I just published a technical walkthrough on building x402-native AI agents with Coinbase AgentKit + PayWatcher.
The short version: AgentKit gives your agent a wallet. x402 defines how it pays. PayWatcher verifies the payment happened.
The full autonomous loop in ~20 lines of TypeScript — no API keys, no accounts, testnet-first on Base Sepolia.
Read it on Paragraph 👇
https://paragraph.com/@paywatcher/building-x402-native-ai-agents-with-coinbase-agentkit-paywatcher
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