MB Rest API is an extension for Meta Box which helps you to get and update custom fields’ values (meta value) from posts, pages, custom post types, terms via the WordPress REST API.

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You need to install Meta Box plugin and WordPress REST API first

  • Go to Plugins | Add New and search for Meta Box
  • Click Install Now button to install the plugin
  • After installing, click Activate Plugin to activate the plugin

Repeat the same process for WP REST API and MB Rest API.


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Contributors & Developers

“MB Rest API” is open source software. The following people have contributed to this plugin.


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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.


2.0.2 – 2024-07-02

  • Fix not updating WooCommerce products

2.0.1 – 2023-10-14

  • Ensure group value is always an array. Fix PHP warning when group has no values.

2.0.0 – 2023-10-11

  • Complete rewrite the plugin for clarity and maintainability
  • Add support for settings page, allow you to get and update data for settings pages
  • Show errors when updating non-existing fields

1.5.1 – 2023-08-16

  • Fix cannot update user meta in a custom table (#18)

= 1.5.0 – 2023-07-29
– Remove fields in the Rest API responses with hide_from_rest = true
– Do not show MB User Profile fields in the Rest API responses

1.4.1 – 2023-05-17

  • Fix not working with _filter.

1.4.0 – 2019-12-12

  • Add support for comment meta. Requires MB Comment Meta plugin.

1.3.6 – 2019-11-07

  • Fix term meta not available.


  • Fixed not updating fields in custom tables.


  • Make it safe to include into AIO plugin.
  • Removed _state from returned value for groups.


  • Fixed not updating user meta.


  • Fixed custom fields for terms not saving for POST request. Props Mirza Pandzo.
  • Fixed wrong key for post_tag. Props Mirza Pandzo.


  • Removed fields that have no values from the response (divider, heading, etc.).


  • Added fully support for terms and users. Both get and update meta values.


  • Improvement: The update callback now can accept array of params


  • Improvement: Add update callback
  • Fix: Make sure the returned values of image/file fields are always array


  • Fix: error when MB Term Meta is not installed


  • Initial release