Index onlineMerchant portal
Api Endpoint

nsgoods Crypto Signals (Kraken)

Walk-forward replay of the live multi-timeframe strategy over recent 1m history: win-rate and average forward return per BUY/SELL signal. Lets an agent measure recent edge before subscribing to the live signal stream (USDC on Base). Free preview: GET /signals/preview Bad input returns 400; data or engine issues return 503; you are never charged for an error.

Open interactive test console

Offering

Provider
signals.nsgoods.org
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://signals.nsgoods.org/backtest
MIME type
application/json
First seen
2026-10-16T01:51:10.599Z
Last seen
Tags
Crypto, backtest, strategy

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.25 USDC
Atomic price: 250000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "250000",
    "payTo": "0xc87a06DEE4c0E85912296002617120BBfd5EF990"
  }
]

Observed health

Status
Healthy
Latest latency
15 ms
Average latency
105 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "pair": {
          "type": "string",
          "default": "BTC/USD",
          "description": "Kraken */USD pair, e.g. BTC/USD, ETH/USD."
        },
        "forward": {
          "type": "integer",
          "minimum": 5,
          "maximum": 120,
          "default": 30,
          "description": "Forward window in 1m bars to score each signal against (5-120)."
        },
        "step": {
          "type": "integer",
          "minimum": 1,
          "maximum": 15,
          "default": 5,
          "description": "Walk-forward step in 1m bars (1-15). Smaller = denser sample but slower."
        }
      },
      "required": []
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "forward": {
              "default": 30,
              "description": "Forward window in 1m bars to score each signal against (5-120).",
              "maximum": 120,
              "minimum": 5,
              "type": "integer"
            },
            "pair": {
              "default": "BTC/USD",
              "description": "Kraken */USD pair, e.g. BTC/USD, ETH/USD.",
              "type": "string"
            },
            "step": {
              "default": 5,
              "description": "Walk-forward step in 1m bars (1-15). Smaller = denser sample but slower.",
              "maximum": 15,
              "minimum": 1,
              "type": "integer"
            }
          },
          "required": [],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "avg_return_pct": {
              "type": [
                "number",
                "null"
              ]
            },
            "best_pct": {
              "type": [
                "number",
                "null"
              ]
            },
            "forward_minutes": {
              "type": "integer"
            },
            "generated_at": {
              "format": "date-time",
              "type": "string"
            },
            "pair": {
              "type": "string"
            },
            "sample": {
              "items": {
                "type": "object"
              },
              "type": "array"
            },
            "signals_evaluated": {
              "type": "integer"
            },
            "step_minutes": {
              "type": "integer"
            },
            "win_rate_pct": {
              "type": [
                "number",
                "null"
              ]
            },
            "window_hours": {
              "type": "number"
            },
            "worst_pct": {
              "type": [
                "number",
                "null"
              ]
            }
          },
          "required": [
            "pair",
            "signals_evaluated",
            "generated_at"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}