curl --request POST \
  --url https://api.hubapi.com/contacts/v1/contact/batch/ \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "vid": "<string>",
    "email": "<string>",
    "properties": [
      {
        "property": "<string>",
        "value": "<string>"
      }
    ]
  }
]
'

import requests

url = "https://api.hubapi.com/contacts/v1/contact/batch/"

payload = [
    {
        "vid": "<string>",
        "email": "<string>",
        "properties": [
            {
                "property": "<string>",
                "value": "<string>"
            }
        ]
    }
]
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([
    {
      vid: '<string>',
      email: '<string>',
      properties: [{property: '<string>', value: '<string>'}]
    }
  ])
};

fetch('https://api.hubapi.com/contacts/v1/contact/batch/', 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.hubapi.com/contacts/v1/contact/batch/",
  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([
    [
        'vid' => '<string>',
        'email' => '<string>',
        'properties' => [
                [
                                'property' => '<string>',
                                'value' => '<string>'
                ]
        ]
    ]
  ]),
  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://api.hubapi.com/contacts/v1/contact/batch/"

	payload := strings.NewReader("[\n  {\n    \"vid\": \"<string>\",\n    \"email\": \"<string>\",\n    \"properties\": [\n      {\n        \"property\": \"<string>\",\n        \"value\": \"<string>\"\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("https://api.hubapi.com/contacts/v1/contact/batch/")
  .header("Content-Type", "application/json")
  .body("[\n  {\n    \"vid\": \"<string>\",\n    \"email\": \"<string>\",\n    \"properties\": [\n      {\n        \"property\": \"<string>\",\n        \"value\": \"<string>\"\n      }\n    ]\n  }\n]")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hubapi.com/contacts/v1/contact/batch/")

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  {\n    \"vid\": \"<string>\",\n    \"email\": \"<string>\",\n    \"properties\": [\n      {\n        \"property\": \"<string>\",\n        \"value\": \"<string>\"\n      }\n    ]\n  }\n]"

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

"[ { \"vid\": \"259429\", \"properties\": [ { \"property\": \"firstname\", \"value\": \"Harper\" }, { \"property\": \"lastname\", \"value\": \"Wolfberg\" }, { \"property\": \"website\", \"value\": \" }, { \"property\": \"company\", \"value\": \"HubSpot\" }, { \"property\": \"phone\", \"value\": \"555-122-2323\" }, { \"property\": \"address\", \"value\": \"25 First Street\" }, { \"property\": \"city\", \"value\": \"Cambridge\" }, { \"property\": \"state\", \"value\": \"MA\" }, { \"property\": \"zip\", \"value\": \"02139\" } ] }, { \"email\": \"testingapis@hubspot.com\", \"properties\": [ { \"property\": \"firstname\", \"value\": \"Codey\" }, { \"property\": \"lastname\", \"value\": \"Huang\" }, { \"property\": \"website\", \"value\": \" }, { \"property\": \"company\", \"value\": \"HubSpot\" }, { \"property\": \"phone\", \"value\": \"555-122-2323\" }, { \"property\": \"address\", \"value\": \"25 First Street\" }, { \"property\": \"city\", \"value\": \"Cambridge\" }, { \"property\": \"state\", \"value\": \"MA\" }, { \"property\": \"zip\", \"value\": \"02139\" } ] } ]"