APEX Runner: Apex Pulse Signal

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x8D0663BBb967ebF1c047405A888DDf865f3E8854",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "7000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "category": "trading-signals",
    "description": "Ultra-cheap $0.01 heartbeat for AI agents running health checks every few hours. Returns current APEX system status, BTC market regime, Fear & Greed value, and total active trading pairs across all 3 exchanges in one fast call.",
    "example": {
      "active_pairs": 11,
      "apex_trading": true,
      "fg": 42,
      "fg_label": "Fear",
      "market": "OPEN",
      "regime": "RANGING",
      "status": "LIVE",
      "timestamp": "2026-06-17T22:00:00Z",
      "valid_for_seconds": 60
    },
    "info": {
      "input": {
        "method": "GET",
        "type": "http"
      },
      "output": {
        "active_pairs": "integer — total distinct trading pairs with open positions across all 3 exchanges",
        "apex_trading": "boolean — true if APEX grid bots have active positions",
        "example": {
          "active_pairs": 11,
          "apex_trading": true,
          "fg": 42,
          "fg_label": "Fear",
          "market": "OPEN",
          "regime": "RANGING",
          "status": "LIVE",
          "valid_for_seconds": 60
        },
        "fg": "integer — Fear & Greed index value 0-100",
        "fg_label": "string — Fear & Greed classification label",
        "market": "string — always OPEN (crypto trades 24/7)",
        "regime": "string — current BTC market regime: RANGING, TRENDING, CRISIS, or CHOPPY",
        "status": "string — LIVE / DEGRADED / DOWN",
        "type": "json"
      }
    },
    "name": "APEX Pulse Heartbeat",
    "outputSchema": {
      "active_pairs": "integer",
      "apex_trading": "boolean",
      "fg": "integer",
      "fg_label": "string",
      "regime": "string",
      "status": "string LIVE/DEGRADED/DOWN"
    },
    "schema": {
      "properties": {
        "input": {
          "properties": {
            "queryParams": {
              "properties": {},
              "type": "object"
            }
          },
          "required": [
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "_apex": {
                  "properties": {
                    "evolution_runs": {
                      "type": "integer"
                    },
                    "instance": {
                      "type": "string"
                    },
                    "live_capital_deployed": {
                      "type": "boolean"
                    },
                    "live_trading": {
                      "type": "boolean"
                    },
                    "signal": {
                      "type": "string"
                    },
                    "signal_hash": {
                      "type": "string"
                    },
                    "source": {
                      "type": "string"
                    },
                    "trades_backing_signal": {
                      "type": "integer"
                    },
                    "verify_at": {
                      "type": "string"
                    },
                    "version": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "active_pairs": {
                  "type": "integer"
                },
                "apex_trading": {
                  "type": "boolean"
                },
                "btc_price": {
                  "type": "number"
                },
                "fg": {
                  "type": "integer"
                },
                "fg_label": {
                  "type": "string"
                },
                "regime": {
                  "type": "string"
                },
                "status": {
                  "type": "string"
                },
                "timestamp": {
                  "type": "string"
                },
                "valid_for_seconds": {
                  "type": "integer"
                }
              },
              "type": "object"
            }
          },
          "type": "object"
        }
      },
      "type": "object"
    },
    "version": "1.0.0"
  }
}

curl "https://apexrunner.ai/signals/apex-pulse"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://apexrunner.ai/signals/apex-pulse");
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://apexrunner.ai/signals/apex-pulse")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header