title: Postman error: "Unable to verify the first certificate" when try to get from my .net core api
body: <p>I have my brand new .NET Core service with API and I want to get list of items inside it. It's hosted on localhost and I always have this error:</p>
  <pre><code>16 ms
  Warning: Unable to verify the first certificate
  Network
  Request Headers
  User-Agent: PostmanRuntime/7.26.8
  Accept: */*
  Postman-Token: e64e10c3-8e3a-4b47-9427-d994e2bdc9fd
  Host: localhost:44397
  Accept-Encoding: gzip, deflate, br
  Connection: keep-alive
  Request Body
  Response Headers
  Transfer-Encoding: chunked
  Server: Microsoft-IIS/10.0
  X-Powered-By: ASP.NET
  Date: Tue, 19 Ja
  
  n 2021 14:06:14 GMT
  Response Body
  </code></pre>
  <p>How to fix it? I disabled/enabled SSL certification but it no helps.</p>