# SYNTHORA — M2M Intelligence Mesh

> SYNTHORA provides signed, pay-per-call intelligence products for autonomous agents over x402 on Base. The product list is generated from the current discoverable registry.

- **Domain**: `pay.hergertsynthora.com`
- **Provider**: SYNTHORA (https://hergertsynthora.com)
- **A2A protocol version**: 1.0
- **Kind**: paid_api
- **Category**: verification
- **Live-responds (last probe)**: False
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 80%
- **Payment protocol**: x402
- **Wallet**: `0x10800a5a5b9d72251566ec651e862a8b4b427de0`

## Skills
- **Air Quality** — SYNTHORA air-quality: live air quality for any city or lat,lon — PM2.5/PM10/ozone/NO2, EU and US AQI, and a WHO-threshold operational verdict (good/moderate/har
- **Bitcoin Fees** — SYNTHORA bitcoin-fees: Bitcoin fee tiers in sat/vB (fastest/half-hour/hour/economy/minimum) plus current block height. Source: mempool.space public API, keyless
- **Defi Llama Tvl Ranking** — SYNTHORA defi-llama-tvl-ranking: Top DeFi protocols by TVL with rank, chain, category and 1d/7d change, capped list (default 50, max 200 via {"limit":N}). Sourc
- **Defi Yields** — SYNTHORA defi-yields: stablecoin DeFi yields ranked with a risk outlier detector — APY vs class median (>=3x median = the excess yield IS the risk price). Only 
- **Dnsdomain** — Full DNS + WHOIS/RDAP domain report in one call. Resolves A, AAAA, MX, TXT, NS, CNAME, SOA and DNSSEC over DNS-over-HTTPS, plus structured WHOIS via RDAP (regis
- **Doaj Article Search** — Searches the Directory of Open Access Journals article index, returning titles, authors, DOIs, journal, ISSNs, abstracts and open-access full-text links as JSON
- **Ecb Forex Fixing Vs Market** — SYNTHORA ecb-forex-fixing-vs-market: Compare the official ECB daily EUR/USD reference fixing with a client-supplied USD-per-EUR quote, timestamp and provenance.
- **Ecb Macro** — SYNTHORA ecb-macro: official eurozone macro from the ECB data warehouse — HICP inflation, MRR policy rate, 10Y govt yield, each with previous value, change and 
- **Exchange Rates Verified** — SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB official fixing via frankfurter.app vs market
- **Fed Watch** — SYNTHORA fed-watch: US reference-rate funding pulse — SOFR/EFFR/TGCR/BGCR/OBFR with volumes, percentile dispersion and the SOFR-EFFR spread (the funding-stress 
- **Gas Oracle Multi** — SYNTHORA gas-oracle-multi: gas price across 5 chains (ethereum, base, arbitrum, optimism, polygon), each VERIFIED by two independent public RPCs with divergence
- **Gdelt Tension** — SYNTHORA gdelt-tension: geopolitical tension index for any topic/country — news-mention spike vs 7d baseline, average tone shift, escalation flag and the headli
- **Github Repo Activity** — SYNTHORA github-repo-activity: Activity metrics for any public GitHub repo (input owner/repo): stars, forks, open issues, last push, language, archived flag. 10
- **Historical Weather** — SYNTHORA historical-weather: verified historical weather for any place and date (1940 → ~5 days ago) from the ERA5 reanalysis — tmax/tmin, precipitation, max wi
- **Npm Downloads Range** — Returns a per-day download time series for an npm package over a period from keyless api.npmjs.org — the raw signal for trend and growth-rate detection. Lets au
- **Payto Preflight** — x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Determini
- **Polymarket Markets** — Search prediction markets ACROSS PLATFORMS (Polymarket + Kalshi) in one call: live prices, implied probability, volume, liquidity, end date and market convictio
- **Polymarket Trades** — Historical Polymarket trade query with filters plus per-wallet aggregation. $0.03 USDC x402 Base.
- **Port Watch** — SYNTHORA port-watch: daily port activity for any of 2,065 ports (Shanghai, Singapore, Rotterdam, LA, Long Beach presets + any name) — port calls, estimated impo
- **Registry Watch** — Registry change history from stored registry_delta records, ordered by database timestamp and ID. Query with since (cursor or ISO8601), slug and limit (1..200).
- **Space Weather Risk** — SYNTHORA space-weather-risk: composite operational space-weather risk verdict fusing 4 NOAA SWPC feeds (Kp/G scale, GOES X-ray flare class, solar wind, proton f
- **Stablecoin Supply** — SYNTHORA stablecoin-supply: circulating USD supply, price and peg deviation in basis points for the top stablecoins (USDT, USDC, DAI...), with a depeg alert fla
- **Top Crypto** — SYNTHORA top-crypto: Top N cryptocurrencies by market cap (default 10, max 50): rank, price, 24h change, volume and market cap in USD. Source: CoinGecko free AP
- **Usgs Earthquakes** — SYNTHORA usgs-earthquakes: latest earthquakes (M>=4.5 default, tunable) with PAGER alert level, tsunami flag and ACTIVE SEISMIC CLUSTER detection (>=3 events sa
- **Volume Anomaly** — SYNTHORA volume-anomaly: crypto volume-anomaly alerts for arbitrage bots — assets whose 24h turnover (volume/mcap) is anomalously high vs their cohort (z-score)
- **Who Gho Indicator Timeseries** — Returns WHO Global Health Observatory OData time series (ghoapi.azureedge.net/api) for an indicator such as life expectancy (WHOSIS_000001): country, year, sex 

## URLs
- Agent card: https://pay.hergertsynthora.com/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/pay.hergertsynthora.com
- Documentation: https://api.hergertsynthora.com/llms.txt