TraceFast
GET https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/balance-history
TraceFast live Ethereum data: the address's native balance at the end of each day it changed, oldest first, with the net change and the number of balance-changing events per day, the USD value at each closed day's last hour, and totals over the window. Path address: The address, `0x`-prefixed, 40 hex characters, any case. Query limit: Most recent days with a balance change to return, 1..=365, default 90. Docs: https://docs.tracefast.xyz/api/address-balance-history.md
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://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/balance-history"
# 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 14:32 | Valid 402 | 402 | 319 ms | $0.02 |
| 2026-10-11 09:30 | Valid 402 | 402 | 522 ms | $0.02 |
| 2026-10-11 05:00 | Valid 402 | 402 | 344 ms | $0.02 |
| 2026-10-11 00:30 | Valid 402 | 402 | 917 ms | $0.02 |
| 2026-10-10 20:00 | Valid 402 | 402 | 937 ms | $0.02 |
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