x402 lets agents discover, pay for, and use pay-per-use APIs without human signup
virattt · x · 2026-11-06
Developer davecyen highlights the x402 protocol for pay-per-use APIs: agents can automatically discover your API, pay for a single request, and use it—no human signup or API key management required.
It's already supported by findatasets and a growing set of agent-facing devtools, meaning the infrastructure for "agents autonomously purchasing paid services" is taking shape—a new distribution channel for developers monetizing APIs.
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