curl --request POST \
  --url https://api.dfns.io/auth/login/init \
  --header 'Content-Type: application/json' \
  --data '
{
  "username": "<string>",
  "orgId": "or-30tnh-itmjs-s235s5ontr3r23h2",
  "tenantId": "acct-24hka-dhili-9hgvdlvr1ohpibp4",
  "loginCode": "<string>"
}
'

import requests

url = "https://api.dfns.io/auth/login/init"

payload = {
    "username": "<string>",
    "orgId": "or-30tnh-itmjs-s235s5ontr3r23h2",
    "tenantId": "acct-24hka-dhili-9hgvdlvr1ohpibp4",
    "loginCode": "<string>"
}
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({
    username: '<string>',
    orgId: 'or-30tnh-itmjs-s235s5ontr3r23h2',
    tenantId: 'acct-24hka-dhili-9hgvdlvr1ohpibp4',
    loginCode: '<string>'
  })
};

fetch('https://api.dfns.io/auth/login/init', 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.dfns.io/auth/login/init",
  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([
    'username' => '<string>',
    'orgId' => 'or-30tnh-itmjs-s235s5ontr3r23h2',
    'tenantId' => 'acct-24hka-dhili-9hgvdlvr1ohpibp4',
    'loginCode' => '<string>'
  ]),
  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.dfns.io/auth/login/init"

	payload := strings.NewReader("{\n  \"username\": \"<string>\",\n  \"orgId\": \"or-30tnh-itmjs-s235s5ontr3r23h2\",\n  \"tenantId\": \"acct-24hka-dhili-9hgvdlvr1ohpibp4\",\n  \"loginCode\": \"<string>\"\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.dfns.io/auth/login/init")
  .header("Content-Type", "application/json")
  .body("{\n  \"username\": \"<string>\",\n  \"orgId\": \"or-30tnh-itmjs-s235s5ontr3r23h2\",\n  \"tenantId\": \"acct-24hka-dhili-9hgvdlvr1ohpibp4\",\n  \"loginCode\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.dfns.io/auth/login/init")

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  \"username\": \"<string>\",\n  \"orgId\": \"or-30tnh-itmjs-s235s5ontr3r23h2\",\n  \"tenantId\": \"acct-24hka-dhili-9hgvdlvr1ohpibp4\",\n  \"loginCode\": \"<string>\"\n}"

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

{
  "supportedCredentialKinds": [
    {
      "kind": "Fido2",
      "factor": "first",
      "requiresSecondFactor": true
    }
  ],
  "challenge": "MWM0MmY5YTQ0MDRiNzdhNTFhNzY5ODQwNWI5ZTQ4Y2RhODZiNDk3ZTYzOTE5OGYyMDcxZjBjYzk4MmQ5YzY1MA",
  "challengeIdentifier": "eyJ0e...fQNA",
  "userVerification": "required",
  "attestation": "direct",
  "externalAuthenticationUrl": "",
  "allowCredentials": {
    "key": [],
    "passwordProtectedKey": [
      {
        "type": "public-key",
        "id": "hIjkx5PqVxz8wbtuvOh2UYHEY1QXS8mMfKeEDGt-0Fo=",
        "encryptedPrivateKey": "LsXVskHYqqrKKxBC9KvqStLEmxak5Y7NaboDDlRSIW7evUJpQTT1AYvx0EsFskmriaVb3AjTCGEv7gqUKokml1USL7+dVmrUVhV+cNWtS5AorvRuZr1FMGVKFkW1pKJhFNH2e2O661UhpyXsRXzcmksA7ZN/V37ZK7ITue0gs6I="
      }
    ],
    "webauthn": [
      {
        "type": "public-key",
        "id": "c1QEdgnPLJargwzy3cbYKny4Q18u0hr97unXsF3DiE8"
      }
    ]
  }
}