How to post to MVC endpoint via postman with JSON object

Question

I have a JSON object and trying to have a post request to my API endpoint.

In my Listing controller I have the following function

[HttpPost]
public async Task<IActionResult> Import(GetImportInput input)
{

    return StatusCode(200);
}

GetImportInput.cs

public string Name {get; set;}

Postman details:

ContentType = application/json

Body = {
            "name" : "Rabbit"
       }

When I put a breakpoint inside my Import method, the breakpoint hits, but the parameter input does not have the value Rabbit. May I ask how do I properly get my postman to send the body so my controller method will pick it up.

Header Tab

Ok. as well as that please also try public async Task<IActionResult> Import([FromBody] GetImportInput input) (see andrewlock.net/model-binding-json-posts-in-asp-net-core and stackoverflow.com/a/45086673/5947043 and others) — ADyson
– ADyson, Commented Aug 11, 2020 at 0:34

Roar S. · Accepted Answer · 2020-08-11 00:41:18Z

4

You are missing [FromBody] in your controller method, casing is not an issue here. Remember to use header Content-Type: application/json when testing this with Postman.

public class ListingController : ControllerBase
{
    [HttpPost]
    public IActionResult Import([FromBody]GetImportInput input)
    {
        return StatusCode(200);
    }
}

answered Aug 11, 2020 at 0:41

Roar S.

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