ERC-20 Balance and Metadata
x402Grade FLast checked 17 min ago
POST https://market.datapackvibe.com/x402/assistant-erc20-balance-observation
ERC-20 Balance and Metadata: Read one wallet balance for one ERC-20 contract on Base, Arbitrum or Optimism at a pinned block. Returns atomic amount, decimals, formatted balance, and symbol/supply if supported. No fiat valuation or token-safety conclusion. 0.01 USDC includes one bounded blockchain observation.
Price$0.01per chain read · paid in USD on Base
Uptime50%
2/4 probes · 2981.5 ms
Score33Grade F
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://market.datapackvibe.com/x402/assistant-erc20-balance-observation"
# 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 11:31 | timeout | – | – | not listed |
| 2026-10-11 07:00 | No valid 402 | 502 | 9557 ms | not listed |
| 2026-10-11 02:30 | Valid 402 | 402 | 2860 ms | $0.01 |
| 2026-10-10 22:01 | Valid 402 | 402 | 3103 ms | $0.01 |
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