Query REST API by Meta Box Value - Support Forums

This topic has 1 reply, 2 voices, and was last updated 2 years, 5 months ago by Anh Tran.

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July 2, 2019 at 11:16 AM #15201

GreatNews.Life
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is there a built in way to do this? Ive googled and googled before posting... I have metabox taxonomy select fields for posts... and id like the API to show posts by metabox/taxonomy
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July 3, 2019 at 9:31 AM #15220

Anh Tran

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Hi,

Did you mean querying posts by custom fields?

If so, please try this code:

add_filter( 'rest_{type}_query', function( $args ) {
    $args['meta_query'] = array(
        array(
            'key'   => 'my_field',
            'value' => esc_sql( $_GET['field'] ),
        )
    );

    return $args;
} );

REST URL:

http://site.com/wp-json/wp/v2/posts?field=test

The wildcard {type} can be: post | user | comment | attachment | custom post type | taxonomy.

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