Postman Tutorial - Run API Request multiple times with different Data Sets using external JSON file

Learn how to use external data files like CSV and JSON files to run API request multiple times with different data sets.

Postman allows us to use external data files in Collection Runner to run API Requests in multiple iterations by using the data variables. We can select a JSON or CSV data file in Collection Runner. The data file will contain different variables with multiple values which in turn can be used within the API Requests or API Tests.

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[Gla-ii]

Very Detailed. Most of other videos doesn't shows that we need to add Variables in Header.

[ankurbishnoi]

Thank you so much for this video.. I was trying to find this particular solution from quite a long time now but was unable to find it.

[MrSalFav]

Very useful indeed. Thank you so much

[CyberConnect]

its really fruitfull but can you share one video by .csv how we put mupltiple values

[mateussudbrack]

currently fav vid. fucking lov u for this. just used it at my job

[harishkce]

Quick question : what if my collection has multiple request eg :5-10 request and if we upload a csv file as test data file ...is it applicable to use the test data value in all the multiple requests ? how does the iteration works ?

[foodfedyumm]

If we have different api request within same collection with different data .In that case how csv file should be designed .

[WeinsteinPlayfair]

Runner is in the lower-right of the screen now, fwiw.

[aktar]

when you run your test cases from collection runner, without selecting environmetn, your test should fail but they pass. mine failed and I selected weather api environment and they all passed. ???