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  • 1.  Testing using CTK

    TM Forum Member
    Posted Feb 12, 2024 05:04
      |   view attached

    I am trying to validate specification using CTK. I have downloaded and installed CTK, changed config.json URL and payload according to my API but when newman report is generated
    I get the following error

    I am able to publish message to my API using same URL and payload using postman. Need your help if there are any other configuration changes needed to be done in CTK.
    Please find the attachment for report

    Thank you in advance


    PS Sowmya
    Tata Consultancy Services


    Postman Report.pdf   1.11 MB 1 version

  • 2.  RE: Testing using CTK

    TM Forum Member
    Posted Feb 12, 2024 07:07


    I'm not an expert in the details of CTK execution, but the repeated error looks as if the CTK can't find your local endpoint - connectivity problem.

    Good luck

    Jonathan Goldberg
    Amdocs Management Limited
    Any opinions and statements made by me on this forum are purely personal, and do not necessarily reflect the position of the TM Forum or my employer.

  • 3.  RE: Testing using CTK

    TM Forum Member
    Posted Apr 26, 2024 05:24

    Hi, I have encountered exactly the same issue. What I found it to be was the version of Node that was used in conjunction with Newman v4.0.2. If I used a version of Nodejs higher than 19.9.0 you would have this issue. My recommendation would be to install nvm and install this version:

    Mark Neil
    Hansen Technologies

  • 4.  RE: Testing using CTK

    Posted May 19, 2024 13:11

    Validating specifications using CTK can sometimes require a bit of configuration tweaking. You should check this example of a simple config.json:

      "url": "",
      "method": "POST",
      "headers": {
        "Content-Type": "application/json",
        "Authorization": "Bearer your_token"
      "body": {
        "key1": "value1",
        "key2": "value2"

    Info Hills