Webhooks

{
  "event": "person.created",
  "data": {
    "id": "abc12345",
    "firstName": "Alice",
    "lastName": "Doe",
    "email": "alice@example.com",
    "createdAt": "2025-02-10T15:30:45Z",
    "createdBy": "user_123"
  },
  "timestamp": "2025-02-10T15:30:50Z"
}

const crypto = require("crypto");

const timestamp = req.headers["x-twenty-webhook-timestamp"];
const payload = JSON.stringify(req.body);
const secret = "your-webhook-secret";

const stringToSign = `${timestamp}:${payload}`;
const expectedSignature = crypto
  .createHmac("sha256", secret)
  .update(stringToSign)
  .digest("hex");

const receivedSignature = req.headers["x-twenty-webhook-signature"];
const isValid = crypto.timingSafeEqual(
  Buffer.from(expectedSignature, "hex"),
  Buffer.from(receivedSignature, "hex")
);