curl --request POST \
  --url https://api.indiepitcher.com/v1/contacts/create_many \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contacts": [
    {
      "email": "john@acme.com",
      "userId": "1234567",
      "avatarUrl": "https://example.com/avatar.jpg",
      "name": "John Doe",
      "languageCode": "en_US",
      "updateIfExists": true,
      "ignoreListSubscriptionsWhenUpdating": true,
      "subscribedToLists": [
        "onboarding",
        "newsletter"
      ],
      "customProperties": {
        "company": "Acme",
        "age": 35
      }
    }
  ]
}
'

import requests

url = "https://api.indiepitcher.com/v1/contacts/create_many"

payload = { "contacts": [
        {
            "email": "john@acme.com",
            "userId": "1234567",
            "avatarUrl": "https://example.com/avatar.jpg",
            "name": "John Doe",
            "languageCode": "en_US",
            "updateIfExists": True,
            "ignoreListSubscriptionsWhenUpdating": True,
            "subscribedToLists": ["onboarding", "newsletter"],
            "customProperties": {
                "company": "Acme",
                "age": 35
            }
        }
    ] }
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({
    contacts: [
      {
        email: 'john@acme.com',
        userId: '1234567',
        avatarUrl: 'https://example.com/avatar.jpg',
        name: 'John Doe',
        languageCode: 'en_US',
        updateIfExists: true,
        ignoreListSubscriptionsWhenUpdating: true,
        subscribedToLists: ['onboarding', 'newsletter'],
        customProperties: {company: 'Acme', age: 35}
      }
    ]
  })
};

fetch('https://api.indiepitcher.com/v1/contacts/create_many', 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.indiepitcher.com/v1/contacts/create_many",
  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([
    'contacts' => [
        [
                'email' => 'john@acme.com',
                'userId' => '1234567',
                'avatarUrl' => 'https://example.com/avatar.jpg',
                'name' => 'John Doe',
                'languageCode' => 'en_US',
                'updateIfExists' => true,
                'ignoreListSubscriptionsWhenUpdating' => true,
                'subscribedToLists' => [
                                'onboarding',
                                'newsletter'
                ],
                'customProperties' => [
                                'company' => 'Acme',
                                'age' => 35
                ]
        ]
    ]
  ]),
  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://api.indiepitcher.com/v1/contacts/create_many"

	payload := strings.NewReader("{\n  \"contacts\": [\n    {\n      \"email\": \"john@acme.com\",\n      \"userId\": \"1234567\",\n      \"avatarUrl\": \"https://example.com/avatar.jpg\",\n      \"name\": \"John Doe\",\n      \"languageCode\": \"en_US\",\n      \"updateIfExists\": true,\n      \"ignoreListSubscriptionsWhenUpdating\": true,\n      \"subscribedToLists\": [\n        \"onboarding\",\n        \"newsletter\"\n      ],\n      \"customProperties\": {\n        \"company\": \"Acme\",\n        \"age\": 35\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://api.indiepitcher.com/v1/contacts/create_many")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"contacts\": [\n    {\n      \"email\": \"john@acme.com\",\n      \"userId\": \"1234567\",\n      \"avatarUrl\": \"https://example.com/avatar.jpg\",\n      \"name\": \"John Doe\",\n      \"languageCode\": \"en_US\",\n      \"updateIfExists\": true,\n      \"ignoreListSubscriptionsWhenUpdating\": true,\n      \"subscribedToLists\": [\n        \"onboarding\",\n        \"newsletter\"\n      ],\n      \"customProperties\": {\n        \"company\": \"Acme\",\n        \"age\": 35\n      }\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.indiepitcher.com/v1/contacts/create_many")

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  \"contacts\": [\n    {\n      \"email\": \"john@acme.com\",\n      \"userId\": \"1234567\",\n      \"avatarUrl\": \"https://example.com/avatar.jpg\",\n      \"name\": \"John Doe\",\n      \"languageCode\": \"en_US\",\n      \"updateIfExists\": true,\n      \"ignoreListSubscriptionsWhenUpdating\": true,\n      \"subscribedToLists\": [\n        \"onboarding\",\n        \"newsletter\"\n      ],\n      \"customProperties\": {\n        \"company\": \"Acme\",\n        \"age\": 35\n      }\n    }\n  ]\n}"

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

{
  "success": true
}