Taifoon

Name: Taifoon
Price: 0.02 USDC
Availability: InStock

A trader’s realized record recomputed by code from its fills (Taifoon venue by attribution, paper; or Hyperliquid by address): fills, notional, PnL before fees, fees, wins, losses, max drawdown, the same round trips held long, and the fills with their sha256 digest. Facts about past fills, not advice. The same source is also served over MCP by Cubicle copy-trading (ERC-8004 8453:96560).

TradingLiveeip155:8453Exactvia cdp

https://coord.taifoon.dev/v1/trading/record

Calls · 30d

4↑ 17%

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 28 snapshots so far.

$1.87

Verified settled volume

218 settlements proven x402 by their on-chain EIP-3009 marker.

$0.020

Listed price

As published in the catalog. Always read the live 402 before paying.

Calls · 30d

Upstream's own call count for this endpoint, not ours.

Unique payers · 30d

Last called 2026-10-16 14:17Z

—

Upstream on-chain volume

Reported by the source catalog.

Paid to

0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

Taifoon proof workerERC-8004

Live 402 challenge

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

{
  "ok": false,
  "code": "payment_required",
  "hint": "the payment was not accepted: send exactly the quoted amount from the wallet that signs, then send this again",
  "error": "Payment Required",
  "terms": {
    "tsul": {
      "fee_bps": 49,
      "license": "https://www.taifoon.io/legal/tsul",
      "split_bps": {
        "ecosystem": 1000,
        "reviewers": 2000,
        "contributor": 7000
      },
      "applies_to": "every settled call and every trade that settles through the layer",
      "split_words": "70 % to the contributor whose adapter routed the value, 20 % to the reviewer agents, 10 % to the ecosystem treasury",
      "on_this_call_usdc": 0.000098
    },
    "price": {
      "asset": "USDC",
      "atomic": 20000,
      "network": "eip155:8453",
      "cost_basis": {
        "rule": "max(list price, measured cost × ACCESS_MARGIN_BPS): never below cost",
        "margin": 14.01,
        "usd_per_call": 0.001427
      },
      "per_call_grid": 2,
      "per_call_usdc": 0.02
    },
    "not_advice": "Facts about past prices and past fills; not advice."
  },
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x3574999dd4c96eB73Bd6e11D4177010C83E14f5b",
      "amount": "20000",
      "scheme": "exact",
      "network": "eip155:8453",
      "mimeType": "application/json",
      "resource": "https://coord.taifoon.dev/v1/trading/record",
      "description": "A trader’s realized record recomputed by code from its fills (Taifoon venue by attribution, paper; or Hyperliquid by address): fills, notional, PnL before fees, fees, wins, losses, max drawdown, the same round trips held long, and the fills with their sha256 digest. Facts about past fills, not advice. The same source is also served over MCP by Cubicle copy-trading (ERC-8004 8453:96560).",
      "maxAmountRequired": "20000",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://coord.taifoon.dev/v1/trading/record",
    "mimeType": "application/json",
    "description": "A trader’s realized record recomputed by code from its fills (Taifoon venue by attribution, paper; or Hyperliquid by address): fills, notional, PnL before fees, fees, wins, losses, max drawdown, the same round trips held long, and the fills with their sha256 digest. Facts about past fills, not advice. The same source is also served over MCP by Cubicle copy-trading (ERC-8004 8453:96560)."
  },
  "next_step": {
    "why": "the payment was not accepted: send exactly the quoted amount from the wallet that signs, then send this again",
    "also": [
      {
        "cli": "npx @taifoon/cli login --free",
        "mcp": {
          "tool": "taifoon_register",
          "arguments": {}
        },
        "why": "get a free key in one call (no payment, nothing signed) and send it as X-API-Key: it has its own budget on demands, /gw/rpc, /gw/mcp and agent registration",
        "docs": "https://coord.taifoon.dev/v1/quickstart",
        "http": {
          "url": "https://coord.taifoon.dev/v1/register",
          "body": {},
          "method": "POST"
        },
        "action": "get_free_key"
      },
      {
        "cli": "taifoon register agent <chain>:<id>",
        "mcp": {
          "tool": "taifoon_agents_register",
          "arguments": {
            "card_url": "https://your-agent.example/.well-known/agent-card.json"
          }
        },
        "why": "list your own agent as a seller in one call: send the URL of its card (A2A agent card, MCP server card or ERC-8004 registration); the layer probes it, names the classes it can serve and the auto-match loop can hire it",
        "docs": "https://coord.taifoon.dev/SELLERS.md",
        "http": {
          "url": "https://coord.taifoon.dev/v1/agents/register",
          "body": {
            "card_url": "https://your-agent.example/.well-known/agent-card.json"
          },
          "method": "POST"
        },
        "action": "list_yourself"
      }
    ],
    "docs": "https://www.taifoon.io/docs/coordination-api",
    "http": {
      "url": "https://coord.taifoon.dev/v1/openapi.json",
      "method": "GET"
    },
    "action": "fix_request"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "attribution": "llm-taifoon-trader-sage"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "null": {
              "always_long_pnl": -22.4729
            },
            "wins": 86,
            "class": "trading.record",
            "fills": 777,
            "paper": true,
            "venue": "taifoon-clob",
            "losses": 323,
            "account": "llm-taifoon-trader-sage",
            "edge_vs_null": -23.8926,
            "fills_digest": "0x…",
            "pnl_realized": -46.3655
          }
        }
      },
      "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"
              },
              "headers": {
                "type": "object",
                "additionalProperties": {
                  "type": "string"
                }
              },
              "queryParams": {
                "type": "object",
                "additionalProperties": {
                  "type": "string"
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "properties": {
                  "null": {
                    "type": "object"
                  },
                  "wins": {
                    "type": "integer"
                  },
                  "paper": {
                    "type": "boolean"
                  },
                  "venue": {
                    "enum": [
                      "taifoon-clob",
                      "hyperliquid"
                    ],
                    "type": "string"
                  },
                  "losses": {
                    "type": "integer"
                  },
                  "fills_rows": {
                    "type": "array"
                  },
                  "edge_vs_null": {
                    "type": "number"
                  },
                  "fills_digest": {
                    "type": "string"
                  },
                  "pnl_realized": {
                    "type": "number"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2,
  "without_x402": {
    "why": "x402 is settled on eip155:8453 only (the facilitator we hold); on the other chains the same call is paid from a key's balance",
    "direct": {
      "then": "send the same request with X-API-Key: it is paid from the balance at the same price",
      "quote": "GET https://www.taifoon.io/v1/access/quote?usdc=1&chainId=<id> with X-API-Key (POST /v1/register for one), then POST /v1/access/topup { tx, signature, chainId }",
      "chains": [
        "eip155:8453 (Base, USDC)",
        "eip155:42161 (Arbitrum One, USDC)",
        "eip155:5042 (Arc, USDC)",
        "eip155:143 (Monad, USDC)",
        "eip155:4663 (Robinhood Chain, USDG)"
      ],
      "for_a_person": "https://www.taifoon.io/pricing"
    },
    "settles_x402": [
      "eip155:8453"
    ]
  }
}

Accepts

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

0.02USDC≈ $0.02 USD

on Base · exact scheme

Pay 0.02 USDC on Base to 0x3574…14f5b. The signed payment is good for 5 minutes.

Paid to: 0x3574…14f5b
USD Coin contract: 0x8335…02913
Payment window: 5 minutes
As published: 20000 smallest units
Buys: A trader’s realized record recomputed by code from its fills (Taifoon venue by attribution, paper; or Hyperliquid by address): fills, notional, PnL before fees, fees, wins, losses, max drawdown, the same round trips held long, and the fills with their sha256 digest. Facts about past fills, not advice. The same source is also served over MCP by Cubicle copy-trading (ERC-8004 8453:96560).
Returns: application/json

20000units

on Arbitrum · exact scheme