SignalPulse

Live 402 challenge

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

{
  "error": "X-PAYMENT header is required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://signalpulse.theaslangroupllc.com/api/scan/predmarket",
      "description": "Calibrated superforecaster read of prediction markets across Polymarket, Manifold and PredictIt: cross-venue divergence, order-book/whale flow, base-rate priors, and for sports the de-vigged sportsbook consensus plus proprietary team-strength and weather engines. Full analysis, probabilities, edge and commentary on every mispriced market — props included.",
      "maxAmountRequired": "2000000",
      "maxTimeoutSeconds": 300
    }
  ],
  "x402Version": 1
}

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": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
    "amount": "2000000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
    },
    "payTo": "985iFjbnGQ3dJcwXnfRCMSrH4Jnc3kW1N6msR64B5KX1",
    "amount": "2000000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "horizon": "mid",
          "category": "crypto | economics | geopolitics | politics | sports | esports | ai-tech (required)"
        }
      },
      "output": {
        "type": "json",
        "example": {
          "tier": "agent_analysis",
          "category": "sports",
          "scan_summary": "Futures books are sharp; one Polymarket longshot is trading rich vs the de-vigged consensus.",
          "no_edge_markets": [
            {
              "question": "Will Team Y make the playoffs?",
              "market_yes_pct": 61,
              "reason_no_edge": "Within 10 points of the de-vigged book consensus; efficiently priced.",
              "our_yes_estimate_pct": 58
            }
          ],
          "value_opportunities": [
            {
              "edge_pct": 7,
              "question": "Will Team X win the title?",
              "direction": "NO",
              "rationale": "De-vigged sportsbook consensus implies ~15%; favourite–longshot bias is inflating the Polymarket price; our xG/Elo engine agrees the side is overvalued...",
              "confidence": "medium",
              "volume_usd": 480000,
              "days_to_close": 21,
              "market_yes_pct": 22,
              "risk_to_thesis": "A key injury could reprice both books.",
              "key_data_points": [
                "de-vigged book 15%",
                "Polymarket 22%",
                "$480k volume"
              ],
              "our_yes_estimate_pct": 15
            }
          ],
          "intelligence_nodes_active": [
            "Cross-venue divergence",
            "Sportsbook de-vigged consensus",
            "Proprietary team-strength engine"
          ]
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "properties": {
                "horizon": {
                  "type": "string",
                  "description": "short | mid | long (default: mid)"
                },
                "category": {
                  "type": "string"
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  },
  "builder-code": {
    "info": {
      "a": "bc_gxy6qn5p"
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "a": {
          "type": "string",
          "pattern": "^[a-z0-9_]{1,32}$",
          "description": "App builder code"
        },
        "s": {
          "type": "array",
          "items": {
            "type": "string",
            "pattern": "^[a-z0-9_]{1,32}$"
          },
          "description": "Service builder codes"
        },
        "w": {
          "type": "string",
          "pattern": "^[a-z0-9_]{1,32}$",
          "description": "Wallet builder code"
        }
      },
      "additionalProperties": false
    }
  }
}

Provenance

Seen in the source catalog

2026-08-20 14:03Z

Last indexed by Roundhouse

2026-09-19 13:40Z

Last enriched (probe, favicon, geo)

2026-09-14 06:45Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402