curl --request POST \
  --url https://loadbalancer.{region}.basaltic.sh/v1/load-balancers/{id}/listeners/{listener_id}/rules \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "priority": 100,
  "conditions": [
    {
      "field": "path",
      "op": "prefix",
      "values": [
        "/api"
      ],
      "name": "X-Tenant"
    }
  ],
  "target_group": "b8c9d0e1-f2a3-4456-b7c8-d9e0f1a2b3c4"
}
'

import requests

url = "https://loadbalancer.{region}.basaltic.sh/v1/load-balancers/{id}/listeners/{listener_id}/rules"

payload = {
    "priority": 100,
    "conditions": [
        {
            "field": "path",
            "op": "prefix",
            "values": ["/api"],
            "name": "X-Tenant"
        }
    ],
    "target_group": "b8c9d0e1-f2a3-4456-b7c8-d9e0f1a2b3c4"
}
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({
    priority: 100,
    conditions: [{field: 'path', op: 'prefix', values: ['/api'], name: 'X-Tenant'}],
    target_group: 'b8c9d0e1-f2a3-4456-b7c8-d9e0f1a2b3c4'
  })
};

fetch('https://loadbalancer.{region}.basaltic.sh/v1/load-balancers/{id}/listeners/{listener_id}/rules', 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://loadbalancer.{region}.basaltic.sh/v1/load-balancers/{id}/listeners/{listener_id}/rules",
  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([
    'priority' => 100,
    'conditions' => [
        [
                'field' => 'path',
                'op' => 'prefix',
                'values' => [
                                '/api'
                ],
                'name' => 'X-Tenant'
        ]
    ],
    'target_group' => 'b8c9d0e1-f2a3-4456-b7c8-d9e0f1a2b3c4'
  ]),
  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://loadbalancer.{region}.basaltic.sh/v1/load-balancers/{id}/listeners/{listener_id}/rules"

	payload := strings.NewReader("{\n  \"priority\": 100,\n  \"conditions\": [\n    {\n      \"field\": \"path\",\n      \"op\": \"prefix\",\n      \"values\": [\n        \"/api\"\n      ],\n      \"name\": \"X-Tenant\"\n    }\n  ],\n  \"target_group\": \"b8c9d0e1-f2a3-4456-b7c8-d9e0f1a2b3c4\"\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://loadbalancer.{region}.basaltic.sh/v1/load-balancers/{id}/listeners/{listener_id}/rules")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"priority\": 100,\n  \"conditions\": [\n    {\n      \"field\": \"path\",\n      \"op\": \"prefix\",\n      \"values\": [\n        \"/api\"\n      ],\n      \"name\": \"X-Tenant\"\n    }\n  ],\n  \"target_group\": \"b8c9d0e1-f2a3-4456-b7c8-d9e0f1a2b3c4\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://loadbalancer.{region}.basaltic.sh/v1/load-balancers/{id}/listeners/{listener_id}/rules")

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  \"priority\": 100,\n  \"conditions\": [\n    {\n      \"field\": \"path\",\n      \"op\": \"prefix\",\n      \"values\": [\n        \"/api\"\n      ],\n      \"name\": \"X-Tenant\"\n    }\n  ],\n  \"target_group\": \"b8c9d0e1-f2a3-4456-b7c8-d9e0f1a2b3c4\"\n}"

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

{
  "rule": {
    "crn": "<string>",
    "id": "a3b4c5d6-e7f8-4901-a2b3-c4d5e6f7a8b9",
    "listener_id": "e1f2a3b4-c5d6-4789-e0f1-a2b3c4d5e6f7",
    "priority": 100,
    "conditions": [
      {
        "field": "path",
        "op": "prefix",
        "values": [
          "/api"
        ],
        "name": "X-Tenant"
      }
    ],
    "target_group_id": "b8c9d0e1-f2a3-4456-b7c8-d9e0f1a2b3c4",
    "created_at": "2026-01-15T09:30:00Z",
    "updated_at": "2026-01-15T09:30:00Z"
  }
}

{
  "error": {
    "code": "INVALID_INPUT",
    "message": "Invalid request parameters",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Authentication required",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "ACCESS_DENIED",
    "message": "You don't have permission to perform this action",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "NOT_FOUND",
    "message": "Resource not found",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "CONFLICT",
    "message": "Resource with this name already exists",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "IDEMPOTENCY_KEY_REUSED",
    "message": "This Idempotency-Key was already used with a different request payload",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}