curl --request POST \
  --url http://localhost:3000/api/contact/upsert \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": [
    {
      "primaryPhone": "+212612345678",
      "firstName": "John",
      "lastName": "Doe",
      "fullName": "John Doe",
      "primaryEmail": "john@example.com",
      "address": "123 Main St",
      "city": "Casablanca",
      "state": "Casablanca-Settat",
      "zip": "20000",
      "occupation": "Engineer",
      "preferredChannel": "phone",
      "customAttributes": {
        "age": 30,
        "interests": [
          "tech"
        ]
      }
    }
  ]
}
'

import requests

url = "http://localhost:3000/api/contact/upsert"

payload = { "data": [
        {
            "primaryPhone": "+212612345678",
            "firstName": "John",
            "lastName": "Doe",
            "fullName": "John Doe",
            "primaryEmail": "john@example.com",
            "address": "123 Main St",
            "city": "Casablanca",
            "state": "Casablanca-Settat",
            "zip": "20000",
            "occupation": "Engineer",
            "preferredChannel": "phone",
            "customAttributes": {
                "age": 30,
                "interests": ["tech"]
            }
        }
    ] }
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({
    data: [
      {
        primaryPhone: '+212612345678',
        firstName: 'John',
        lastName: 'Doe',
        fullName: 'John Doe',
        primaryEmail: 'john@example.com',
        address: '123 Main St',
        city: 'Casablanca',
        state: 'Casablanca-Settat',
        zip: '20000',
        occupation: 'Engineer',
        preferredChannel: 'phone',
        customAttributes: {age: 30, interests: ['tech']}
      }
    ]
  })
};

fetch('http://localhost:3000/api/contact/upsert', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "3000",
  CURLOPT_URL => "http://localhost:3000/api/contact/upsert",
  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([
    'data' => [
        [
                'primaryPhone' => '+212612345678',
                'firstName' => 'John',
                'lastName' => 'Doe',
                'fullName' => 'John Doe',
                'primaryEmail' => 'john@example.com',
                'address' => '123 Main St',
                'city' => 'Casablanca',
                'state' => 'Casablanca-Settat',
                'zip' => '20000',
                'occupation' => 'Engineer',
                'preferredChannel' => 'phone',
                'customAttributes' => [
                                'age' => 30,
                                'interests' => [
                                                                'tech'
                                ]
                ]
        ]
    ]
  ]),
  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 := "http://localhost:3000/api/contact/upsert"

	payload := strings.NewReader("{\n  \"data\": [\n    {\n      \"primaryPhone\": \"+212612345678\",\n      \"firstName\": \"John\",\n      \"lastName\": \"Doe\",\n      \"fullName\": \"John Doe\",\n      \"primaryEmail\": \"john@example.com\",\n      \"address\": \"123 Main St\",\n      \"city\": \"Casablanca\",\n      \"state\": \"Casablanca-Settat\",\n      \"zip\": \"20000\",\n      \"occupation\": \"Engineer\",\n      \"preferredChannel\": \"phone\",\n      \"customAttributes\": {\n        \"age\": 30,\n        \"interests\": [\n          \"tech\"\n        ]\n      }\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("http://localhost:3000/api/contact/upsert")
  .header("Content-Type", "application/json")
  .body("{\n  \"data\": [\n    {\n      \"primaryPhone\": \"+212612345678\",\n      \"firstName\": \"John\",\n      \"lastName\": \"Doe\",\n      \"fullName\": \"John Doe\",\n      \"primaryEmail\": \"john@example.com\",\n      \"address\": \"123 Main St\",\n      \"city\": \"Casablanca\",\n      \"state\": \"Casablanca-Settat\",\n      \"zip\": \"20000\",\n      \"occupation\": \"Engineer\",\n      \"preferredChannel\": \"phone\",\n      \"customAttributes\": {\n        \"age\": 30,\n        \"interests\": [\n          \"tech\"\n        ]\n      }\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://localhost:3000/api/contact/upsert")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"data\": [\n    {\n      \"primaryPhone\": \"+212612345678\",\n      \"firstName\": \"John\",\n      \"lastName\": \"Doe\",\n      \"fullName\": \"John Doe\",\n      \"primaryEmail\": \"john@example.com\",\n      \"address\": \"123 Main St\",\n      \"city\": \"Casablanca\",\n      \"state\": \"Casablanca-Settat\",\n      \"zip\": \"20000\",\n      \"occupation\": \"Engineer\",\n      \"preferredChannel\": \"phone\",\n      \"customAttributes\": {\n        \"age\": 30,\n        \"interests\": [\n          \"tech\"\n        ]\n      }\n    }\n  ]\n}"

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