Hergert Synthora

{
  "protocolVersion": "1.0",
  "name": "Hergert Synthora",
  "description": "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.",
  "url": "https://api.hergertsynthora.com",
  "provider": {
    "organization": "HERGERT SYNTHORA S.L.",
    "url": "https://hergertsynthora.com"
  },
  "iconUrl": "https://hergertsynthora.com/logo.png",
  "version": "2.0.1",
  "documentationUrl": "https://api.hergertsynthora.com/llms.txt",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "supportsAuthenticatedExtendedCard": false,
  "skills": [
    {
      "id": "air-quality",
      "name": "Air Quality",
      "description": "SYNTHORA air-quality: live air quality for any city or lat,lon \u2014 PM2.5/PM10/ozone/NO2, EU and US AQI, and a WHO-threshold operational verdict (good/moderate/harmful). Source: open-meteo Air Quality (CAMS/ESA Copernicus), free, no key. $0.01 USDC x402 Base.",
      "tags": [
        "air-quality",
        "pm25",
        "aqi",
        "environment",
        "health",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/air-quality",
        "price_usdc": 0.01,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "bitcoin-fees",
      "name": "Bitcoin Fees",
      "description": "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. Bitcoin only.",
      "tags": [
        "bitcoin",
        "fees",
        "mempool",
        "realtime"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/bitcoin-fees",
        "price_usdc": 0.01,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "defi-llama-tvl-ranking",
      "name": "Defi Llama Tvl Ranking",
      "description": "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}). Source: api.llama.fi/protocols (DefiLlama), keyless, timestamped.",
      "tags": [
        "defi",
        "tvl",
        "defillama",
        "ranking",
        "realtime"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/defi-llama-tvl-ranking",
        "price_usdc": 0.01,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "defi-yields",
      "name": "Defi Yields",
      "description": "SYNTHORA defi-yields: stablecoin DeFi yields ranked with a risk outlier detector \u2014 APY vs class median (>=3x median = the excess yield IS the risk price). Only pools with TVL >= $10M. Source: DefiLlama, free, no key. $0.01 USDC x402 Base.",
      "tags": [
        "defi",
        "yields",
        "apy",
        "risk",
        "stablecoins",
        "verified",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/defi-yields",
        "price_usdc": 0.01,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "dnsdomain",
      "name": "Dnsdomain",
      "description": "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 (registrar, registration/expiration/updated dates, EPP status, nameservers), and returns a 0-100 domain-hygiene score with letter grade (age, days-to-expiry, nameserver redundancy, MX presence, DNSSEC, SPF/DMARC, registrar lock). Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet \u2014 send header 'X-WALLET: 0x<your Base address>' (no payment); then 0.001 USDC per call.",
      "tags": [
        "intelligence",
        "x402",
        "base"
      ],
      "x402": {
        "endpoint": "https://dnsdomain.hergertsynthora.com/service",
        "price_usdc": 0.001,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "doaj-article-search",
      "name": "Doaj Article Search",
      "description": "Searches the Directory of Open Access Journals article index, returning titles, authors, DOIs, journal, ISSNs, abstracts and open-access full-text links as JSON. A keyless endpoint for autonomous research agents and agent-to-agent workflows sourcing legally free, peer-reviewed open-access literature. First 3 calls FREE per wallet \u2014 send header X-WALLET: 0x<addr>. No charge on upstream failure.",
      "tags": [
        "intelligence",
        "x402",
        "base"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/doaj-article-search",
        "price_usdc": 0.005,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "ecb-forex-fixing-vs-market",
      "name": "Ecb Forex Fixing Vs Market",
      "description": "SYNTHORA ecb-forex-fixing-vs-market: ECB daily EUR/USD fixing vs live market rate: deviation in basis points, direction and >25bps alert. Sources: official ECB eurofxref-daily.xml + open.er-api.com, both keyless.",
      "tags": [
        "forex",
        "ecb",
        "eur-usd",
        "fixing",
        "realtime"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/ecb-forex-fixing-vs-market",
        "price_usdc": 0.01,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "ecb-macro",
      "name": "Ecb Macro",
      "description": "SYNTHORA ecb-macro: official eurozone macro from the ECB data warehouse \u2014 HICP inflation, MRR policy rate, 10Y govt yield, each with previous value, change and direction. For macro/rates agents and prediction markets. Official free source, no key. $0.03 USDC x402 Base.",
      "tags": [
        "ecb",
        "eurozone",
        "inflation",
        "rates",
        "macro",
        "official",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/ecb-macro",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "exchange-rates-verified",
      "name": "Exchange Rates Verified",
      "description": "SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB official fixing via frankfurter.app vs market aggregate open.er-api.com) with per-currency deviation in bps and divergence alert >50 bps. The product is the discrepancy: a bad rate breaks a financial agent. Free sources, no key. $0.03 USDC x402 Base.",
      "tags": [
        "fintech",
        "verificado",
        "multifuente",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/exchange-rates-verified",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "fed-watch",
      "name": "Fed Watch",
      "description": "SYNTHORA fed-watch: US reference-rate funding pulse \u2014 SOFR/EFFR/TGCR/BGCR/OBFR with volumes, percentile dispersion and the SOFR-EFFR spread (the funding-stress signal before it hits the news). Cross-check of 5 independent official NY Fed series. The input for Fed/CPI prediction markets. Free official source, no key. $0.03 USDC x402 Base.",
      "tags": [
        "fed",
        "sofr",
        "effr",
        "macro",
        "rates",
        "polymarket",
        "verified",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/fed-watch",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "gas-oracle-multi",
      "name": "Gas Oracle Multi",
      "description": "SYNTHORA gas-oracle-multi: gas price across 5 chains (ethereum, base, arbitrum, optimism, polygon), each VERIFIED by two independent public RPCs with divergence report \u2014 a single RPC can lie or lag; dual-verified is what you time transactions with. Free public RPCs, no key. $0.03 USDC x402 Base.",
      "tags": [
        "gas",
        "oracle",
        "multichain",
        "ethereum",
        "base",
        "verified",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/gas-oracle-multi",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "gdelt-tension",
      "name": "Gdelt Tension",
      "description": "SYNTHORA gdelt-tension: geopolitical tension index for any topic/country \u2014 news-mention spike vs 7d baseline, average tone shift, escalation flag and the headlines causing it. The early signal for Polymarket geopolitical markets (high variance, high spread). Source: GDELT DOC 2.0 (100+ languages, free, no key), 6h-prefetched cache for reliability.",
      "tags": [
        "geopolitics",
        "gdelt",
        "news",
        "tension",
        "polymarket",
        "osint",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/gdelt-tension",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "github-repo-activity",
      "name": "Github Repo Activity",
      "description": "SYNTHORA github-repo-activity: Activity metrics for any public GitHub repo (input owner/repo): stars, forks, open issues, last push, language, archived flag. 10-min in-process cache, stale-on-rate-limit or ok:false. Source: api.github.com, keyless.",
      "tags": [
        "github",
        "repo",
        "activity",
        "dev"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/github-repo-activity",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "historical-weather",
      "name": "Historical Weather",
      "description": "SYNTHORA historical-weather: verified historical weather for any place and date (1940 \u2192 ~5 days ago) from the ERA5 reanalysis \u2014 tmax/tmin, precipitation, max wind. For climate-market backtesting and claim verification. Source: open-meteo archive, free, no key. $0.03 USDC x402 Base.",
      "tags": [
        "weather",
        "history",
        "era5",
        "climate",
        "verified",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/historical-weather",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "npm-downloads-range",
      "name": "Npm Downloads Range",
      "description": "Returns a per-day download time series for an npm package over a period from keyless api.npmjs.org \u2014 the raw signal for trend and growth-rate detection. Lets autonomous agents compute momentum/decline and feed agent-to-agent dependency-selection scoring. Ranking surface for trajectory. First 3 calls FREE per wallet \u2014 send header X-WALLET: 0x<addr>. No charge on upstream failure.",
      "tags": [
        "intelligence",
        "x402",
        "base"
      ],
      "x402": {
        "endpoint": "https://npm-downloads-range.hergertsynthora.com/service",
        "price_usdc": 0.001,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "payto-preflight",
      "name": "Payto Preflight",
      "description": "x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic, <200ms, no external network. 0.001 USDC via x402 on Base. SYNTHORA.",
      "tags": [
        "x402",
        "base"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/payto-preflight",
        "price_usdc": 0.01,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "polymarket-markets",
      "name": "Polymarket Markets",
      "description": "Search prediction markets ACROSS PLATFORMS (Polymarket + Kalshi) in one call: live prices, implied probability, volume, liquidity, end date and market conviction. Server-side search that actually finds the market (bitcoin, fed, election, geopolitics). For trading and forecasting agents tracking event odds. $0.05 USDC x402 Base. Input: {\"input\": \"bitcoin\"} (optional filter). Ed25519-signed.",
      "tags": [
        "prediction-markets",
        "odds",
        "crypto",
        "x402",
        "signed-verdict",
        "usdc"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/polymarket-markets",
        "price_usdc": 0.05,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "polymarket-trades",
      "name": "Polymarket Trades",
      "description": "Historical Polymarket trade query with filters plus per-wallet aggregation. $0.03 USDC x402 Base.",
      "tags": [
        "prediction-markets",
        "polymarket",
        "trades",
        "smart-money",
        "wallet-tracking",
        "flow",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/polymarket-trades",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "port-watch",
      "name": "Port Watch",
      "description": "SYNTHORA port-watch: daily port activity for any of 2,065 ports (Shanghai, Singapore, Rotterdam, LA, Long Beach presets + any name) \u2014 port calls, estimated import/export capacity (dwt), 7d moving average vs 30d baseline deviation and anomaly flag. Port volume leads official macro data by weeks: the input for trade/tariff/recession markets. Source: IMF PortWatch (satellite AIS, free, no key). $0.03 USDC x402 Base.",
      "tags": [
        "shipping",
        "ports",
        "portwatch",
        "trade",
        "macro",
        "polymarket",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/port-watch",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "registry-watch",
      "name": "Registry Watch",
      "description": "Monitor registry changes in real-time with x402 M2M API. Signed x402 call. 0.03 USDC on Base.",
      "tags": [
        "x402",
        "base",
        "feed"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/registry-watch",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "space-weather-risk",
      "name": "Space Weather Risk",
      "description": "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 flux) \u2014 for defense, aviation, satellites, power grid, precision GPS. $0.03 USDC x402 Base.",
      "tags": [
        "science",
        "intel",
        "multifuente",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/space-weather-risk",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "stablecoin-supply",
      "name": "Stablecoin Supply",
      "description": "SYNTHORA stablecoin-supply: circulating USD supply, price and peg deviation in basis points for the top stablecoins (USDT, USDC, DAI...), with a depeg alert flag above 50 bps. Optional symbol filter. Free source: stablecoins.llama.fi (DefiLlama), no API key, timestamped.",
      "tags": [
        "defi",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/stablecoin-supply",
        "price_usdc": 0.01,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "top-crypto",
      "name": "Top Crypto",
      "description": "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 API, keyless, timestamped.",
      "tags": [
        "crypto",
        "market-cap",
        "coingecko",
        "realtime"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/top-crypto",
        "price_usdc": 0.01,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "usgs-earthquakes",
      "name": "Usgs Earthquakes",
      "description": "SYNTHORA usgs-earthquakes: latest earthquakes (M>=4.5 default, tunable) with PAGER alert level, tsunami flag and ACTIVE SEISMIC CLUSTER detection (>=3 events same zone in 24h) \u2014 the actionable signal for insurance-risk and disaster prediction markets. Source: USGS FDSN (official US, real-time, no key). $0.03 USDC x402 Base.",
      "tags": [
        "science",
        "verificado",
        "multifuente",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/usgs-earthquakes",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "volume-anomaly",
      "name": "Volume Anomaly",
      "description": "SYNTHORA volume-anomaly: crypto volume-anomaly alerts for arbitrage bots \u2014 assets whose 24h turnover (volume/mcap) is anomalously high vs their cohort (z-score), early pump/unusual-activity signal. Composite of CoinGecko markets + DeFiLlama DEX volume. Keyless. $0.03 USDC x402 Base.",
      "tags": [
        "crypto",
        "intel",
        "multifuente",
        "x402",
        "synthora"
      ],
      "x402": {
        "endpoint": "https://api.hergertsynthora.com/v1/volume-anomaly",
        "price_usdc": 0.03,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    },
    {
      "id": "who-gho-indicator-timeseries",
      "name": "Who Gho Indicator Timeseries",
      "description": "Returns WHO Global Health Observatory OData time series (ghoapi.azureedge.net/api) for an indicator such as life expectancy (WHOSIS_000001): country, year, sex dimension and numeric value. Autonomous agents and agent-to-agent (A2A) global-health analytics, ESG and country-benchmarking pipelines query it for authoritative WHO statistics. Ranking surface: indicator + country to yearly values. First 3 calls FREE per wallet \u2014 send header X-WALLET: 0x<addr>. No charge on upstream failure.",
      "tags": [
        "intelligence",
        "x402",
        "base"
      ],
      "x402": {
        "endpoint": "https://who-gho-indicator-timeseries.hergertsynthora.com/service",
        "price_usdc": 0.001,
        "network": "eip155:8453",
        "asset": "USDC",
        "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167"
      }
    }
  ],
  "x402": {
    "protocol": "x402",
    "network": "eip155:8453",
    "asset": "USDC",
    "assetAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "payTo": "0x6D9F318463168fF637b50E5b9a21392e97c7c167",
    "facilitator": "coinbase-cdp",
    "gateway": "https://api.hergertsynthora.com/v1/{skill-id}",
    "manifest": "https://api.hergertsynthora.com/.well-known/x402.json"
  },
  "mcp": {
    "endpoint": "https://mcp.hergertsynthora.com/mcp",
    "transport": "streamable-http",
    "serverCard": "https://mcp.hergertsynthora.com/.well-known/mcp/server-card.json"
  },
  "registrations": [
    "eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432/84581"
  ],
  "date_updated": "2026-10-13T03:47:02Z",
  "metadata": {
    "source_url": "https://api.hergertsynthora.com/.well-known/agent-card.json",
    "source_sha256": "916478097af8fa90781d7ee3f1cfd2639fcdfb7f37defdbe0b0927ad6cb50170",
    "catalog_url": "https://catalog.hergertsynthora.com/catalog.json",
    "catalog_sha256": "b9b397c224ad09b3848240afcad12f3fca155ba63bd57b73f670715074899165",
    "snapshot_date": "2026-10-13T03:47:02Z",
    "scope": "Published discovery snapshot. Inclusion in the catalog is not a certification of paid delivery or data quality.",
    "card_signature": {
      "jwks": "https://hergertsynthora.com/.well-known/jwks.json",
      "canonicalization": "json-sortkeys-compact-utf8",
      "payload": "card excluding signatures"
    },
    "result_signature": {
      "public_key": "https://api.hergertsynthora.com/pubkey",
      "kid": "did:web:pay.hergertsynthora.com#key-1",
      "scope": "result"
    }
  },
  "signatures": [
    {
      "protected": "eyJhbGciOiJFZERTQSIsImtpZCI6InN5bnRob3JhLW1lc2gtYXR0ZXN0IiwidHlwIjoiSldTIn0",
      "signature": "Uz7gvIucIJwLM9bwHdQ-Cam8a7osmhIcNybPGzX9COh8_KFhnseWICCsJ81PASp68jMgwusFX6kkdpW09VZBAA"
    }
  ]
}