curl --request POST \
  --url https://api.app.fleetit.com/v2/fleets/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "title": "Fleet XYZ",
  "is_active": true,
  "regions": [
    1,
    2
  ],
  "customer_info": {
    "ext_client_id": "123456",
    "ext_billing_id": "654321",
    "service_types": [
      "Tolls",
      "Violations"
    ],
    "email": "email@example.com",
    "notes": "Detailed notes here"
  }
}
'

import requests

url = "https://api.app.fleetit.com/v2/fleets/"

payload = {
    "title": "Fleet XYZ",
    "is_active": True,
    "regions": [1, 2],
    "customer_info": {
        "ext_client_id": "123456",
        "ext_billing_id": "654321",
        "service_types": ["Tolls", "Violations"],
        "email": "email@example.com",
        "notes": "Detailed notes here"
    }
}
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({
    title: 'Fleet XYZ',
    is_active: true,
    regions: [1, 2],
    customer_info: {
      ext_client_id: '123456',
      ext_billing_id: '654321',
      service_types: ['Tolls', 'Violations'],
      email: 'email@example.com',
      notes: 'Detailed notes here'
    }
  })
};

fetch('https://api.app.fleetit.com/v2/fleets/', 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.app.fleetit.com/v2/fleets/",
  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([
    'title' => 'Fleet XYZ',
    'is_active' => true,
    'regions' => [
        1,
        2
    ],
    'customer_info' => [
        'ext_client_id' => '123456',
        'ext_billing_id' => '654321',
        'service_types' => [
                'Tolls',
                'Violations'
        ],
        'email' => 'email@example.com',
        'notes' => 'Detailed notes here'
    ]
  ]),
  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.app.fleetit.com/v2/fleets/"

	payload := strings.NewReader("{\n  \"title\": \"Fleet XYZ\",\n  \"is_active\": true,\n  \"regions\": [\n    1,\n    2\n  ],\n  \"customer_info\": {\n    \"ext_client_id\": \"123456\",\n    \"ext_billing_id\": \"654321\",\n    \"service_types\": [\n      \"Tolls\",\n      \"Violations\"\n    ],\n    \"email\": \"email@example.com\",\n    \"notes\": \"Detailed notes here\"\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.app.fleetit.com/v2/fleets/")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"title\": \"Fleet XYZ\",\n  \"is_active\": true,\n  \"regions\": [\n    1,\n    2\n  ],\n  \"customer_info\": {\n    \"ext_client_id\": \"123456\",\n    \"ext_billing_id\": \"654321\",\n    \"service_types\": [\n      \"Tolls\",\n      \"Violations\"\n    ],\n    \"email\": \"email@example.com\",\n    \"notes\": \"Detailed notes here\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.app.fleetit.com/v2/fleets/")

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  \"title\": \"Fleet XYZ\",\n  \"is_active\": true,\n  \"regions\": [\n    1,\n    2\n  ],\n  \"customer_info\": {\n    \"ext_client_id\": \"123456\",\n    \"ext_billing_id\": \"654321\",\n    \"service_types\": [\n      \"Tolls\",\n      \"Violations\"\n    ],\n    \"email\": \"email@example.com\",\n    \"notes\": \"Detailed notes here\"\n  }\n}"

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

{
  "id": 109,
  "title": "Fleet XYZ",
  "is_active": true,
  "regions": [
    "Region1",
    "Region2"
  ],
  "customer_info": {
    "ext_client_id": "123456",
    "ext_billing_id": "654321",
    "service_types": [
      "Tolls",
      "Violations"
    ],
    "email": "email@example.com",
    "notes": "Detailed notes here"
  }
}