Retrieve posts by page in wp rest api

Well, you can add ?page={$page_number} to the URL that you’re requesting.

See, for example, http://demo.wp-api.org/wp-json/wp/v2/posts/?page=2.

It appears to split the posts into pages of 10.

Reference

  • WP-API documentation (I found this in the docs for v1 of the API, but per the sample URL above, it works on v2 as well)