Using collections feature in post man , we can able to run the request with different data.

  1. Create a request and add to a collection.
  2. Click on Runner.
  3. Choose collection from the search wizard.
    1. choose json/csv in the data file
    2. choose delay number by default is 0
    3. choose iteration number depends number of rows available in the csv/json file.

Please go through the below images for better understanding,