jsonpostmanwebapi

POSTMAN Json string parsing issue

Good day, I am sending a post request to Localhost for an API end point using Postman but facing an issue. Postman Body Relevant C# method is as below:

public IActionResult SavePaymentPlan(string obj)
{
    DebtPaymentInfo info = JsonConvert.DeserializeObject<DebtPaymentInfo>(obj);
    IActionResult response = Unauthorized();
}

I know in Postman is requiring obj of above method. How to mention this in Postman body?

I have tried to mention obj in different ways but nothing worked.

Solution

  • There is a mismatching of the data you pass (JSON) and what server is expected (string). Few improvements:

    Use JsonObject OR custom dto instead of a string.

    [HttpPost("SavePaymentPlan")]
public IActionResult SavePaymentPlan([FromBody] JsonObject obj)
{
    return Ok(obj);
}

    And then pass a JSON data from Postman.

    enter image description here

    If you want to pass it as a string, then convert JSON object to a string and then send it.

    "{\"isPaymentPlanAvailable\":false}"