ERC-20 Balance
x402Grade BLast checked 4 hours ago
POST https://x402-echo-service.onrender.com/chain/erc20-balance
Read an ERC-20 token balance on Base. POST {"address":"0x...","token":"0x..."} and receive the raw balance, the token decimals and the human-readable amount. Defaults to USDC when token is omitted. Live chain state, no indexer lag.
Price$0.001per chain read · paid in USD on Base
Uptime100%
4/4 probes · 795.5 ms
Score72Grade B
Paid usage, 30 days1payers · 1 calls
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X POST "https://x402-echo-service.onrender.com/chain/erc20-balance"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 11:01 | Valid 402 | 402 | 476 ms | $0.001 |
| 2026-10-11 06:30 | Valid 402 | 402 | 1115 ms | $0.001 |
| 2026-10-11 02:00 | Valid 402 | 402 | 421 ms | $0.001 |
| 2026-10-10 21:45 | Valid 402 | 402 | 1179 ms | $0.001 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves