market-dominance.hergertsynthora.com

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "menu": {
    "sla": "https://api.hergertsynthora.com/sla",
    "menu": "https://api.hergertsynthora.com/llms.txt",
    "note": "SYNTHORA: 120+ machine-payable data and risk services. Pay per call in USDC on Base via x402. Signed Ed25519 receipts.",
    "terms": "https://hergertsynthora.com/terms",
    "catalog": "https://catalog.hergertsynthora.com/catalog.json",
    "openapi": "https://api.hergertsynthora.com/openapi.json"
  },
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xEf879BFD6C4AccB8F795136de90246e1EC245e06",
      "amount": "50000",
      "scheme": "exact",
      "network": "eip155:8453",
      "mimeType": "application/json",
      "resource": "https://api.hergertsynthora.com/v1/market-dominance",
      "description": "SYNTHORA market-dominance: BTC and ETH market dominance contrasted between TWO independent providers (CoinGecko and Coinlore), reporting the discrepancy in percentage points and a confidence grade — you get not just the number but whether the number can be trusted. Deterministic, Ed25519-signed. $0.05 USDC on Base.",
      "maxAmountRequired": "50000",
      "maxTimeoutSeconds": 300
    }
  ],
  "freeTier": {
    "note": "send header X-WALLET: 0x<your Base address> for a free trial",
    "header": "X-WALLET",
    "callsPerWallet": 1
  },
  "resource": {
    "url": "https://api.hergertsynthora.com/v1/market-dominance",
    "tags": [
      "defi",
      "onchain",
      "analytics",
      "markets",
      "x402",
      "signed-verdict"
    ],
    "iconUrl": "https://api.hergertsynthora.com/icon.svg",
    "mimeType": "application/json",
    "description": "SYNTHORA market-dominance: BTC and ETH market dominance contrasted between TWO independent providers (CoinGecko and Coinlore), reporting the discrepancy in percentage points and a confidence grade — you get not just the number but whether the number can be trusted. Deterministic, Ed25519-signed. $0.05 USDC on Base.",
    "serviceName": "SYNTHORA"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "input": "latest"
          },
          "type": "http",
          "method": "POST",
          "bodyType": "json"
        },
        "output": {
          "type": "json",
          "example": {
            "ok": true,
            "niche": "market_dominance",
            "result": {
              "senal": "DISCREPANCIA de 2.0474 pp entre los dos observadores sobre la dominancia de BTC: difieren en que universo de monedas cuentan; usa el dato con reserva",
              "activo": "BTC",
              "mercado": {
                "cambio_mcap_24h_pct": 0.7526734248279898,
                "vol_24h_usd__observador_1": 56761379043.38263,
                "mcap_total_usd__observador_1": 2295392767065.4966,
                "mcap_total_usd__observador_2": 2204884145726.574
              },
              "as_of_utc": "2026-08-05T18:32:32Z",
              "confianza": "media",
              "latencia_s": 0.34,
              "degradacion": {
                "de": 2,
                "fallos": [],
                "fuentes_vivas": 2
              },
              "observadores": {
                "n": 2,
                "clase": "proveedores independientes de datos de mercado",
                "independencia": "distinto universo de monedas contadas"
              },
              "dominancia_pct": {
                "observador_1": 56.5425644813439,
                "observador_2": 58.59
              },
              "discrepancia_pp": 2.0474,
              "dominancia_completa__observador_1": {
                "bnb": 3.4844691054792953,
                "btc": 56.5425644813439,
                "eth": 10.09653383187638,
                "sol": 1.8882736582960438,
                "trx": 1.3550254187552544,
                "xrp": 2.916078335417036,
                "usdc": 3.131389199794474,
                "usdt": 7.973493292224553,
                "steth": 0.789703952729928,
                "figr_heloc": 0.944722954428762
              }
            }
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "properties": {
              "body": {
                "type": "object",
                "properties": {
                  "input": {
                    "type": "string",
                    "description": "SYNTHORA market-dominance: BTC and ETH market dominance contrasted between TWO independent providers (CoinGecko and Coinlore), reporting the discrepancy in percentage points and a confidence grade — y"
                  }
                }
              },
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "type": "string"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "ok": {
                  "type": "boolean"
                },
                "type": "object",
                "niche": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    },
    "delivery": {
      "note": "unlike the signature -- which you verify BEFORE paying -- this one is checked afterwards, on-chain, from your own wallet",
      "order": "compute -> failure gate -> verify -> settle -> deliver",
      "scope": "this covers service FAILURE, not verdict quality",
      "policy": "no-charge-on-service-failure",
      "verify": "after a request of yours FAILS, check your own wallet on Base: no USDC settlement to our payTo will exist for it. If we had charged you, the transfer would be public and permanent",
      "behaviour": "if the service FAILS (invalid input, timeout, stale cache, withdrawn product, malformed output) you receive 402 and are NOT charged"
    },
    "signature": {
      "alg": "ed25519",
      "canon": "json:sort_keys+separators(,:)+ensure_ascii+utf8",
      "verify": "recompute canon from envelope.result, then VerifyKey(bytes.fromhex(pubkey)).verify(canon, bytes.fromhex(sig)) -- no name to trust, verify the signature yourself",
      "jwksUrl": "https://api.hergertsynthora.com/.well-known/jwks.json",
      "envelope": "{result, attestation:{alg,pubkey,sig,canon}}",
      "sigEncoding": "hex(64B raw)",
      "publicKeyUrl": "https://api.hergertsynthora.com/pubkey"
    }
  },
  "x402Version": 2
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x10800a5a5B9d72251566EC651E862A8b4B427dE0",
    "amount": "1000",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://market-dominance.hergertsynthora.com/service",
    "description": "Real-time global crypto stats: total market cap, 24h volume, BTC/ETH dominance, active coins. Macro context for portfolio agents. Free source. $0.005 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.",
    "maxAmountRequired": "1000",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-09-24 17:56Z

Last indexed by Roundhouse

2026-09-25 05:15Z

Last enriched (probe, favicon, geo)

2026-09-16 14:15Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402