air-quality
Air quality
Air quality indicators and pollutants for a city or coordinate. Declared source: Open-Meteo and CAMS.
https://api.hergertsynthora.com/v1/air-qualityHow to integrate this resource HERGERT SYNTHORA
Intelligence for your processes
Intelligence services to integrate into your organization or your agents.
Choose a resource and check its sources, parameters and conditions. Each sheet presents the service declared by the operator; the documentation explains how to verify the response and the scope of its signature.
Source: Canonical catalog · declared date 2026-10-13T03:47:02Z. The amounts on this page are a snapshot; the terms of the request’s 402 challenge indicate the applicable charge.
26 declared resources
No resources for this search and category.
bitcoin-fees
Bitcoin fees
Fee levels in sat/vB and block height. Declared source: mempool.space.
https://api.hergertsynthora.com/v1/bitcoin-feesHow to integrate this resource defi-llama-tvl-ranking
DeFi protocol activity
Ranking by total value locked, chains, categories and change. Declared source: DefiLlama.
https://api.hergertsynthora.com/v1/defi-llama-tvl-rankingHow to integrate this resource defi-yields
DeFi pool yields
Query published yields of stablecoin pools and their context. Declared source: DefiLlama.
https://api.hergertsynthora.com/v1/defi-yieldsHow to integrate this resource dnsdomain
Technical domain identity
DNS records and domain registration information via RDAP.
https://dnsdomain.hergertsynthora.com/serviceHow to integrate this resource doaj-article-search
Open access research
Search for articles, authors, identifiers and links in the DOAJ index.
https://api.hergertsynthora.com/v1/doaj-article-searchHow to integrate this resource ecb-forex-fixing-vs-market
Currencies between reference and market
Comparison of the ECB’s EUR/USD reference with an aggregated market quote.
https://api.hergertsynthora.com/v1/ecb-forex-fixing-vs-marketHow to integrate this resource ecb-macro
European macroeconomic context
Series published by the ECB on inflation, rates and debt yields.
https://api.hergertsynthora.com/v1/ecb-macroHow to integrate this resource exchange-rates-verified
Exchange rate cross-check
Comparison of exchange rates among the sources declared by the resource.
https://api.hergertsynthora.com/v1/exchange-rates-verifiedHow to integrate this resource fed-watch
United States reference rates
Funding series from the Federal Reserve Bank of New York and their differentials.
https://api.hergertsynthora.com/v1/fed-watchHow to integrate this resource gas-oracle-multi
Transaction cost on networks
Gas prices and cross-check of public RPCs on the networks declared by the service.
https://api.hergertsynthora.com/v1/gas-oracle-multiHow to integrate this resource gdelt-tension
Geopolitical context in news
Mention volume and informative tone of a topic, with time reference. Declared source: GDELT.
https://api.hergertsynthora.com/v1/gdelt-tensionHow to integrate this resource github-repo-activity
Repository activity
Metrics of a public GitHub repository: activity, stars, forks and status.
https://api.hergertsynthora.com/v1/github-repo-activityHow to integrate this resource historical-weather
Historical weather
Query temperature, precipitation and wind for a location and date. Declared source: ERA5 reanalysis via Open-Meteo.
https://api.hergertsynthora.com/v1/historical-weatherHow to integrate this resource npm-downloads-range
npm package adoption
Daily download series of a package over an interval. Declared source: npm public API.
https://npm-downloads-range.hergertsynthora.com/serviceHow to integrate this resource payto-preflight
x402 destination pre-check
Cross-check of a payment destination against the operator’s registry before an integration.
https://api.hergertsynthora.com/v1/payto-preflightHow to integrate this resource polymarket-markets
Prediction markets
Search markets, prices, volume and liquidity on the platforms declared by the service.
https://api.hergertsynthora.com/v1/polymarket-marketsHow to integrate this resource polymarket-trades
Polymarket trades
Query historical trades with filters and per-wallet aggregation.
https://api.hergertsynthora.com/v1/polymarket-tradesHow to integrate this resource port-watch
Port activity
Port calls and estimated import and export capacity, with time context. Declared source: IMF PortWatch.
https://api.hergertsynthora.com/v1/port-watchHow to integrate this resource registry-watch
Registry changes
Query declared changes in the operator’s registry via its API.
https://api.hergertsynthora.com/v1/registry-watchHow to integrate this resource space-weather-risk
Space weather
Integration of geomagnetic activity, X-ray, solar wind and proton indicators. Declared source: NOAA SWPC.
https://api.hergertsynthora.com/v1/space-weather-riskHow to integrate this resource stablecoin-supply
Stablecoin supply and reference
Circulating supply, price and deviation from the dollar reference. Declared source: DefiLlama.
https://api.hergertsynthora.com/v1/stablecoin-supplyHow to integrate this resource top-crypto
Crypto market context
Ranking by market capitalization, price, change and volume. Declared source: CoinGecko.
https://api.hergertsynthora.com/v1/top-cryptoHow to integrate this resource usgs-earthquakes
Seismic activity
Seismic events and alert fields published by the USGS, with the service’s filters.
https://api.hergertsynthora.com/v1/usgs-earthquakesHow to integrate this resource volume-anomaly
Unusual volume activity
Comparison of asset volume and market capitalization with their reference group. Declared sources: CoinGecko and DefiLlama.
https://api.hergertsynthora.com/v1/volume-anomalyHow to integrate this resource who-gho-indicator-timeseries
Public health indicators
Country, year and dimension series of an indicator from the WHO Global Health Observatory.
https://who-gho-indicator-timeseries.hergertsynthora.com/serviceHow to integrate this resource