curl --request PUT \
  --url https://api.getredo.com/v2.2/webhooks/{webhookId} \
  --header 'Content-Type: application/json' \
  --data '
{
  "webhook": {
    "callback": {
      "auth": {
        "bearer": {
          "token": "abc123"
        }
      },
      "url": "https://subscriber.example.org/events"
    },
    "externalId": null
  }
}
'

import requests

url = "https://api.getredo.com/v2.2/webhooks/{webhookId}"

payload = { "webhook": {
        "callback": {
            "auth": { "bearer": { "token": "abc123" } },
            "url": "https://subscriber.example.org/events"
        },
        "externalId": None
    } }
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    webhook: {
      callback: {
        auth: {bearer: {token: 'abc123'}},
        url: 'https://subscriber.example.org/events'
      },
      externalId: null
    }
  })
};

fetch('https://api.getredo.com/v2.2/webhooks/{webhookId}', 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.getredo.com/v2.2/webhooks/{webhookId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'webhook' => [
        'callback' => [
                'auth' => [
                                'bearer' => [
                                                                'token' => 'abc123'
                                ]
                ],
                'url' => 'https://subscriber.example.org/events'
        ],
        'externalId' => null
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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.getredo.com/v2.2/webhooks/{webhookId}"

	payload := strings.NewReader("{\n  \"webhook\": {\n    \"callback\": {\n      \"auth\": {\n        \"bearer\": {\n          \"token\": \"abc123\"\n        }\n      },\n      \"url\": \"https://subscriber.example.org/events\"\n    },\n    \"externalId\": null\n  }\n}")

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

	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.put("https://api.getredo.com/v2.2/webhooks/{webhookId}")
  .header("Content-Type", "application/json")
  .body("{\n  \"webhook\": {\n    \"callback\": {\n      \"auth\": {\n        \"bearer\": {\n          \"token\": \"abc123\"\n        }\n      },\n      \"url\": \"https://subscriber.example.org/events\"\n    },\n    \"externalId\": null\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.getredo.com/v2.2/webhooks/{webhookId}")

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

request = Net::HTTP::Put.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"webhook\": {\n    \"callback\": {\n      \"auth\": {\n        \"bearer\": {\n          \"token\": \"abc123\"\n        }\n      },\n      \"url\": \"https://subscriber.example.org/events\"\n    },\n    \"externalId\": null\n  }\n}"

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

{
  "detail": "<string>",
  "instance": "<string>",
  "title": "<string>",
  "type": "about:blank"
}