Fork a signal into an inactive parameter variant — production firing is untouched

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x0cD2c9724F185a029101b4AEACf3F114415c394f",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "params": {},
          "signal_id": ""
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "created_at": "2026-06-19T04:12:38.421Z",
          "is_active": false,
          "ok": true,
          "params": {
            "dt_max": -0.08,
            "t_thr": 0.55
          },
          "signal_id": "TR_MOMO_CONT_14D",
          "version": 188
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "params": {
                  "description": "Non-empty JSONB parameter object stored as the new inactive version. Keys are not validated against the signal's param schema — agent must supply the correct keys (e.g., t_thr, dt_max, vol_thr) for the target signal's geometry.",
                  "type": "object"
                },
                "signal_id": {
                  "description": "Registered signal_id in signals.signal_registry. Uppercased before lookup (e.g., TR_MOMO_CONT_14D, VOL_COMPRESSION_7v30, FUT_FUNDING_STRESS).",
                  "type": "string"
                }
              },
              "required": [
                "signal_id",
                "params"
              ]
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
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              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
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  }
}

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

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