Total Payments
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Possible x402
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Volume
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Agents
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Services
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Block
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Agents
Services
Payments
Node Types
AI Agent (sender)
Service (receiver)
Heavy Agent (10+ txs)
Payment Size
Nano: ≤$0.01 · Micro: ≤$0.10 · Small: ≤$1 · Medium: ≤$50
Arc brightness = frequency
x402 is the HTTP payment protocol for AI agents (by Coinbase). Agents pay for API calls, data, and compute using USDC micropayments on Base. This page tracks those payments live.