hubspot-integration

# HubSpot Integration Expert patterns for HubSpot CRM integration including OAuth authentication, CRM objects, associations, batch operations, webhooks, and custom objects. Covers Node.js and Python SDKs. ## Patterns ### OAuth 2.0 Authentication Secure authentication for public apps **When to use**: Building public app or multi-account integration ### Template // OAuth 2.0 flow for HubSpot import { Client } from "@hubspot/api-client"; // Environment variables const CLIENT_ID = process.env.HUBSPOT_CLIENT_ID; const CLIENT_SECRET = process.env.HUBSPOT_CLIENT_SECRET; const REDIRECT_URI = process.env.HUBSPOT_REDIRECT_URI; const SCOPES = "crm.objects.contacts.read crm.objects.contacts.write"; // Step 1: Generate authorization URL function getAuthUrl(): string { const authUrl = new URL("https://app.hubspot.com/oauth/authorize"); authUrl.searchParams.set("client_id", CLIENT_ID); authUrl.searchParams.set("redirect_uri", REDIRECT_URI); authUrl.searchParams.set("scope", SCOPES); return authUrl.toString(); } // Step 2: Handle OAuth callback async function handleOAuthCallback(code: string) { const response = await fetch("https://api.hubapi.com/oauth/v1/token", { method: "POST", headers: { "Content-Type": "application/x-www-form-urlencoded" }, body: new URLSearchParams({ grant_type: "authorization_code", client_id: CLIENT_ID, client_secret: CLIENT_SECRET, redirect_uri: REDIRECT_URI, code: code, }), }); const tokens = ...