402Arcade vs x402 Service Discovery

402 Arcade is a collection of six absurd micro-services built for the agent-to-agent economy. Every tool costs $0.10 USDC on Base, paid automatically via the x402 protocol. No API keys, no subscriptions — just crypto-native micropayments. TRY BEFORE YOU BUY: Every service has a free try_* tool that

Discovers x402-payable APIs at runtime. Enables autonomous agents to find, evaluate, and pay for services via USDC micropayments on Base — no API keys or subscriptions required.

CLI Tools

APIs

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