Northline ChainKit
x402Grade CLast checked 1 min ago
GET https://northline-chainkit.northline-c86.workers.dev/v1/usdc/balances
USDC and native balance of one address on both Base and Arc in a single call.
Price$0.002per chain read · paid in USD on Base
Uptime100%
3/3 probes · 613 ms
Score69Grade C
Paid usage, 30 days0payers · 0 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 GET "https://northline-chainkit.northline-c86.workers.dev/v1/usdc/balances"
# 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 11:46 | Valid 402 | 402 | 540 ms | $0.002 |
| 2026-10-11 07:15 | Valid 402 | 402 | 584 ms | $0.002 |
| 2026-10-11 02:46 | Valid 402 | 402 | 644 ms | $0.002 |
| 2026-10-10 22:30 | Valid 402 | 402 | 613 ms | $0.002 |
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