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How to give your AI agent web search with x402 (no API key)

Every x402serps endpoint is a normal JSON POST. Send it without payment and you get HTTP 402 back with payment requirements (price, network, payTo). An x402 client signs a USDC payment, puts it in the X-PAYMENT header and retries. There are no API keys. 1. Look at the 402 curl -i -X POST https://x4…

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  1. 2026-11-03 21:31 · DEV Community — AI
    How to give your AI agent web search with x402 (no API key)

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