You can leverage Postman’s Find and replace feature to achieve this.
This will help you replace text or values of all requests at a time .
You can select to search (and replace) across all elements within a workspace or limit to the required elements.
Note: This feature is only available on the Postman desktop app at the moment. If you’re looking to set dynamic values within your requests and scripts, refer to the learning center section on using variables.
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