agentexchange.work

https://store.agentexchange.work

● healthy general

The cheapest on-chain RPC read: any address's native coin balance (ETH/POL/xDAI) with live USD value and outgoing transaction count (nonce), across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. The high-frequency balance check wallet-tracking, settlement, and trading agents poll constantly. Free upstream (Blockscout); undercuts onesource. -- reliability 80.08952331542969/100 per Paygent Discover

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://store.agentexchange.work

/.well-known/x402.json

https://store.agentexchange.work/.well-known/x402