clerk-cost-tuning

# Clerk Cost Tuning ## Overview Understand Clerk pricing and optimize costs. Clerk charges by Monthly Active Users (MAU). Covers pricing tiers, MAU reduction strategies, caching to reduce API calls, and usage monitoring. ## Prerequisites - Clerk account active - Understanding of MAU (Monthly Active Users) - Application usage patterns known ## Instructions ### Step 1: Understand Clerk Pricing Model | Plan | Price | MAU Included | Extra MAU | |------|-------|-------------|-----------| | Free | $0/mo | 10,000 MAU | N/A | | Pro | $25/mo | 10,000 MAU | $0.02/MAU | | Enterprise | Custom | Custom | Custom | Key pricing concepts: - **MAU** = unique user who authenticates at least once per month - Users who only visit public pages are not counted - Bot/crawler sessions are not counted - Test/development instances are free and unlimited ### Step 2: Reduce MAU Count ```typescript // Strategy 1: Defer authentication — don't force sign-in until necessary // middleware.ts import { clerkMiddleware, createRouteMatcher } from '@clerk/nextjs/server' const requiresAuth = createRouteMatcher([ '/dashboard(.*)', '/settings(.*)', '/api/protected(.*)', ]) export default clerkMiddleware(async (auth, req) => { // Only require auth for specific routes (not entire site) if (requiresAuth(req)) { await auth.protect() } }) ``` ```typescript // Strategy 2: Use anonymous access for read-only features // app/blog/[slug]/page.tsx import { auth } from '@clerk/nextjs/server' export def...