How to use the WP REST API for custom listing attributes?

[thefourcraft]

Recently I erased a question on this form on how to use the API to publish listings

Create a listing using the API

I want to integrate a Hivepress website with a 3rd party something But from searching the forum, I found out that this is impossible because the API isn’t 100% covered yet But, WordPress has a good API and form working with Hivepress I know that at the end of the day, this is just a post type “hp_listing” that handles all the listings The category for listings is a custom field? or it’s the same as all other post types? About API “In addition to the default listing fields, you can also …

While I have managed to figure it out and successfully upload listings without any issues, now I’m facing the problem of how to use custom-created attributes?

For example, I have an attribute named hello_world
How can I use the API to update this attribute? I have created a post using the WordPress API, and now I want to update the attribute of that post

How can I do that?

[ihor]

If you use the default WP REST API endpoint, then please follow the instructions in this reply Create a listing using the API - #9 by ihor regarding the attributes implementation e.g. if the hello_world attribute is text or number then you can update it as the hp_hello_world custom meta field.