# Cloudflare Restock Alert Kit > Ready-to-deploy Cloudflare Worker kit that watches shop pages and alerts you the moment a product is back in stock. - URL: https://base-usdc-kit-checkout.restockalarm.workers.dev/ - Price: 9 USDC on Base (chainId 8453), one-time, no account - Pay page: https://base-usdc-kit-checkout.restockalarm.workers.dev/pay - Pay to: 0x7B97303d62517eA9E26D1E1b199Eac42a487F430 - Token: USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 ## What you get - Complete Cloudflare Worker source (cron-based restock watcher) - Alert setup (Discord/email/webhook) + config examples - Step-by-step deploy guide — runs on the free plan - Instant zip download, no account ## How to buy (agent flow) 1. POST https://base-usdc-kit-checkout.restockalarm.workers.dev/api/order -> JSON {order, id, amount, amountUnits, payTo, eip681, startBlock} 2. Send exactly `amount` USDC on Base to `payTo` (eip681 URI given; extra micro-cents identify the order) 3. Poll GET https://base-usdc-kit-checkout.restockalarm.workers.dev/api/status?order= until paid=true; response contains the unlock link 4. After payment the page shows a Download button (/download?token=…) for cloudflare-restock-alert-kit.zip (link valid 7 days). ## Catalog - https://product-katalog.restockalarm.workers.dev/llms.txt