curl --request POST \
  --url https://apigw.bienport.com/api/lead/add \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Test3 Name",
  "prospectContact": [
    {}
  ]
}
'

import requests

url = "https://apigw.bienport.com/api/lead/add"

payload = {
    "name": "Test3 Name",
    "prospectContact": [{}]
}
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({name: 'Test3 Name', prospectContact: [{}]})
};

fetch('https://apigw.bienport.com/api/lead/add', 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://apigw.bienport.com/api/lead/add",
  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([
    'name' => 'Test3 Name',
    'prospectContact' => [
        [
                
        ]
    ]
  ]),
  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://apigw.bienport.com/api/lead/add"

	payload := strings.NewReader("{\n  \"name\": \"Test3 Name\",\n  \"prospectContact\": [\n    {}\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://apigw.bienport.com/api/lead/add")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Test3 Name\",\n  \"prospectContact\": [\n    {}\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://apigw.bienport.com/api/lead/add")

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  \"name\": \"Test3 Name\",\n  \"prospectContact\": [\n    {}\n  ]\n}"

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

{
  "id": 89839,
  "totalPages": 1,
  "href": "FN-3***",
  "totalItems": 1,
  "creationDate": "2020-07-06T00:00:00.000Z",
  "currentPage": 1,
  "description": "****",
  "leads": "<array>",
  "name": "KAMER T****",
  "rating": 50,
  "referredDate": "2020-07-06T00:00:00.000Z",
  "category": {
    "id": 123,
    "name": "Alarm"
  },
  "marketSegment": {
    "id": 1,
    "name": "Alarm"
  },
  "prospectContact": [
    {
      "characteristic": {
        "phoneNumber": "5XXXXXXXXXX (phoneNumber must be 10 characters. phoneNumber must not be start 0.)",
        "city": "İstanbul",
        "mobileAppId": "1231-4654-6564-6498-99",
        "subscriptionId": "551",
        "panelNo": "EA-560"
      }
    }
  ],
  "relatedParty": [
    {
      "name": "<string>",
      "id": "456789"
    }
  ],
  "status": "Randevu Alındı"
}

This response has no body data.

{
  "statusCode": 123,
  "error": "***Exception",
  "message": "Message about the error",
  "path": "/api/example/path"
}

This response has no body data.

This response has no body data.

{
  "statusCode": 123,
  "error": "***Exception",
  "message": "Message about the error",
  "path": "/api/example/path"
}

{
  "statusCode": 123,
  "error": "***Exception",
  "message": "Message about the error",
  "path": "/api/example/path"
}