lucidchart-webhooks-events

# Lucidchart Webhooks & Events ## Overview Lucidchart delivers real-time webhook notifications when documents, shapes, and collaboration states change across your organization's diagramming workspace. These events power integrations such as auto-archiving diagrams to Confluence when finalized, notifying Slack channels when collaborators join a shared document, triggering CI pipelines when architecture diagrams are updated, and maintaining audit logs of all document access. Payloads are signed JSON delivered over HTTPS using a webhook signing secret. ## Prerequisites - A Lucid developer account with an OAuth2 app registered at `developer.lucid.co` - Webhook endpoint URL accessible over HTTPS (TLS 1.2+) - Webhook signing secret from the Lucid app settings (`LUCID_WEBHOOK_SECRET`) - Express.js with raw body parsing for signature verification ## Webhook Registration ```typescript import axios from "axios"; const res = await axios.post( "https://api.lucid.co/v1/webhooks", { callbackUrl: "https://your-app.com/webhooks/lucidchart", events: ["document.created", "document.updated", "document.shared", "shape.added", "collaborator.joined"], scope: "account", }, { headers: { Authorization: `Bearer ${process.env.LUCID_ACCESS_TOKEN}`, "Lucid-Api-Version": "1" } } ); console.log("Webhook ID:", res.data.webhookId); ``` ## Signature Verification ```typescript import crypto from "crypto"; import { Request, Response, NextFunction } from "...