iteration_variables.sh

[{
"url": "http://127.0.0.1:5000",
  "user_id": "1",
  "id": "1",
  "token_id": "123123",
},{
  "url": "http://postman-echo.com",
  "user_id": "2",
  "id": "2",
  "token_id": "899899",
}]$ newman run mycollection.json -d data.json