Subscribe to Webhook

curl --request POST \
  --url https://api.thehyperstack.com/v1/webhook/subscribe \
  --header 'Content-Type: application/json' \
  --data '
{
  "url": "<string>",
  "events": {}
}
'

import requests

url = "https://api.thehyperstack.com/v1/webhook/subscribe"

payload = {
    "url": "<string>",
    "events": {}
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({url: '<string>', events: {}})
};

fetch('https://api.thehyperstack.com/v1/webhook/subscribe', 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.thehyperstack.com/v1/webhook/subscribe",
  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([
    'url' => '<string>',
    'events' => [
        
    ]
  ]),
  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.thehyperstack.com/v1/webhook/subscribe"

	payload := strings.NewReader("{\n  \"url\": \"<string>\",\n  \"events\": {}\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.thehyperstack.com/v1/webhook/subscribe")
  .header("Content-Type", "application/json")
  .body("{\n  \"url\": \"<string>\",\n  \"events\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.thehyperstack.com/v1/webhook/subscribe")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"url\": \"<string>\",\n  \"events\": {}\n}"

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

{
  "success": true,
  "message": "Webhook updated successfully"
}

{
  "success": false,
  "error": "URL and Event(s) are required",
  "error_code": "missing_url_event"
}

{
  "success": false,
  "error": "Invalid Event(s)",
  "error_code": "invalid_event"
}

{
  "success": false,
  "error": "Invalid URL",
  "error_code": "invalid_url"
}

{
  "detail": "Invalid token or organization not found"
}

POST

webhook

Subscribe to Webhook

curl --request POST \
  --url https://api.thehyperstack.com/v1/webhook/subscribe \
  --header 'Content-Type: application/json' \
  --data '
{
  "url": "<string>",
  "events": {}
}
'

import requests

url = "https://api.thehyperstack.com/v1/webhook/subscribe"

payload = {
    "url": "<string>",
    "events": {}
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({url: '<string>', events: {}})
};

fetch('https://api.thehyperstack.com/v1/webhook/subscribe', 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.thehyperstack.com/v1/webhook/subscribe",
  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([
    'url' => '<string>',
    'events' => [
        
    ]
  ]),
  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.thehyperstack.com/v1/webhook/subscribe"

	payload := strings.NewReader("{\n  \"url\": \"<string>\",\n  \"events\": {}\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.thehyperstack.com/v1/webhook/subscribe")
  .header("Content-Type", "application/json")
  .body("{\n  \"url\": \"<string>\",\n  \"events\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.thehyperstack.com/v1/webhook/subscribe")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"url\": \"<string>\",\n  \"events\": {}\n}"

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

{
  "success": true,
  "message": "Webhook updated successfully"
}

{
  "success": false,
  "error": "URL and Event(s) are required",
  "error_code": "missing_url_event"
}

{
  "success": false,
  "error": "Invalid Event(s)",
  "error_code": "invalid_event"
}

{
  "success": false,
  "error": "Invalid URL",
  "error_code": "invalid_url"
}

{
  "detail": "Invalid token or organization not found"
}

Description

This endpoint allows you to register a webhook URL to receive real-time event notifications from Hyperstack. If a subscription already exists for your organization, it will be updated with the new URL and events. Currently supported events:

credential.issued — triggered when a credential is successfully published

Headers

Authorization

string

required

Bearer YOUR_API_TOKEN — obtainable from Hyperstack Dashboard → Settings → API Access

Body Parameters

url

string

required

The HTTPS URL that Hyperstack will POST event payloads to. Must begin with http:// or https://.

events

array[string]

required

An array of event names to subscribe to. Currently supported values: ["credential.issued"].

Success Response Fields

success

boolean

Indicates whether the subscription was created or updated.

message

string

A confirmation message. Value: "Webhook updated successfully".

Responses

{
  "success": true,
  "message": "Webhook updated successfully"
}

{
  "success": false,
  "error": "URL and Event(s) are required",
  "error_code": "missing_url_event"
}

{
  "success": false,
  "error": "Invalid Event(s)",
  "error_code": "invalid_event"
}

{
  "success": false,
  "error": "Invalid URL",
  "error_code": "invalid_url"
}

{
  "detail": "Invalid token or organization not found"
}

curl -X POST "https://api.thehyperstack.com/v1/webhook/subscribe" \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://yourapp.com/webhooks/hyperstack",
    "events": ["credential.issued"]
  }'

Last modified on February 22, 2026

Update Recipient Unsubscribe from Webhook

API Guide

Credential Groups

Credentials

Recipients

Webhooks

Subscribe to Webhook

Description

Headers

Body Parameters

Success Response Fields

Responses

​Description

​Headers

​Body Parameters

​Success Response Fields

​Responses

Description

Headers

Body Parameters

Success Response Fields

Responses