curl --request POST \
  --url https://{tenant_domain}/third-party/v1/customers/bulk-import \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "customers": [
    {
      "channel": "whatsapp",
      "display_id": 491521234567,
      "name": "<string>",
      "profile": {
        "email": "<string>",
        "date_of_birth": "<string>",
        "address": "<string>",
        "custom_1": "<string>",
        "custom_2": "<string>",
        "custom_3": "<string>",
        "custom_4": "<string>",
        "custom_5": "<string>",
        "marketing_opt_in": 1,
        "tags": "<string>"
      }
    }
  ]
}
'

import requests

url = "https://{tenant_domain}/third-party/v1/customers/bulk-import"

payload = { "customers": [
        {
            "channel": "whatsapp",
            "display_id": 491521234567,
            "name": "<string>",
            "profile": {
                "email": "<string>",
                "date_of_birth": "<string>",
                "address": "<string>",
                "custom_1": "<string>",
                "custom_2": "<string>",
                "custom_3": "<string>",
                "custom_4": "<string>",
                "custom_5": "<string>",
                "marketing_opt_in": 1,
                "tags": "<string>"
            }
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    customers: [
      {
        channel: 'whatsapp',
        display_id: 491521234567,
        name: '<string>',
        profile: {
          email: '<string>',
          date_of_birth: '<string>',
          address: '<string>',
          custom_1: '<string>',
          custom_2: '<string>',
          custom_3: '<string>',
          custom_4: '<string>',
          custom_5: '<string>',
          marketing_opt_in: 1,
          tags: '<string>'
        }
      }
    ]
  })
};

fetch('https://{tenant_domain}/third-party/v1/customers/bulk-import', 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://{tenant_domain}/third-party/v1/customers/bulk-import",
  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([
    'customers' => [
        [
                'channel' => 'whatsapp',
                'display_id' => 491521234567,
                'name' => '<string>',
                'profile' => [
                                'email' => '<string>',
                                'date_of_birth' => '<string>',
                                'address' => '<string>',
                                'custom_1' => '<string>',
                                'custom_2' => '<string>',
                                'custom_3' => '<string>',
                                'custom_4' => '<string>',
                                'custom_5' => '<string>',
                                'marketing_opt_in' => 1,
                                'tags' => '<string>'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://{tenant_domain}/third-party/v1/customers/bulk-import"

	payload := strings.NewReader("{\n  \"customers\": [\n    {\n      \"channel\": \"whatsapp\",\n      \"display_id\": 491521234567,\n      \"name\": \"<string>\",\n      \"profile\": {\n        \"email\": \"<string>\",\n        \"date_of_birth\": \"<string>\",\n        \"address\": \"<string>\",\n        \"custom_1\": \"<string>\",\n        \"custom_2\": \"<string>\",\n        \"custom_3\": \"<string>\",\n        \"custom_4\": \"<string>\",\n        \"custom_5\": \"<string>\",\n        \"marketing_opt_in\": 1,\n        \"tags\": \"<string>\"\n      }\n    }\n  ]\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://{tenant_domain}/third-party/v1/customers/bulk-import")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"customers\": [\n    {\n      \"channel\": \"whatsapp\",\n      \"display_id\": 491521234567,\n      \"name\": \"<string>\",\n      \"profile\": {\n        \"email\": \"<string>\",\n        \"date_of_birth\": \"<string>\",\n        \"address\": \"<string>\",\n        \"custom_1\": \"<string>\",\n        \"custom_2\": \"<string>\",\n        \"custom_3\": \"<string>\",\n        \"custom_4\": \"<string>\",\n        \"custom_5\": \"<string>\",\n        \"marketing_opt_in\": 1,\n        \"tags\": \"<string>\"\n      }\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{tenant_domain}/third-party/v1/customers/bulk-import")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"customers\": [\n    {\n      \"channel\": \"whatsapp\",\n      \"display_id\": 491521234567,\n      \"name\": \"<string>\",\n      \"profile\": {\n        \"email\": \"<string>\",\n        \"date_of_birth\": \"<string>\",\n        \"address\": \"<string>\",\n        \"custom_1\": \"<string>\",\n        \"custom_2\": \"<string>\",\n        \"custom_3\": \"<string>\",\n        \"custom_4\": \"<string>\",\n        \"custom_5\": \"<string>\",\n        \"marketing_opt_in\": 1,\n        \"tags\": \"<string>\"\n      }\n    }\n  ]\n}"

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

{
  "data": {
    "created_count": 123,
    "updated_count": 123,
    "skipped_count": 123
  }
}