/2 to make it more clearer. Some of my older API practices were coming in. – soup-bowl Commented Oct 30, 2018 at 9:01

Add a comment  | 

1 Answer 1

Sorted by: Reset to default 1

The problem is with the bbe_sortables&replace in the permalink:

<My URL>/wp-json/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce>

which results in an invalid route, where the supposedly query string is seen as part of the route:

/bridge/v1/test-data/process/bbe_sortables&replace&_wpnonce=<thenonce>

(the valid route for that URL is /bridge/v1/test-data/process/bbe_sortables)

and eventually the REST API throws the rest_no_route error.

To fix the problem, use add_query_arg() when generating the URL, to append the proper query string; e.g. with rest_url():

$url = add_query_arg( array(
    'replace'  => 'VALUE',
    '_wpnonce' => 'VALUE',
), rest_url( 'bridge/v1/test-data/process/bbe_sortables/' ) );

/* Sample $url output:

a) Permalinks enabled
http://example/wp-json/bridge/v1/test-data/process/bbe_sortables/?replace=VALUE&_wpnonce=VALUE

b) Permalinks *not* enabled
http://example/index.php?rest_route=%2Fbridge%2Fv1%2Ftest-data%2Fprocess%2Fbbe_sortables%2F&replace=VALUE&_wpnonce=VALUE
*/

Or if you're certain that permalinks are always enabled on the site, then this would be fine:

rest_url( 'bridge/v1/test-data/process/bbe_sortables/?replace=VALUE&_wpnonce=VALUE' )

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