{
  "x402Version": 2,
  "id": 902,
  "slug": "902",
  "resource": "https://api.hergertsynthora.com/v1/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.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xEf879BFD6C4AccB8F795136de90246e1EC245e06",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "50000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "input": "bitcoin"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "niche": "polymarket_markets",
            "ok": true,
            "result": {
              "as_of_utc": "2026-08-05T16:31:36Z",
              "filtro": "bitcoin",
              "fuente": "<omitido en el ejemplo publico>",
              "latencia_s": 0.19,
              "markets": [],
              "mercados_minados__observador_1": 0,
              "n_mercados": 0,
              "nota": "ningun mercado activo coincide con ese filtro; no se devuelven otros para no dar por bueno lo que no se pidio",
              "sin_coincidencias": true
            }
          },
          "schema": {
            "properties": {
              "error": {
                "type": "string"
              },
              "niche": {
                "type": "string"
              },
              "ok": {
                "type": "boolean"
              },
              "receipt": {
                "type": "object"
              },
              "result": {
                "properties": {
                  "as_of_utc": {
                    "type": "string"
                  },
                  "filtro": {
                    "type": "string"
                  },
                  "fuente": {
                    "type": "string"
                  },
                  "latencia_s": {
                    "type": "number"
                  },
                  "markets": {
                    "type": "array"
                  },
                  "mercados_examinados": {
                    "type": "number"
                  },
                  "n_mercados": {
                    "type": "number"
                  },
                  "nota": {
                    "type": "string"
                  },
                  "plataformas": {
                    "type": "array"
                  },
                  "sin_coincidencias": {
                    "type": "boolean"
                  }
                },
                "type": "object"
              }
            },
            "required": [
              "ok",
              "niche"
            ],
            "type": "object"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "input": {
                    "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 find",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "niche": {
                  "type": "string"
                },
                "ok": {
                  "type": "boolean"
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "delivery": {
      "behaviour": "if the service FAILS (invalid input, timeout, stale cache, withdrawn product, malformed output) you receive 402 and are NOT charged",
      "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",
      "policy": "no-charge-on-service-failure",
      "scope": "this covers service FAILURE, not verdict quality",
      "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"
    },
    "signature": {
      "alg": "ed25519",
      "canon": "json:sort_keys+separators(,:)+ensure_ascii+utf8",
      "envelope": "{result, attestation:{alg,pubkey,sig,canon}}",
      "jwksUrl": "https://api.hergertsynthora.com/.well-known/jwks.json",
      "publicKeyUrl": "https://api.hergertsynthora.com/pubkey",
      "sigEncoding": "hex(64B raw)",
      "verify": "recompute canon from envelope.result, then VerifyKey(bytes.fromhex(pubkey)).verify(canon, bytes.fromhex(sig)) -- no name to trust, verify the signature yourself"
    }
  },
  "tags": [
    "bazaar",
    "delivery",
    "signature"
  ],
  "sourceHost": "api.hergertsynthora.com",
  "lastUpdated": "2026-09-10T07:02:28.334Z",
  "quality": {
    "calls30d": 7,
    "uniquePayers30d": 6,
    "lastCalledAt": "2026-09-10T07:02:27.838Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.hergertsynthora.com",
    "manifest_name": "api.hergertsynthora.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}