As of July 2023 Postman v10.15

Postman has added testing API with performance tab and can run multiple request at the same time.

This also come with metrics as how much your API performs stated in here

this answer is based of @walter33

As of Feb 2024 Postman v10.22 (Updated)

@Nermin, Postman has added testing API with data file on performance tab.

You can add csv or json file and preview the data before you run the API as stated here

As of July 2023 Postman v10.15

Postman has added a testing API with a performance tab and can run multiple requests at the same time.

This also come with metrics as how much your API performs stated in here

this answer is based off of @walter33's answer, which includes more detail

As of Feb 2024 Postman v10.22 (Updated)

@Nermin, Postman has added testing API with data file on performance tab.

You can add a csv or json file and preview the data before you run the API as stated here.

As of July 2023 Postman v10.15

Postman has added testing API with performance tab and can run multiple request at the same time.

This also come with metrics as how much your API performs stated in here

this answer is based of @walter33

As of July 2023 Postman v10.15

Postman has added testing API with performance tab and can run multiple request at the same time.

This also come with metrics as how much your API performs stated in here

this answer is based of @walter33

As of Feb 2024 Postman v10.22 (Updated)

@Nermin, Postman has added testing API with data file on performance tab.

You can add csv or json file and preview the data before you run the API as stated here