What’s the right way to validate JSON data coming from an AJAX POST request?

Related Posts:

1. Custom endpoint to get all custom taxonomy terms
2. Custom WP Rest API Endpoints from JSON Schema
3. Custom rest api endpoint response json problem
4. Why is my custom API endpoint not working?
5. WordPress REST API validation
6. How to define a query parameter with REST API?
7. WordPress Rest API: How do we validate with our custom API key?
8. authentication issue with rest api – rest_cannot_create
9. WordPress 4.7 REST API endpoints
10. wordpress wp-json prefix issue
11. How to: Rest endpoint returning empty object
12. Can we access the REST request parameters from within the permission_callback to enforce a 401 by returning false?
13. Can I define multiple callback methods depending on the call method?
14. WordPress REST API “rest_authentication_errors” doesn’t work external queries?
15. Can’t GET draft posts via REST API from headless frontend
16. Query the REST API for a Tag by slug
17. Rest API Custom Endpoint with space character
18. Formating content rendered from wordpress REST API as JSON and not HTML
19. WordPress REST API – Modify JSON before importing
20. Why does AWStats show /wp-json* as Viewed URLs
21. Is there anyway to format my EndPoint URL in WordPress?
22. How to order WordPress Rest API data
23. WP Rest API – How to convert embedded to json object in Java [closed]
24. featured image not found in json from wp rest api
25. Custom Rest API POST endpoint with conditionally required parameters
26. rest_sanitize_value_from_schema doesn’t sanitize string
27. How to force JWT auth for default GET endpoints of WordPress rest api?
28. WordPress Rest API custom endpoint for RSS feed
29. WordPress JSON data to and from database to be shown on rest point
30. How to Get Featured Image from REST API?
31. If I use WordPress REST API V2 and someone makes an app using it. Will my site count the posts views from the APP? And if not, then how?
32. How to connect android app with WordPress website?
33. JSON – Create rest api endpoint for Advanced Custom Fields
34. Custom WP API endpoint NULL body data
35. Is there a way I can fetch the WordPress Developer Code References with an API?
36. 403 error when publishing a post in wordpress. Error => Publishing failed. The response is not a valid JSON response
37. WP Rest API – Change response status code for failed validation request
38. Error message: Response is not a valid JSON response
39. WordPress REST API not working on localhost
40. DELETE request using WP REST API
41. how to create JSON array [] for REST response?
42. WP Rest API in Android studio does not show Images
43. How do i POST to WordPress rest API from the same domain?
44. How to receive JSON payload from a digital device
45. WP CLI in WP 5.3 with PHP 7.4
46. Get wordpress post with featured image, category and tag from WordPress API
47. WordPress API “code”:”rest_no_route” with Custom Route
48. How can I secure my custom rest api endpoint or add under a already existing rest group
49. Autotrader API Integration
50. REST API get featured image source for custom post type
51. Fix Characters WordPress Ionic App
52. Display Post Featured Image along with Categories via WP Rest API
53. WordPress REST API not displaying all information
54. oneOf two possible objects in WP REST API?
55. WordPress Rest API Escapes Returned URLs Forward Slash
56. Securing REST API wp-json/wp/v2/users endpoint
57. Delete row from table using custom endpoint via API
58. WordPress json – How to use the content rendered from json
59. Does something like is_rest() exist
60. WP REST API — How to change HTTP Response status code?
61. Understanding SHORTINIT with WordPress 5
62. How do I create a user using the new JSON api in 4.7?
63. How to send multipart form data to WordPress endpoint
64. Wp Rest Api Custom Endpoint for page subpages
65. Request object for validate_callback
66. Options to get my custom post type metadata via the WordPress API
67. Exclude posts w/ specific post_meta on Rest API endpoint
68. Return WP_Error as WP_REST_Response
69. What is the meta field in the response of the user REST API?
70. Is there any way to clear cache when making REST API request?
71. Custom API endpoint to create gallery for post
72. Register REST route with a multi-value parameter
73. How do I add meta when creating a post with rest api?
74. Validate rest-api call on create
75. Can’t retrieve body params from PUT endpoint using formdata
76. WordPress REST API rest_comment_invalid_author Sorry, you are not allowed to edit ‘author’ for comments
77. How to delete user using rest api without reassigning
78. Accessing private posts through REST API, same code that works in remote doesn’t in local
79. Rest API: trouble receiving response through script (browser and Postman display correctly)
80. Advanced Access Manager: RESTful endpoint to refresh token
81. Extending REST API responses
82. How to add an endpoint for my custom post type? /wp-json/wp/v2/posts is working but it didn’t in the custom post
83. How to add Relations of a CCT from JetEngine via WordPress Rest API
84. Pass multiple tags slug to rest API
85. Return a WP_REST_Response from an inner function (and not from the root callback)
86. register_rest_route with method POST but in wp-json/ is showing GET
87. Rest Api fetching only one random post
88. How to add field to custom post type endpoint
89. Accessing Custom REST endpoint with rest_do_request()
90. Got Blank issue for get data from /wp-json/v2/post
91. WP API file_get_contents return TTP request failed! HTTP/1.1 401 Unauthorized
92. CRUD from WordPress to Business Central 365 through OData REST API
93. Not able to delete media by REST API
94. Custom rest API route not passing data along
95. How to filter wp-json/wp/v2/users response on custom metas?
96. Fatal error: Call to undefined function register_rest_route()
97. Make Custom Fields Public in JSON – API
98. how to know that a wordpress plugin support using API?
99. Update post / page using API + python
100. Subscriber role cann’t add comment meta using REST API