curl --request GET \
  --url https://{workspace}.klef.ai/api/workers/{id}/history/{version} \
  --cookie klef.session=

import requests

url = "https://{workspace}.klef.ai/api/workers/{id}/history/{version}"

headers = {"cookie": "klef.session="}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {cookie: 'klef.session='}};

fetch('https://{workspace}.klef.ai/api/workers/{id}/history/{version}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{workspace}.klef.ai/api/workers/{id}/history/{version}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_COOKIE => "klef.session=",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://{workspace}.klef.ai/api/workers/{id}/history/{version}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("cookie", "klef.session=")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://{workspace}.klef.ai/api/workers/{id}/history/{version}")
  .header("cookie", "klef.session=")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{workspace}.klef.ai/api/workers/{id}/history/{version}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["cookie"] = 'klef.session='

response = http.request(request)
puts response.read_body

{
  "result": {
    "id": "<string>",
    "employeeId": "<string>",
    "legalName": {
      "givenName": "<string>",
      "familyName": "<string>"
    },
    "preferredName": {
      "givenName": "<string>",
      "familyName": "<string>"
    },
    "name": "<string>",
    "email": "<string>",
    "businessCommunication": {
      "emails": [
        {
          "address": "<string>",
          "isPrimary": true
        }
      ],
      "phones": [
        {
          "kind": "mobile",
          "number": "<string>",
          "extension": "<string>",
          "isPrimary": true
        }
      ]
    },
    "personalCommunication": {
      "emails": [
        {
          "address": "<string>",
          "isPrimary": true
        }
      ],
      "phones": [
        {
          "kind": "mobile",
          "number": "<string>",
          "extension": "<string>",
          "isPrimary": true
        }
      ]
    },
    "profile": {
      "preferredLanguage": "<string>",
      "timeZone": "<string>",
      "photoUrl": "<string>"
    },
    "workAuthorization": {
      "type": "<string>",
      "country": "<string>",
      "expiresOn": "<string>"
    },
    "lifecycle": {
      "originalHireDate": "<string>",
      "seniorityDate": "<string>",
      "probationEndDate": "<string>",
      "terminationDate": "<string>",
      "separationType": "unspecified",
      "terminationReason": {
        "code": "<string>",
        "name": "<string>"
      },
      "isTransfer": true
    },
    "leave": {
      "isOnLeave": true,
      "type": "unspecified",
      "startDate": "<string>",
      "expectedReturnDate": "<string>"
    },
    "isContractor": true,
    "source": "adp_workforce_now",
    "sourceId": "<string>",
    "startDate": "<string>",
    "endDate": "<string>",
    "status": "unspecified",
    "lifecycleStage": "pre_start",
    "customFields": [
      {
        "code": "<string>",
        "name": "<string>",
        "kind": "text",
        "value": "<unknown>"
      }
    ],
    "assignments": [
      {
        "id": "<string>",
        "sourceId": "<string>",
        "isPrimary": true,
        "status": "unspecified",
        "workerType": "employee",
        "employmentType": "unspecified",
        "timeType": "unspecified",
        "department": {
          "code": "<string>",
          "name": "<string>"
        },
        "costCenter": {
          "code": "<string>",
          "name": "<string>"
        },
        "businessUnit": {
          "code": "<string>",
          "name": "<string>"
        },
        "job": {
          "code": "<string>",
          "name": "<string>"
        },
        "position": {
          "code": "<string>",
          "name": "<string>"
        },
        "assignedLocation": {
          "code": "<string>",
          "name": "<string>",
          "line1": "<string>",
          "line2": "<string>",
          "city": "<string>",
          "region": "<string>",
          "postalCode": "<string>",
          "country": "<string>"
        },
        "physicalLocation": {
          "code": "<string>",
          "name": "<string>",
          "line1": "<string>",
          "line2": "<string>",
          "city": "<string>",
          "region": "<string>",
          "postalCode": "<string>",
          "country": "<string>"
        },
        "managerId": "<string>",
        "manager": "<string>",
        "startDate": "<string>",
        "endDate": "<string>",
        "customFields": [
          {
            "code": "<string>",
            "name": "<string>",
            "kind": "text",
            "value": "<unknown>"
          }
        ],
        "organizationUnits": [
          {
            "isPrimary": true,
            "type": "<string>",
            "code": "<string>",
            "name": "<string>"
          }
        ],
        "reporting": {
          "manager": {
            "id": "<string>",
            "name": "<string>",
            "jobTitle": "<string>"
          },
          "unsyncedManager": "<string>",
          "teammates": [
            {
              "id": "<string>",
              "name": "<string>"
            }
          ]
        }
      }
    ],
    "accounts": [
      "adp_workforce_now"
    ],
    "version": 123,
    "isCurrent": true,
    "primaryAssignment": {
      "id": "<string>",
      "sourceId": "<string>",
      "isPrimary": true,
      "status": "unspecified",
      "workerType": "employee",
      "employmentType": "unspecified",
      "timeType": "unspecified",
      "department": {
        "code": "<string>",
        "name": "<string>"
      },
      "costCenter": {
        "code": "<string>",
        "name": "<string>"
      },
      "businessUnit": {
        "code": "<string>",
        "name": "<string>"
      },
      "job": {
        "code": "<string>",
        "name": "<string>"
      },
      "position": {
        "code": "<string>",
        "name": "<string>"
      },
      "assignedLocation": {
        "code": "<string>",
        "name": "<string>",
        "line1": "<string>",
        "line2": "<string>",
        "city": "<string>",
        "region": "<string>",
        "postalCode": "<string>",
        "country": "<string>"
      },
      "physicalLocation": {
        "code": "<string>",
        "name": "<string>",
        "line1": "<string>",
        "line2": "<string>",
        "city": "<string>",
        "region": "<string>",
        "postalCode": "<string>",
        "country": "<string>"
      },
      "managerId": "<string>",
      "manager": "<string>",
      "startDate": "<string>",
      "endDate": "<string>",
      "customFields": [
        {
          "code": "<string>",
          "name": "<string>",
          "kind": "text",
          "value": "<unknown>"
        }
      ],
      "organizationUnits": [
        {
          "isPrimary": true,
          "type": "<string>",
          "code": "<string>",
          "name": "<string>"
        }
      ],
      "reporting": {
        "manager": {
          "id": "<string>",
          "name": "<string>",
          "jobTitle": "<string>"
        },
        "unsyncedManager": "<string>",
        "teammates": [
          {
            "id": "<string>",
            "name": "<string>"
          }
        ]
      }
    }
  },
  "errors": [
    {
      "errorCode": "validation_error",
      "errorMessage": "<string>",
      "target": "<string>"
    }
  ]
}

{
  "result": "<unknown>",
  "errors": [
    {
      "errorCode": "validation_error",
      "errorMessage": "<string>",
      "target": "<string>"
    }
  ]
}

{
  "result": "<unknown>",
  "errors": [
    {
      "errorCode": "validation_error",
      "errorMessage": "<string>",
      "target": "<string>"
    }
  ]
}

{
  "result": "<unknown>",
  "errors": [
    {
      "errorCode": "validation_error",
      "errorMessage": "<string>",
      "target": "<string>"
    }
  ]
}