curl --request POST \
  --url https://api.example.com/dx/api/application/v2/data_views/MemberByExternalID \
  --header 'Content-Type: application/json' \
  --data '
{
  "dataViewParameters": {
    "ExternalID": 34567890
  }
}
'

import requests

url = "https://api.example.com/dx/api/application/v2/data_views/MemberByExternalID"

payload = { "dataViewParameters": { "ExternalID": 34567890 } }
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({dataViewParameters: {ExternalID: 34567890}})
};

fetch('https://api.example.com/dx/api/application/v2/data_views/MemberByExternalID', 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://api.example.com/dx/api/application/v2/data_views/MemberByExternalID",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'dataViewParameters' => [
        'ExternalID' => 34567890
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.example.com/dx/api/application/v2/data_views/MemberByExternalID"

	payload := strings.NewReader("{\n  \"dataViewParameters\": {\n    \"ExternalID\": 34567890\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.example.com/dx/api/application/v2/data_views/MemberByExternalID")
  .header("Content-Type", "application/json")
  .body("{\n  \"dataViewParameters\": {\n    \"ExternalID\": 34567890\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/dx/api/application/v2/data_views/MemberByExternalID")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"dataViewParameters\": {\n    \"ExternalID\": 34567890\n  }\n}"

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

{
  "data": [
    {
      "@version": 1,
      "@class": "Member",
      "ID": "STE6TG95YWx0eV9fTWVtYmVyXzY4OWUxMTk1ZjY4MTRmMDBhNjg5MjJlZA",
      "Name": "Member",
      "UpdateDateTime": "2025-08-14T16:40:53.602Z",
      "CreateDateTime": "2025-08-14T16:40:53.602Z",
      "CreateUser": {
        "@class": "User",
        "ID": "STE6UGVnYVBsYXRmb3JtX19Vc2VyXzY4NjcxYjRjOTU4OGNkM2JmYmVkZjg1Mw"
      },
      "UpdateUser": {
        "@class": "User",
        "ID": "STE6UGVnYVBsYXRmb3JtX19Vc2VyXzY4NjcxYjRjOTU4OGNkM2JmYmVkZjg1Mw"
      },
      "ApplicationName": "Loyalty",
      "UpdateUserID": "systemuser_burgerkingapiuser_rhdlfx8bukx9ttqa",
      "CreateUserID": "systemuser_burgerkingapiuser_rhdlfx8bukx9ttqa",
      "ApplicationVersion": "0.1.0-1",
      "HistoryCounter": 3,
      "Status": "Open-Active",
      "BusinessID": "M-904FZB",
      "pzCaseTypeID": "CaseType-Loyalty__Member-Loyalty__Member",
      "CaseSLAEventID": "goal:527ea211-07b0-2d86-9885-1690fbdcbc7c",
      "Origin": "API",
      "pzActiveStates": [],
      "CurrentStageID": "Active",
      "ConfirmationNote": "This stage is ready to transition.",
      "CurrentStageName": "Active",
      "Urgency": 10,
      "Assignments": [],
      "EmailAddress": "Sample@email.com",
      "Balances": [],
      "ExternalID": "34567890",
      "MobileNumber": "9876543210",
      "BirthMonth": 7,
      "Segments": [],
      "FullName": "Sample Member",
      "Program": {
        "@class": "Program",
        "ID": "STE6TG95YWx0eV9fUHJvZ3JhbV82ODY3ZWE5Yzk1ODhjZDNiZmJlZGY5OWQ"
      },
      "ProgramBusinessID": "P-337UUW",
      "JoinDateTime": "2023-05-06T16:56:27.066Z",
      "DateOfBirth": "2010-07-05"
    }
  ],
  "resultCount": 1,
  "fetchDateTime": "2025-08-14T16:41:38.872Z"
}