insomnia/packages/insomnia-httpsnippet/test/fixtures/requests/application-form-encoded.json

{
  "method": "POST",
  "url": "http://mockbin.com/har",
  "headers": [
    {
      "name": "content-type",
      "value": "application/x-www-form-urlencoded"
    }
  ],
  "postData": {
    "mimeType": "application/x-www-form-urlencoded",
    "params": [
      {
        "name": "foo",
        "value": "bar"
      },
      {
        "name": "hello",
        "value": "world"
      }
    ]
  }
}