curl --request PUT \
  --url http://localhost:3001/portal-api/callouts/{callout_id} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "Name": "Create Salesforce case",
  "TargetURL": "https://gateway.internal.example.com/support/cases",
  "AuthenticationType": "static_header",
  "AuthHeaderName": "X-Portal-Callout-Key",
  "OAuthTokenURL": "https://identity.example.com/oauth/token",
  "OAuthClientID": "portal-callouts",
  "OAuthScopes": "cases.write profile",
  "IncludeActorIdentity": false,
  "TLSInsecureSkipVerify": false,
  "Timeout": 5,
  "Enabled": false,
  "AuthHeaderValue": "Bearer secret",
  "OAuthClientSecret": "client-secret"
}
'

import requests

url = "http://localhost:3001/portal-api/callouts/{callout_id}"

payload = {
    "Name": "Create Salesforce case",
    "TargetURL": "https://gateway.internal.example.com/support/cases",
    "AuthenticationType": "static_header",
    "AuthHeaderName": "X-Portal-Callout-Key",
    "OAuthTokenURL": "https://identity.example.com/oauth/token",
    "OAuthClientID": "portal-callouts",
    "OAuthScopes": "cases.write profile",
    "IncludeActorIdentity": False,
    "TLSInsecureSkipVerify": False,
    "Timeout": 5,
    "Enabled": False,
    "AuthHeaderValue": "Bearer secret",
    "OAuthClientSecret": "client-secret"
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    Name: 'Create Salesforce case',
    TargetURL: 'https://gateway.internal.example.com/support/cases',
    AuthenticationType: 'static_header',
    AuthHeaderName: 'X-Portal-Callout-Key',
    OAuthTokenURL: 'https://identity.example.com/oauth/token',
    OAuthClientID: 'portal-callouts',
    OAuthScopes: 'cases.write profile',
    IncludeActorIdentity: false,
    TLSInsecureSkipVerify: false,
    Timeout: 5,
    Enabled: false,
    AuthHeaderValue: 'Bearer secret',
    OAuthClientSecret: 'client-secret'
  })
};

fetch('http://localhost:3001/portal-api/callouts/{callout_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "3001",
  CURLOPT_URL => "http://localhost:3001/portal-api/callouts/{callout_id}",
  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([
    'Name' => 'Create Salesforce case',
    'TargetURL' => 'https://gateway.internal.example.com/support/cases',
    'AuthenticationType' => 'static_header',
    'AuthHeaderName' => 'X-Portal-Callout-Key',
    'OAuthTokenURL' => 'https://identity.example.com/oauth/token',
    'OAuthClientID' => 'portal-callouts',
    'OAuthScopes' => 'cases.write profile',
    'IncludeActorIdentity' => false,
    'TLSInsecureSkipVerify' => false,
    'Timeout' => 5,
    'Enabled' => false,
    'AuthHeaderValue' => 'Bearer secret',
    'OAuthClientSecret' => 'client-secret'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "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 := "http://localhost:3001/portal-api/callouts/{callout_id}"

	payload := strings.NewReader("{\n  \"Name\": \"Create Salesforce case\",\n  \"TargetURL\": \"https://gateway.internal.example.com/support/cases\",\n  \"AuthenticationType\": \"static_header\",\n  \"AuthHeaderName\": \"X-Portal-Callout-Key\",\n  \"OAuthTokenURL\": \"https://identity.example.com/oauth/token\",\n  \"OAuthClientID\": \"portal-callouts\",\n  \"OAuthScopes\": \"cases.write profile\",\n  \"IncludeActorIdentity\": false,\n  \"TLSInsecureSkipVerify\": false,\n  \"Timeout\": 5,\n  \"Enabled\": false,\n  \"AuthHeaderValue\": \"Bearer secret\",\n  \"OAuthClientSecret\": \"client-secret\"\n}")

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

	req.Header.Add("Authorization", "<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.put("http://localhost:3001/portal-api/callouts/{callout_id}")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"Name\": \"Create Salesforce case\",\n  \"TargetURL\": \"https://gateway.internal.example.com/support/cases\",\n  \"AuthenticationType\": \"static_header\",\n  \"AuthHeaderName\": \"X-Portal-Callout-Key\",\n  \"OAuthTokenURL\": \"https://identity.example.com/oauth/token\",\n  \"OAuthClientID\": \"portal-callouts\",\n  \"OAuthScopes\": \"cases.write profile\",\n  \"IncludeActorIdentity\": false,\n  \"TLSInsecureSkipVerify\": false,\n  \"Timeout\": 5,\n  \"Enabled\": false,\n  \"AuthHeaderValue\": \"Bearer secret\",\n  \"OAuthClientSecret\": \"client-secret\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://localhost:3001/portal-api/callouts/{callout_id}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"Name\": \"Create Salesforce case\",\n  \"TargetURL\": \"https://gateway.internal.example.com/support/cases\",\n  \"AuthenticationType\": \"static_header\",\n  \"AuthHeaderName\": \"X-Portal-Callout-Key\",\n  \"OAuthTokenURL\": \"https://identity.example.com/oauth/token\",\n  \"OAuthClientID\": \"portal-callouts\",\n  \"OAuthScopes\": \"cases.write profile\",\n  \"IncludeActorIdentity\": false,\n  \"TLSInsecureSkipVerify\": false,\n  \"Timeout\": 5,\n  \"Enabled\": false,\n  \"AuthHeaderValue\": \"Bearer secret\",\n  \"OAuthClientSecret\": \"client-secret\"\n}"

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

{
  "Name": "Create Salesforce case",
  "TargetURL": "https://gateway.internal.example.com/support/cases",
  "Method": "POST",
  "AuthenticationType": "static_header",
  "AuthHeaderName": "X-Portal-Callout-Key",
  "OAuthTokenURL": "https://identity.example.com/oauth/token",
  "OAuthClientID": "portal-callouts",
  "OAuthScopes": "cases.write profile",
  "IncludeActorIdentity": false,
  "TLSInsecureSkipVerify": false,
  "Timeout": 5,
  "Enabled": false,
  "ID": 1,
  "CID": "<string>",
  "CreatedAt": "<string>",
  "UpdatedAt": "<string>"
}