How would I know if my system using REST api or not?

You can find it simply Go to the network tab of the browser’s developer tools, and see if it makes any AJAX requests.

If it does, and that response includes pure data, then that is an API.

Related Posts:

  1. Is the WordPress REST API installed and enabled in a vanilla WordPress 4.7 installation?
  2. check the requesting url
  3. WP REST API Require Password for GET Endpoint
  4. How to use _embed when using _fields?
  5. WP REST API V2 – Retrieve sub page by full slug (URL/Path)
  6. Filter posts by multiple custom taxonomy terms using AND operator in REST API v2 (WordPress)
  7. WP REST API core major changes
  8. How to get all posts from parent and children categories?
  9. How to use the WP REST API for new user registration (sign up form)?
  10. Can I authenticate with both WooCommerce consumer key and JWT?
  11. Attach featured image to custom endpoints
  12. WP REST API: check if user is logged in
  13. REST API URL parameters not working with apache server
  14. Adding post fields in wp-json/wp/v2/search
  15. Unable to get the info of the user which doesn’t have created any post via REST API
  16. WordPress Gutenberg get page template value when post updated?
  17. WordPress REST API “rest_authentication_errors” doesn’t work external queries?
  18. Can’t GET draft posts via REST API from headless frontend
  19. How to update custom meta fields with rest api?
  20. Query the REST API for a Tag by slug
  21. Rest API Custom Endpoint with space character
  22. apiFetch security
  23. Rest API and Custom Fields
  24. WordPress REST API, Expired Nonce from Cache results in 403 forbidden
  25. WP Rest API: Get User by Email
  26. Application Password is not enable by default?
  27. Gutenberg Custom Block Getting All Posts
  28. Cannot get ‘sanitize_callback’ to work for rest parameters
  29. Can we assume that /wp-json/ will always be /wp-json/ under any circumstances when creating custom REST routes?
  30. Passing a borrowed nonce through Postman fails
  31. How to use current_user_can() in register_rest_route()?
  32. How to hook into “register_rest_field” to modify the behavior of a custom field?
  33. Get all PDF files from page with WordPress API
  34. current_user_can(‘administrator’) returns false when I’m logged in
  35. What’s the “?P” register rest api construct, what is for and where to find official docs?
  36. How to add / embed an author into REST data from a custom post type?
  37. WordPress REST API json – How to activate gzip compression?
  38. How to enable the view of revisions of post in WordPress Api for custom post type?
  39. Problem on creating custom endpoints for REST
  40. New user signup via REST API
  41. Ho to style post content for WordPress API?
  42. WordPress custom endpoint returning blank response
  43. How to force JWT auth for default GET endpoints of WordPress rest api?
  44. WP REST API can’t set post tags
  45. WP API post__not_in is not working
  46. WP_REST_Response() doesn’t seem to return the expected object
  47. Setting ?context=edit results in rest_forbidden_context, even for an Administrator user
  48. WP Rest Api- Update callback (POST request) to existing database table through the rest api
  49. Save default options as an array of options and display in REST API
  50. Sidebar endpoint using WordPress API
  51. Get custom posts in gutenberg block
  52. WordPress REST Api get posts by ID
  53. [Zapier + WP Webhooks Pro]: Custom Fields get cut off at first comma or semicolon
  54. Which route in the WP REST API do I access data passed into register_setting()?
  55. How to use Python to create a Post in WordPress?
  56. Getting 401 (access denied) when trying to use the REST API
  57. Send a get request to wordpress
  58. How to add an endpoint to WP
  59. How to set up the REST API to refer to media on a CDN
  60. Best Authetication between REST API and Mobile App
  61. Replace content via rest api only?
  62. WP rest api endpoint protection using jwt token
  63. WP Rest API – Change response status code for failed validation request
  64. Unable to create a Rest end-point
  65. Log in user using WordPress REST API
  66. Can i fetch the list of pouplar posts of last 24 hours from WordPress API?
  67. IIS Authorization Rules breaks WP REST-API and results in fail in Site Health
  68. How to delete all instances of the image using REST API
  69. REST API connection on another site with post information and permalink
  70. Performance of WordPress Rest API vs WordPress Feeds
  71. trigger WordPress rest any API call
  72. WordPress Rest Api rest_cannot_edit
  73. WordPress REST API in Integromat: How to overcome “Sorry, you are not allowed to list users / edit this…”
  74. how to create JSON array [] for REST response?
  75. Getting 401 unauthenticated error in WP Rest API revisions
  76. How to receive JSON payload from a digital device
  77. WordPress Custom Rest Api – How to get Image Url?
  78. Remote publishing using WP’s RetAPI // Issues with HTACCESS
  79. save_post hook error with REST API
  80. Connecting WordPress with an External API
  81. Users REST API not working?
  82. Using WordPress solely as a Backend – dealing with WP_SITEURL
  83. phpmailer_init ignored on REST calls
  84. use WordPress Rest API to build a web application
  85. order by meta start_dato value (ACF)
  86. REST Request Post including meta/custom fields
  87. Display Post Featured Image along with Categories via WP Rest API
  88. Why wp_set_password not working within a api endpoint?
  89. WordPress api returns distinct data
  90. Redefine REST API variables
  91. Handling _embed for custom REST API endpoints
  92. Restructure Objects coming from Rest-Api
  93. Where is the HTML content for my post in the API
  94. WordPress Rest API Escapes Returned URLs Forward Slash
  95. Script tag in string in wordpress rest api body to create post
  96. Securing REST API wp-json/wp/v2/users endpoint
  97. Customizer Changeset, Sidebar and Rest API Custom Endpoints
  98. WordPress REST API won’t allow me to filter by author ID when called internally, works externally in Postman
  99. Rest API is running, but /wp-json/wp/v2/ shows only old dates
  100. Rest Api Error ‘ Error: {‘code’: ‘rest_no_route’, ‘message’: ‘No route was found matching the URL and request method.’, ‘data’: {‘status’: 404}}@ [closed]