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I'm trying to check by a post title if post exist or not. For some reason when i try something like:
http://domain.com/wp-json/wp/v2/posts?filter[post-title]=table
I want if post with the name table exist, to get the post, if not, get an empty response. But for some reason when post with title not exist i get all posts back. How could get empty when no post exist and the post when it exist.
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If you want to use the Fetch API with WordPress, you simply have to call the fetch function in your JavaScript code. Follow that function with a . then handler to access the content. You can then display it on your website or in your web application.
To use the WordPress REST API, simply add /wp-json/wp/v2/posts to the end of your WordPress site URL. This will give you a list of posts (in JSON format). The default number of posts returned is 10, but you can choose to show more or less with the per_page argument — we'll talk about that below.
Unfortunately it is not possible, but you can use slug instead. Slug is editable part of the URL when writing a post and they can represent title of the page (or it can be changed into this).
http://example.com/wp-json/wp/v2/posts?slug=table
More details: https://developer.wordpress.org/rest-api/reference/pages/#arguments
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According to http://v2.wp-api.org/, some have to use search keyword :http://domain.com/wp-json/wp/v2/posts?search=table.
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