An attempt to help the Joomla! 4.x/5.x/6.x early adopters mainly focused for developers. It's an unofficial Postman collection of official Joomla Web Services Specification.

• Click on the Run in Postman button above or below in this README
• Follow the instructions (You should fork the collection in your own postman workspace)
• You should now have a new collection of endpoints in Postman
• Click on the collection, then on the ... on the right of the collection to open the settings for the collection
• Set your own values for Authentication and Variables per the steps below
• Test a generic GET request from the list to then confirm your authentication is working and your base_url and base_path is set correctly.

Authentication is done using a Joomla API Token. To get the token, go to your Super User profile in your Joomla 4 Installation and activate then copy the API key. In Postman, edit the Collection and then click on the Authorization tab.

• Select Type = "API Key"
• For the Key field, enter "X-Joomla-Token"
• In the Value field, paste your Joomla API Token
• For the Add To field, leave the value as "Header"
• Click Update to save the settings or click on Variables tab to modify your Base Path variable.

The URLs are set via base_url and base_path. You should set this variable within your collection.

• Click the 3 dots on the collection.
• Select Edit.
• Click on the variables tab.
• Add (or update) the base_url and base_path variable, setting the Initial Value field to the URL for your Joomla for installation.

The Postman generated Api documentation of Joomla! 4 Webservices collection