curl --request POST \
  --url https://app.ezzydoc.com/EzzyService.svc/Rest/addContacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "account_code": "<string>",
    "active": true,
    "address": "<string>",
    "bank_account": "<string>",
    "bank_bsb": "<string>",
    "city": "<string>",
    "contact": "<string>",
    "country": "<string>",
    "email": "<string>",
    "fax": "<string>",
    "Id": "<string>",
    "modified": 123,
    "Name": "<string>",
    "phone": "<string>",
    "postcode": "<string>",
    "reference": "<string>",
    "region": "<string>",
    "tags": "<string>",
    "tax_code": "<string>",
    "taxNumber": "<string>",
    "tracking": "<string>",
    "web": "<string>",
    "workflow": 123
  }
]
'

import requests

url = "https://app.ezzydoc.com/EzzyService.svc/Rest/addContacts"

payload = [
    {
        "account_code": "<string>",
        "active": True,
        "address": "<string>",
        "bank_account": "<string>",
        "bank_bsb": "<string>",
        "city": "<string>",
        "contact": "<string>",
        "country": "<string>",
        "email": "<string>",
        "fax": "<string>",
        "Id": "<string>",
        "modified": 123,
        "Name": "<string>",
        "phone": "<string>",
        "postcode": "<string>",
        "reference": "<string>",
        "region": "<string>",
        "tags": "<string>",
        "tax_code": "<string>",
        "taxNumber": "<string>",
        "tracking": "<string>",
        "web": "<string>",
        "workflow": 123
    }
]
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([
    {
      account_code: '<string>',
      active: true,
      address: '<string>',
      bank_account: '<string>',
      bank_bsb: '<string>',
      city: '<string>',
      contact: '<string>',
      country: '<string>',
      email: '<string>',
      fax: '<string>',
      Id: '<string>',
      modified: 123,
      Name: '<string>',
      phone: '<string>',
      postcode: '<string>',
      reference: '<string>',
      region: '<string>',
      tags: '<string>',
      tax_code: '<string>',
      taxNumber: '<string>',
      tracking: '<string>',
      web: '<string>',
      workflow: 123
    }
  ])
};

fetch('https://app.ezzydoc.com/EzzyService.svc/Rest/addContacts', 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://app.ezzydoc.com/EzzyService.svc/Rest/addContacts",
  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([
    [
        'account_code' => '<string>',
        'active' => true,
        'address' => '<string>',
        'bank_account' => '<string>',
        'bank_bsb' => '<string>',
        'city' => '<string>',
        'contact' => '<string>',
        'country' => '<string>',
        'email' => '<string>',
        'fax' => '<string>',
        'Id' => '<string>',
        'modified' => 123,
        'Name' => '<string>',
        'phone' => '<string>',
        'postcode' => '<string>',
        'reference' => '<string>',
        'region' => '<string>',
        'tags' => '<string>',
        'tax_code' => '<string>',
        'taxNumber' => '<string>',
        'tracking' => '<string>',
        'web' => '<string>',
        'workflow' => 123
    ]
  ]),
  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://app.ezzydoc.com/EzzyService.svc/Rest/addContacts"

	payload := strings.NewReader("[\n  {\n    \"account_code\": \"<string>\",\n    \"active\": true,\n    \"address\": \"<string>\",\n    \"bank_account\": \"<string>\",\n    \"bank_bsb\": \"<string>\",\n    \"city\": \"<string>\",\n    \"contact\": \"<string>\",\n    \"country\": \"<string>\",\n    \"email\": \"<string>\",\n    \"fax\": \"<string>\",\n    \"Id\": \"<string>\",\n    \"modified\": 123,\n    \"Name\": \"<string>\",\n    \"phone\": \"<string>\",\n    \"postcode\": \"<string>\",\n    \"reference\": \"<string>\",\n    \"region\": \"<string>\",\n    \"tags\": \"<string>\",\n    \"tax_code\": \"<string>\",\n    \"taxNumber\": \"<string>\",\n    \"tracking\": \"<string>\",\n    \"web\": \"<string>\",\n    \"workflow\": 123\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://app.ezzydoc.com/EzzyService.svc/Rest/addContacts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("[\n  {\n    \"account_code\": \"<string>\",\n    \"active\": true,\n    \"address\": \"<string>\",\n    \"bank_account\": \"<string>\",\n    \"bank_bsb\": \"<string>\",\n    \"city\": \"<string>\",\n    \"contact\": \"<string>\",\n    \"country\": \"<string>\",\n    \"email\": \"<string>\",\n    \"fax\": \"<string>\",\n    \"Id\": \"<string>\",\n    \"modified\": 123,\n    \"Name\": \"<string>\",\n    \"phone\": \"<string>\",\n    \"postcode\": \"<string>\",\n    \"reference\": \"<string>\",\n    \"region\": \"<string>\",\n    \"tags\": \"<string>\",\n    \"tax_code\": \"<string>\",\n    \"taxNumber\": \"<string>\",\n    \"tracking\": \"<string>\",\n    \"web\": \"<string>\",\n    \"workflow\": 123\n  }\n]")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.ezzydoc.com/EzzyService.svc/Rest/addContacts")

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  {\n    \"account_code\": \"<string>\",\n    \"active\": true,\n    \"address\": \"<string>\",\n    \"bank_account\": \"<string>\",\n    \"bank_bsb\": \"<string>\",\n    \"city\": \"<string>\",\n    \"contact\": \"<string>\",\n    \"country\": \"<string>\",\n    \"email\": \"<string>\",\n    \"fax\": \"<string>\",\n    \"Id\": \"<string>\",\n    \"modified\": 123,\n    \"Name\": \"<string>\",\n    \"phone\": \"<string>\",\n    \"postcode\": \"<string>\",\n    \"reference\": \"<string>\",\n    \"region\": \"<string>\",\n    \"tags\": \"<string>\",\n    \"tax_code\": \"<string>\",\n    \"taxNumber\": \"<string>\",\n    \"tracking\": \"<string>\",\n    \"web\": \"<string>\",\n    \"workflow\": 123\n  }\n]"

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

{
  "invoice_id": 123,
  "message": "<string>"
}