series
x402Grade BLast checked 2 hours ago
POST https://concordancehq.duckdns.org/tools/series
Tabular time-series lookup across economic indicators (FRED, World Bank, UN Comtrade), crypto TVL, weather, and stock quotes -- by source + series_id, with an optional date range.
Price$0.01per location lookup · paid in USD on Base
Uptime100%
5/5 probes · 1118 ms
Score72Grade B
Paid usage, 30 days2payers · 3 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://concordancehq.duckdns.org/tools/series"
# 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 13:02 | Valid 402 | 402 | 1215 ms | $0.01 |
| 2026-10-11 08:45 | Valid 402 | 402 | 1776 ms | $0.01 |
| 2026-10-11 04:15 | Valid 402 | 402 | 1020 ms | $0.01 |
| 2026-10-10 23:45 | Valid 402 | 402 | 1069 ms | $0.01 |
| 2026-10-10 18:45 | Valid 402 | 402 | 1118 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