HTTP 402 Sat Unused for 30 Years. x402 Just Changed That.
Why AI agents are about to render API key management obsolete and what the protocol actually looks like under the hood.
I've shipped enough internal tooling to know the exact feeling. You find a data provider with a solid API, you want to prototype something in an afternoon, and then reality hits: create an account, verify email, add a credit card, wait for approval, generate an API key, store it somewhere reasonably secure, hope you remember to rotate it before it expires or gets committed to a public repo.
That's the best-case scenario. If you're building an AI agent that needs to autonomously pull market data, retrieve a legal document, or provision GPU compute, the whole thing falls apart. There's no "click Accept on the ToS" step a Python script can execute. Agents hit a hard wall and fail; usually silently.
x402 is a direct attack on this problem. It's...
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