curl --request POST \
  --url https://fleet-api.flatpeak.com/zones \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "NGED Bristol constraint zone",
  "definition": {
    "country_code": "GB",
    "postal_codes": [
      "BS1",
      "BS2",
      "BS3"
    ]
  }
}
'

import requests

url = "https://fleet-api.flatpeak.com/zones"

payload = {
    "name": "NGED Bristol constraint zone",
    "definition": {
        "country_code": "GB",
        "postal_codes": ["BS1", "BS2", "BS3"]
    }
}
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({
    name: 'NGED Bristol constraint zone',
    definition: {country_code: 'GB', postal_codes: ['BS1', 'BS2', 'BS3']}
  })
};

fetch('https://fleet-api.flatpeak.com/zones', 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://fleet-api.flatpeak.com/zones",
  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([
    'name' => 'NGED Bristol constraint zone',
    'definition' => [
        'country_code' => 'GB',
        'postal_codes' => [
                'BS1',
                'BS2',
                'BS3'
        ]
    ]
  ]),
  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://fleet-api.flatpeak.com/zones"

	payload := strings.NewReader("{\n  \"name\": \"NGED Bristol constraint zone\",\n  \"definition\": {\n    \"country_code\": \"GB\",\n    \"postal_codes\": [\n      \"BS1\",\n      \"BS2\",\n      \"BS3\"\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://fleet-api.flatpeak.com/zones")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"NGED Bristol constraint zone\",\n  \"definition\": {\n    \"country_code\": \"GB\",\n    \"postal_codes\": [\n      \"BS1\",\n      \"BS2\",\n      \"BS3\"\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://fleet-api.flatpeak.com/zones")

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  \"name\": \"NGED Bristol constraint zone\",\n  \"definition\": {\n    \"country_code\": \"GB\",\n    \"postal_codes\": [\n      \"BS1\",\n      \"BS2\",\n      \"BS3\"\n    ]\n  }\n}"

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

{
  "id": "zon_9b3c5d7e1f2a4b6c8d0e2f4a",
  "object": "zone",
  "live_mode": true,
  "name": "NGED Bristol constraint zone",
  "definition": {
    "country_code": "GB",
    "postal_codes": [
      "BS1",
      "BS2",
      "BS3"
    ]
  },
  "device_count": null,
  "time_created": "2026-08-12T09:30:00Z",
  "account_id": "acc_649d465ede6a785d2fa5f905"
}

{
  "object": "error",
  "type": "invalid_request",
  "code": "access_denied",
  "message": "The requested resource could not be found.",
  "context": "api.price_get",
  "live_mode": true,
  "time_created": "2026-01-01T00:00:00Z"
}

{
  "object": "error",
  "type": "invalid_request",
  "code": "access_denied",
  "message": "The requested resource could not be found.",
  "context": "api.price_get",
  "live_mode": true,
  "time_created": "2026-01-01T00:00:00Z"
}

{
  "object": "error",
  "type": "invalid_request",
  "code": "access_denied",
  "message": "The requested resource could not be found.",
  "context": "api.price_get",
  "live_mode": true,
  "time_created": "2026-01-01T00:00:00Z"
}

{
  "object": "error",
  "type": "invalid_request",
  "code": "access_denied",
  "message": "The requested resource could not be found.",
  "context": "api.price_get",
  "live_mode": true,
  "time_created": "2026-01-01T00:00:00Z"
}

{
  "object": "error",
  "type": "invalid_request",
  "code": "access_denied",
  "message": "The requested resource could not be found.",
  "context": "api.price_get",
  "live_mode": true,
  "time_created": "2026-01-01T00:00:00Z"
}

{
  "object": "error",
  "type": "invalid_request",
  "code": "access_denied",
  "message": "The requested resource could not be found.",
  "context": "api.price_get",
  "live_mode": true,
  "time_created": "2026-01-01T00:00:00Z"
}

{
  "object": "error",
  "type": "invalid_request",
  "code": "access_denied",
  "message": "The requested resource could not be found.",
  "context": "api.price_get",
  "live_mode": true,
  "time_created": "2026-01-01T00:00:00Z"
}

{
  "object": "error",
  "type": "invalid_request",
  "code": "access_denied",
  "message": "The requested resource could not be found.",
  "context": "api.price_get",
  "live_mode": true,
  "time_created": "2026-01-01T00:00:00Z"
}