Thirteen production playbooks from running an x402 paid API on Base: shipping the endpoint, the payment-verifier rules, the real-money buyer test, the Base RPC capability audit, CDP authentication, directory registration, consolidating Cloudflare/Solana data, an rclone Google Drive bridge, AdSense, multi-size ad slots, nginx route recovery and secure Telegram alerts. Each item carries the mechanism, the commands, the pitfalls that cost us real money and how to verify the result.

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