X402AgentPay

What it does

AI agents are being built every day — but they can't pay each other. X402AgentPay fixes this. Raw x402 handles the transport. AgentPay adds the commerce layer: agent identity, capability registry, reputation scoring, delegated spending grants, and tamper-proof receipt hashes — all in one HTTP header. Built on Base L2, settled in USDC. Patent pending. pip install x402-agentpay

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  x4022025 · x402.org · ▲119

  Hi HN – excited to announce x402, initially developed by Coinbase (YC 12) x402 lets any HTTP API charge per request without issuing API keys or storing credit cards. Buyers (humans or AI agents) keep funds in their own wallet and dynamically discover compatible endpoints, call them as usual, and automatically pay a microtransaction in USDC or other tokens to settle. 90 second demo: https://www.youtube.com/watch?v=PV-L2AfLhJg Problem: Every time we want to use a new API we have to: find the service online create a developer account, copy a secret key into env vars, pre-fund or…

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  Cloud World ModelJun 2026 · cloudworldmodel.ai · ▲172

  How we built native x402 payable API support so AI agents can run simulations and pay per request — no human-in-the-loop billing setup required.

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  AP22025 · cloud.google.com · ▲155

  The open protocol for agentic commerce

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  delegareApr 2026 · delegare.dev · ▲70

  Hi guys, am building SecureLend.ai and when working on our underwriting agents (free trial, paid after) I had issues with seamless payment options. Of course I looked at x402 which I believe is a great protocol but not a fan of a) sharing private keys with the agent b) having a human in the loop or c) similar workaround e.g. pre-funded wallets So I started building out a solution. For my use case it was important to not only have stablecoins but also a fiat rail which is now implemented using Stripe. Initially I build a mandate system internally but am very glad and big shoutout to the guys…

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