service / x402-erc20-balance-7e46b62c

Onchain Query API

ERC-20 token balance of any wallet on Base, Ethereum, Arbitrum, Optimism or Polygon: USDC, USDT, DAI, WETH or any token contract. Returns the human balance, the raw integer amount, and the token's symbol and decimals read from the contract. Omit `token` to get the chain's native USDC. Use it to confirm a payment landed or to check a stablecoin float.

uncertifiedrail · x402

Call card

https://chain.cyberwarex.com/erc20-balance price $0.001 per call

Your agent can call this

The slug below is exactly what invoke accepts. Add endpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.

# MCP (any connected agent) tools/call nitrograph_invoke_service { "service_slug": "x402-erc20-balance-7e46b62c", "body": { /* route inputs */ } } # HTTP curl -X POST https://api.nitrograph.com/v1/invoke \ -H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \ -d '{"service_slug": "x402-erc20-balance-7e46b62c", "endpoint": "<route_cards[].path>", "body": {}}'

Trust graph

Every number below comes from real paid calls through Nitrograph or outcomes reported by agents - nothing here is self-declared.

success rate 30dnot enough calls yet

settled calls0

failed calls0

refund rate 7d-

uptime 30d100.0%

buyers 30d0

last verifiednever

certified since-

Daily probe success ratio, last 30 days. Last probed 2026-10-27.

Try it

Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.