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WordPress REST API Basic Authentication Method



WordPress REST API Basic Auth / Authentication Method involves the REST APIs access on validation against the API token generated based on the user’s username,password and on basis of client credentials. Each time a request to access the API will be made, the authentication will be done against that token, and on the basis of the verification of the API token, the resources for that API request will be allowed to access.

Get this plugin
WordPress REST API Authentication

Download And Installation

  • Log into your WordPress instance as an admin.
  • Go to the WordPress Dashboard -> Plugins and click on Add New.
  • Search for a WordPress REST API Authentication plugin and click on Install Now.
  • Once installed click on Activate.

REST API Basic Auth using UserName & Password :

  • Select REST API Authentication method → Basic Auth and Authentication Key → Username:Password and click on Save Configuration.
    • WordPress REST API Basic Authentication method using username and password
  • After you save the REST API Basic Auth Configuration, to access the WordPress REST APIs, you need to send a REST API request with your respective Authorization Key. You need to use the request format as shown below.
    • Request: GET https://<domain-name>/wp-json/wp/v2/posts
Header: Authorization : Basic base64encoded <username:password>

Sample request: GET https://<domain-name>/wp-json/wp/v2/posts
Header: Authorization : Basic eGw2UllOdFN6WmxKOlNMRWcwS1ZYdFVrbm5XbVV2cG9RVFNLZw==
Example =>  username : testuser and password : password@123
  • Php base64_encode(string) function for base64 encoding can be used as follows:
    • base64_encode(‘testuser:password@123’) will result into 
‘eGw2UllOdFN6WmxKOlNMRWcwS1ZYdFVrbm5XbVV2cG9RVFNLZw==’ as output.

REST API Basic Auth using Client ID and Client secret :

  • Select REST API Authentication method → Basic Auth and Authentication Key → Client-ID:Client-Secret and click on Save Configuration.
    • WordPress REST API Basic Authentication method using client-id and client-secret
  • After you save the REST API Basic Auth Configuration, to access the WordPress REST APIs, you need to send a REST API request with your respective Authorization Key. You need to use the request format as shown below.
    • Request: GET https://<domain-name>/wp-json/wp/v2/posts
Header: Authorization : Basic base64encoded <client-id:client-secret>

Sample request: GET https://<domain-name>/wp-json/wp/v2/posts
Header: Authorization : Basic eGw2UllOdFN6WmxKOlNMRWcwS1ZYdFVrbm5XbVV2cG9RVFNLZw==
Example => Client ID : pSYQsKqTndNVpNKcnoZd and Client Secret = SrYPTViHdCbvkWyTfWrSltavTMeJjaOHCye
  • Php base64_encode(string) function for base64 encoding can be used as follows:
    • base64_encode(‘pSYQsKqTndNVpNKcnoZd:SrYPTViHdCbvkWyTfWrSltavTMeJjaOHCye’) will results into 
cFNZUXNLcVRuZE5WcE5LY25vWmQ6U3JZUFRWaUhkQ2J2a1d5VGZXclNsdGF2VE1lSmphT0hDeWU= as output.
  • Check out the developer documentation for more details.

Postman Samples:

    Follow the steps below to make REST API request using Postman:

  • Click on the Postman Samples tab in the plugin.
    • WordPress REST API Basic Authentication method postman implementation
  • A JSON file will be auto downloaded.
    • a) For Username-Password
      • WordPress REST API Basic Authentication method postman JSON file for username : password
    • Import the downloaded JSON file into the Postman Application as shown below.
      • WordPress REST API Basic Authentication method postman import JSON file
    • Once you import the json file, click on the REST API request under the Collections as shown in the last figure. Replace the <wp_base_url> with your Wordpress domain in the http://<wp_base_url>/wp-json/wp/v2/posts and replace the base64encoded <username:password> in the header with the base encoded value.
      • WordPress REST API Authentication key method postman replace base url
    • a) For Client ID and Client Secret
      • WordPress REST API Basic Authentication method postman JSON file for client id and client secret
    • Import the downloaded JSON file into the Postman Application as shown below.
      • WordPress REST API Basic Authentication method postman import JSON file
    • Once you import the json file, click on the REST API request under the Collections as shown in the last figure. Replace the <wp_base_url> with your Wordpress domain in the http://<wp_base_url>/wp-json/wp/v2/posts and replace the base64encoded <clientid:clientsecret> in the header with the base encoded value.
      • WordPress REST API Basic Authentication method postman replace base url

Need Help?

Mail us on oauthsupport@xecurify.com for quick guidance(via email/meeting) on your requirement and our team will help you to select the best suitable solution/plan as per your requirement.


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