curl --request POST \
  --url https://api.staging.paycodefintech.net/terminals/auth \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data '
{
  "current_versions": {
    "acquirer_param_version": "v3.2.0",
    "aid_version": "v1.3.0",
    "biometric_key_version": "v1.2.0",
    "capk_version": "v2.6.0",
    "cvm_version": "v1.0.9",
    "emv_key_version": "v2.7.0",
    "file_key_version": "v3.4.0",
    "firmware_version": "v2.4.2",
    "fx_rates_version": "v1.3.0",
    "hot_cards_version": "v1.1.0",
    "pure_tags_version": "v3.2.0",
    "tac_version": "v1.1.2",
    "tms_param_version": "v4.0.5"
  },
  "device_health": {
    "batterylevel": 85,
    "signalstrength": "strong",
    "tamperdetected": false,
    "temperature": 36.5
  },
  "geolocation": {
    "latitude": -1.2921,
    "longitude": 36.8219
  },
  "terminal_id": "term_tPYmyt3FEfKl83JiHpb2"
}
'

import requests

url = "https://api.staging.paycodefintech.net/terminals/auth"

payload = {
    "current_versions": {
        "acquirer_param_version": "v3.2.0",
        "aid_version": "v1.3.0",
        "biometric_key_version": "v1.2.0",
        "capk_version": "v2.6.0",
        "cvm_version": "v1.0.9",
        "emv_key_version": "v2.7.0",
        "file_key_version": "v3.4.0",
        "firmware_version": "v2.4.2",
        "fx_rates_version": "v1.3.0",
        "hot_cards_version": "v1.1.0",
        "pure_tags_version": "v3.2.0",
        "tac_version": "v1.1.2",
        "tms_param_version": "v4.0.5"
    },
    "device_health": {
        "batterylevel": 85,
        "signalstrength": "strong",
        "tamperdetected": False,
        "temperature": 36.5
    },
    "geolocation": {
        "latitude": -1.2921,
        "longitude": 36.8219
    },
    "terminal_id": "term_tPYmyt3FEfKl83JiHpb2"
}
headers = {
    "api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    current_versions: {
      acquirer_param_version: 'v3.2.0',
      aid_version: 'v1.3.0',
      biometric_key_version: 'v1.2.0',
      capk_version: 'v2.6.0',
      cvm_version: 'v1.0.9',
      emv_key_version: 'v2.7.0',
      file_key_version: 'v3.4.0',
      firmware_version: 'v2.4.2',
      fx_rates_version: 'v1.3.0',
      hot_cards_version: 'v1.1.0',
      pure_tags_version: 'v3.2.0',
      tac_version: 'v1.1.2',
      tms_param_version: 'v4.0.5'
    },
    device_health: {
      batterylevel: 85,
      signalstrength: 'strong',
      tamperdetected: false,
      temperature: 36.5
    },
    geolocation: {latitude: -1.2921, longitude: 36.8219},
    terminal_id: 'term_tPYmyt3FEfKl83JiHpb2'
  })
};

fetch('https://api.staging.paycodefintech.net/terminals/auth', 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.staging.paycodefintech.net/terminals/auth",
  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([
    'current_versions' => [
        'acquirer_param_version' => 'v3.2.0',
        'aid_version' => 'v1.3.0',
        'biometric_key_version' => 'v1.2.0',
        'capk_version' => 'v2.6.0',
        'cvm_version' => 'v1.0.9',
        'emv_key_version' => 'v2.7.0',
        'file_key_version' => 'v3.4.0',
        'firmware_version' => 'v2.4.2',
        'fx_rates_version' => 'v1.3.0',
        'hot_cards_version' => 'v1.1.0',
        'pure_tags_version' => 'v3.2.0',
        'tac_version' => 'v1.1.2',
        'tms_param_version' => 'v4.0.5'
    ],
    'device_health' => [
        'batterylevel' => 85,
        'signalstrength' => 'strong',
        'tamperdetected' => false,
        'temperature' => 36.5
    ],
    'geolocation' => [
        'latitude' => -1.2921,
        'longitude' => 36.8219
    ],
    'terminal_id' => 'term_tPYmyt3FEfKl83JiHpb2'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "api-key: <api-key>"
  ],
]);

$response = curl_exec($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.staging.paycodefintech.net/terminals/auth"

	payload := strings.NewReader("{\n  \"current_versions\": {\n    \"acquirer_param_version\": \"v3.2.0\",\n    \"aid_version\": \"v1.3.0\",\n    \"biometric_key_version\": \"v1.2.0\",\n    \"capk_version\": \"v2.6.0\",\n    \"cvm_version\": \"v1.0.9\",\n    \"emv_key_version\": \"v2.7.0\",\n    \"file_key_version\": \"v3.4.0\",\n    \"firmware_version\": \"v2.4.2\",\n    \"fx_rates_version\": \"v1.3.0\",\n    \"hot_cards_version\": \"v1.1.0\",\n    \"pure_tags_version\": \"v3.2.0\",\n    \"tac_version\": \"v1.1.2\",\n    \"tms_param_version\": \"v4.0.5\"\n  },\n  \"device_health\": {\n    \"batterylevel\": 85,\n    \"signalstrength\": \"strong\",\n    \"tamperdetected\": false,\n    \"temperature\": 36.5\n  },\n  \"geolocation\": {\n    \"latitude\": -1.2921,\n    \"longitude\": 36.8219\n  },\n  \"terminal_id\": \"term_tPYmyt3FEfKl83JiHpb2\"\n}")

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

	req.Header.Add("api-key", "<api-key>")
	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.staging.paycodefintech.net/terminals/auth")
  .header("api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"current_versions\": {\n    \"acquirer_param_version\": \"v3.2.0\",\n    \"aid_version\": \"v1.3.0\",\n    \"biometric_key_version\": \"v1.2.0\",\n    \"capk_version\": \"v2.6.0\",\n    \"cvm_version\": \"v1.0.9\",\n    \"emv_key_version\": \"v2.7.0\",\n    \"file_key_version\": \"v3.4.0\",\n    \"firmware_version\": \"v2.4.2\",\n    \"fx_rates_version\": \"v1.3.0\",\n    \"hot_cards_version\": \"v1.1.0\",\n    \"pure_tags_version\": \"v3.2.0\",\n    \"tac_version\": \"v1.1.2\",\n    \"tms_param_version\": \"v4.0.5\"\n  },\n  \"device_health\": {\n    \"batterylevel\": 85,\n    \"signalstrength\": \"strong\",\n    \"tamperdetected\": false,\n    \"temperature\": 36.5\n  },\n  \"geolocation\": {\n    \"latitude\": -1.2921,\n    \"longitude\": 36.8219\n  },\n  \"terminal_id\": \"term_tPYmyt3FEfKl83JiHpb2\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.staging.paycodefintech.net/terminals/auth")

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

request = Net::HTTP::Post.new(url)
request["api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"current_versions\": {\n    \"acquirer_param_version\": \"v3.2.0\",\n    \"aid_version\": \"v1.3.0\",\n    \"biometric_key_version\": \"v1.2.0\",\n    \"capk_version\": \"v2.6.0\",\n    \"cvm_version\": \"v1.0.9\",\n    \"emv_key_version\": \"v2.7.0\",\n    \"file_key_version\": \"v3.4.0\",\n    \"firmware_version\": \"v2.4.2\",\n    \"fx_rates_version\": \"v1.3.0\",\n    \"hot_cards_version\": \"v1.1.0\",\n    \"pure_tags_version\": \"v3.2.0\",\n    \"tac_version\": \"v1.1.2\",\n    \"tms_param_version\": \"v4.0.5\"\n  },\n  \"device_health\": {\n    \"batterylevel\": 85,\n    \"signalstrength\": \"strong\",\n    \"tamperdetected\": false,\n    \"temperature\": 36.5\n  },\n  \"geolocation\": {\n    \"latitude\": -1.2921,\n    \"longitude\": 36.8219\n  },\n  \"terminal_id\": \"term_tPYmyt3FEfKl83JiHpb2\"\n}"

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

{
  "expires_in_seconds": 3600,
  "network_token": "TI5vXQgbZZPHXP7TOCo0",
  "sync_required": true,
  "update_hints": {
    "AID_version": "v2.1.6",
    "CAPK_version": "v3.0.1"
  }
}