Individual arena strategy signal

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x7677A0EC93C75B540dADa06E9F1952C950EE2DBB",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {},
        "schema": {
          "properties": {
            "strategy_id": {
              "default": "vwap_reversion",
              "description": "Strategy identifier (path parameter)",
              "enum": [
                "ema_5_breakout",
                "rsi_7_extremes",
                "rsi_reversion_swing",
                "vwap_reversion"
              ],
              "type": "string"
            },
            "symbol": {
              "default": "BTC",
              "description": "Crypto asset ticker (path parameter)",
              "enum": [
                "BTC",
                "ETH",
                "SOL",
                "DOGE"
              ],
              "type": "string"
            }
          },
          "required": [
            "strategy_id",
            "symbol"
          ],
          "type": "object"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "hold_time_sec": 300,
          "reasoning": "Bollinger band squeeze with volume expansion",
          "score": 0.82,
          "signal": "long",
          "sl_pct": 0.008,
          "strategy_id": "vwap_reversion",
          "strategy_name": "VWAP Reversion",
          "symbol": "BTC",
          "tp_pct": 0.015
        },
        "type": "json"
      }
    },
    "schema": {
      "output": {
        "properties": {
          "hold_time_sec": {
            "description": "Suggested hold time in seconds",
            "type": "integer"
          },
          "reason": {
            "description": "Present when signal is null (e.g. no_signal, no_context)",
            "type": "string"
          },
          "reasoning": {
            "type": "string"
          },
          "score": {
            "maximum": 1,
            "minimum": 0,
            "type": "number"
          },
          "signal": {
            "enum": [
              "long",
              "short"
            ],
            "nullable": true,
            "type": "string"
          },
          "sl_pct": {
            "description": "Stop-loss percentage",
            "type": "number"
          },
          "strategy_id": {
            "type": "string"
          },
          "strategy_name": {
            "type": "string"
          },
          "symbol": {
            "type": "string"
          },
          "tp_pct": {
            "description": "Take-profit percentage",
            "type": "number"
          }
        },
        "required": [
          "strategy_id",
          "symbol"
        ]
      }
    }
  }
}

curl "https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_reversion_swing/BTC"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_reversion_swing/BTC");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://signal-engine-production-d88d.up.railway.app/v1/arena/rsi_reversion_swing/BTC")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header