curl --request POST \
  --url https://api.l2msg.com/whatsapp/instance/create \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '
{
  "instanceName": "<string>",
  "qrcode": true,
  "number": "<string>",
  "rejectCall": true,
  "msgCall": "<string>",
  "groupsIgnore": true,
  "alwaysOnline": true,
  "readMessages": true,
  "readStatus": true,
  "syncFullHistory": true,
  "webhook": {
    "url": "<string>",
    "byEvents": true,
    "base64": true,
    "headers": {
      "autorization": "<string>",
      "Content-Type": "<string>"
    },
    "events": []
  }
}
'

import requests

url = "https://api.l2msg.com/whatsapp/instance/create"

payload = {
    "instanceName": "<string>",
    "qrcode": True,
    "number": "<string>",
    "rejectCall": True,
    "msgCall": "<string>",
    "groupsIgnore": True,
    "alwaysOnline": True,
    "readMessages": True,
    "readStatus": True,
    "syncFullHistory": True,
    "webhook": {
        "url": "<string>",
        "byEvents": True,
        "base64": True,
        "headers": {
            "autorization": "<string>",
            "Content-Type": "<string>"
        },
        "events": []
    }
}
headers = {
    "apikey": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {apikey: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    instanceName: '<string>',
    qrcode: true,
    number: '<string>',
    rejectCall: true,
    msgCall: '<string>',
    groupsIgnore: true,
    alwaysOnline: true,
    readMessages: true,
    readStatus: true,
    syncFullHistory: true,
    webhook: {
      url: '<string>',
      byEvents: true,
      base64: true,
      headers: {autorization: '<string>', 'Content-Type': '<string>'},
      events: []
    }
  })
};

fetch('https://api.l2msg.com/whatsapp/instance/create', 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.l2msg.com/whatsapp/instance/create",
  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([
    'instanceName' => '<string>',
    'qrcode' => true,
    'number' => '<string>',
    'rejectCall' => true,
    'msgCall' => '<string>',
    'groupsIgnore' => true,
    'alwaysOnline' => true,
    'readMessages' => true,
    'readStatus' => true,
    'syncFullHistory' => true,
    'webhook' => [
        'url' => '<string>',
        'byEvents' => true,
        'base64' => true,
        'headers' => [
                'autorization' => '<string>',
                'Content-Type' => '<string>'
        ],
        'events' => [
                
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "apikey: <api-key>"
  ],
]);

$response = curl_exec($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.l2msg.com/whatsapp/instance/create"

	payload := strings.NewReader("{\n  \"instanceName\": \"<string>\",\n  \"qrcode\": true,\n  \"number\": \"<string>\",\n  \"rejectCall\": true,\n  \"msgCall\": \"<string>\",\n  \"groupsIgnore\": true,\n  \"alwaysOnline\": true,\n  \"readMessages\": true,\n  \"readStatus\": true,\n  \"syncFullHistory\": true,\n  \"webhook\": {\n    \"url\": \"<string>\",\n    \"byEvents\": true,\n    \"base64\": true,\n    \"headers\": {\n      \"autorization\": \"<string>\",\n      \"Content-Type\": \"<string>\"\n    },\n    \"events\": []\n  }\n}")

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

	req.Header.Add("apikey", "<api-key>")
	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.l2msg.com/whatsapp/instance/create")
  .header("apikey", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"instanceName\": \"<string>\",\n  \"qrcode\": true,\n  \"number\": \"<string>\",\n  \"rejectCall\": true,\n  \"msgCall\": \"<string>\",\n  \"groupsIgnore\": true,\n  \"alwaysOnline\": true,\n  \"readMessages\": true,\n  \"readStatus\": true,\n  \"syncFullHistory\": true,\n  \"webhook\": {\n    \"url\": \"<string>\",\n    \"byEvents\": true,\n    \"base64\": true,\n    \"headers\": {\n      \"autorization\": \"<string>\",\n      \"Content-Type\": \"<string>\"\n    },\n    \"events\": []\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.l2msg.com/whatsapp/instance/create")

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

request = Net::HTTP::Post.new(url)
request["apikey"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"instanceName\": \"<string>\",\n  \"qrcode\": true,\n  \"number\": \"<string>\",\n  \"rejectCall\": true,\n  \"msgCall\": \"<string>\",\n  \"groupsIgnore\": true,\n  \"alwaysOnline\": true,\n  \"readMessages\": true,\n  \"readStatus\": true,\n  \"syncFullHistory\": true,\n  \"webhook\": {\n    \"url\": \"<string>\",\n    \"byEvents\": true,\n    \"base64\": true,\n    \"headers\": {\n      \"autorization\": \"<string>\",\n      \"Content-Type\": \"<string>\"\n    },\n    \"events\": []\n  }\n}"

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

{
  "instance": {
    "instanceName": "teste-docs",
    "instanceId": "af6c5b7c-ee27-4f94-9ea8-192393746ddd",
    "webhook_wa_business": null,
    "access_token_wa_business": "",
    "status": "created"
  },
  "hash": {
    "apikey": "123456"
  },
  "settings": {
    "reject_call": false,
    "msg_call": "",
    "groups_ignore": true,
    "always_online": false,
    "read_messages": false,
    "read_status": false,
    "sync_full_history": false
  }
}

{
  "status": 403,
  "error": "Forbidden",
  "response": {
    "message": [
      "This name \"instance-example-name\" is already in use."
    ]
  }
}