Webhooks
Get signing secret
Fetch an endpoint’s signing secret, used to verify webhook signatures.
GET
/
v1
/
webhooks
/
endpoints
/
{endpointId}
/
secret
cURL
curl --request GET \
--url https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret \
--header 'Authorization: <authorization>'import requests
url = "https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret"
headers = {"Authorization": "<authorization>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: '<authorization>'}};
fetch('https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret', 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.nxos.io/v1/webhooks/endpoints/{endpointId}/secret",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: <authorization>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "<authorization>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret")
.header("Authorization", "<authorization>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = '<authorization>'
response = http.request(request)
puts response.read_body{
"object": "webhook_endpoint_secret",
"endpointId": "ep_a1b2c3d4e5f6a1b2c3d4e5f6",
"key": "whsec_C2FVsBQIhrscChlQIMVabcdefghijklmn"
}{
"error": {
"code": "missing_api_key",
"message": "No Authorization header provided.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}{
"error": {
"code": "not_found",
"message": "The requested resource was not found.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}{
"error": {
"code": "rate_limited",
"message": "Rate limit exceeded: 1000 requests per minute. Retry in 23 seconds.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}{
"error": {
"code": "internal_error",
"message": "An unexpected server error occurred.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}{
"error": {
"code": "chain_send_failed",
"message": "On-chain transaction failed.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}Headers
Bearer token. Format: Bearer <api_key>
Path Parameters
Response
The request has succeeded.
The signing secret for an endpoint. Use it to verify the svix-signature header on deliveries (a plain HMAC-SHA256 check — no special library required).
⌘I
cURL
curl --request GET \
--url https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret \
--header 'Authorization: <authorization>'import requests
url = "https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret"
headers = {"Authorization": "<authorization>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: '<authorization>'}};
fetch('https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret', 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.nxos.io/v1/webhooks/endpoints/{endpointId}/secret",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: <authorization>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "<authorization>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret")
.header("Authorization", "<authorization>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.nxos.io/v1/webhooks/endpoints/{endpointId}/secret")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = '<authorization>'
response = http.request(request)
puts response.read_body{
"object": "webhook_endpoint_secret",
"endpointId": "ep_a1b2c3d4e5f6a1b2c3d4e5f6",
"key": "whsec_C2FVsBQIhrscChlQIMVabcdefghijklmn"
}{
"error": {
"code": "missing_api_key",
"message": "No Authorization header provided.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}{
"error": {
"code": "not_found",
"message": "The requested resource was not found.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}{
"error": {
"code": "rate_limited",
"message": "Rate limit exceeded: 1000 requests per minute. Retry in 23 seconds.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}{
"error": {
"code": "internal_error",
"message": "An unexpected server error occurred.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}{
"error": {
"code": "chain_send_failed",
"message": "On-chain transaction failed.",
"requestId": "req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4"
}
}