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WP REST API - Adding Your Own Endpoint

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Need to get to know the WordPress REST API? In this webinar, I cover the history of the REST API, which pieces of the API are in WordPress core, how the REST API is being used on real-world websites, and walk you through creating your very own endpoint on your WordPress site.

Published in: Technology

WP REST API - Adding Your Own Endpoint

  1. 1. WP REST API: Adding Your Own Endpoint Keanan Koppenhaver http://levelupwp.net https://www.facebook.com/levelupwp http://github.com/kkoppenhaver
  2. 2. Who Am I? • WordPress Developer at doejo for 3 years • Worked on WP sites large (XX,XXX posts) and small (5 simple pages) • Have recently been using just pieces of the WP REST API in production
  3. 3. Why are we here today? • Learn a little about the WP REST API • See some real world examples • Learn which pieces of the API are available in core • Learn how to create our own endpoint
  4. 4. Questions? Ask them anytime in the chat box below.
  5. 5. How did the REST API come about? • Proposed just after the WP Community Summit in 2012 • JSON over XML because of how it maps to programming language constructs • REST because the REST paradigm matches up well with the CMS structure • Merged* into Core on October 8, 2015 
 (https://core.trac.wordpress.org/changeset/34928) Source: https://youtu.be/tV4IuS_KnvU?t=19m24s
  6. 6. WP REST API in the wild • ustwo.com • WP Live Search • A “Digital Newspaper” with the WP API • WP Powered Mobile Apps • Any many more…
  7. 7. Demo: ustwo.com
  8. 8. Demo: ustwo on Github
  9. 9. Is the WP REST API part of WP Core? • Yes* • Infrastructure is in core • Prebuilt endpoints aren’t in core • We can create our own endpoints without an additional plugin • If we want all the endpoints we need a plugin
  10. 10. What does the plugin give us? • Endpoints on posts, pages, revisions, media, post types, post statuses, comments, taxonomies, categories, tags and users • Can be enabled for CPT or custom taxonomy • For a full list, see the reference
  11. 11. And without the plugin? • No endpoints available, but they can be created • Step 1: Create a function to return the necessary data • Step 2: Register with register_rest_route • Step 3: Flush Rewrite Rules • Step 4: Profit!
  12. 12. Step 1 Create a function to return the necessary data
  13. 13. Step 2 Register with register_rest_route
  14. 14. Step 3 Flush Rewrite Rules
  15. 15. Step 4 Profit!
  16. 16. Q&A Keanan Koppenhaver http://levelupwp.net https://www.facebook.com/levelupwp http://github.com/kkoppenhaver

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