concordancehq.duckdns.org publishes 2 machine-payable endpoints over the x402 protocol, priced from $0.01 to $0.01 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /tools/search | POST | $0.01 | 402 |
| /tools/series | POST | $0.01 | 402 |
Full-text search across every aggregated data source in one call: news, SEC filings, court opinions, academic papers, government records, and developer discussions. One query surfaces everything conco…
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.