FETCH402
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Resource / 120

healthy

Kronos Crypto Data & Forecasts.

GET https://kronossignals.com/api/v1/forecast/btc ↗

Real-time and ML-forecasted Bitcoin (BTC) price. Kronos deep-learning model: up-probability, expected close, price range, p10-p90 quantiles, forward volatility across 1h/4h/24h horizons. Crypto price prediction / price forecast API for AI agents and trading bots. Pay-per-call via x402 on Base USDC. Live track record at /api/stats: ~54% directional hit, ~70% in-range over 15k+ scored forecasts — measured on served predictions, not a backtest.

Eligibility
probeable
Failures
0
Last quote
2026-08-12 21:30:02 UTC
Last probe
2026-08-12 21:30:02 UTC
Payment requirements / accepts[] 1 options
State Network Scheme Atomic amount Asset payTo / untrusted
active eip155:8453 exact 50000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0x36038e1d712c5e39f35952164ec58ec2b96caee7

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 1 recent
healthy 2026-08-12 21:30:02 UTC GET · HTTP 402 · 127ms · accepts 1 · base 1 ok
Request
GET https://kronossignals.com/api/v1/forecast/btc
Robots
error
Note
robots_error:{:robots_http_status, 404};http_402;accepts=1;base=1
Accepts fingerprint
a35df5f8bcb99f350a876f1c0eab6c384952b77e5a1b6ebb43394c0568dcce6e

Accepts snapshot

[
  {
    "amount": "50000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
    "paymentFlow": null,
    "raw": {
      "amount": "50000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
      "pay_to": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
      "scheme": "exact"
    },
    "scheme": "exact"
  }
]

PaymentRequired raw 

{
  "accepts": [
    {
      "amount": "50000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "pathParams": {},
          "queryParams": {
            "horizon": "1h"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "asset": "BTC-USD",
            "cache_age_seconds": 180,
            "cached": true,
            "disclaimer": "Kronos-base ML forecast (60-path Monte-Carlo), cached; regenerated every ~20 min. Informational only, not financial advice.",
            "forecast": {
              "confidence": 0.67,
              "expected_close": 107620.5,
              "horizon_bars": 1,
              "n_paths": 60,
              "pred_high": 108500,
              "pred_low": 106100,
              "pred_volatility": 0.0079,
              "prob_up": 0.67,
              "quantiles": {
                "p10": 106300,
                "p25": 107000,
                "p50": 107620,
                "p75": 108200,
                "p90": 108700
              },
              "range_high": 108700,
              "range_low": 106300,
              "up_prob": 0.67
            },
            "generated_at": "2026-07-01T10:00:00.000Z",
            "horizon": "1h",
            "model": "kronos-base-60path-t1-v2",
            "price": {
              "atr": 800,
              "close": 107500
            },
            "source": "Kronos-base (cached, 60-path MC)"
          },
          "type": "json"
        }
      },
      "routeTemplate": ":var1",
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "pathParams": {
                "type": "object"
              },
              "queryParams": {
                "properties": {
                  "horizon": {
                    "default": "1h",
                    "description": "Forecast horizon: 1h = 1-hour candles, 4h = 4-hour candles, 24h = daily candles",
                    "enum": [
                      "1h",
                      "4h",
                      "24h"
                    ],
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "resource": {
    "description": "Real-time and ML-forecasted Bitcoin (BTC) price. Kronos deep-learning model: up-probability, expected close, price range, p10-p90 quantiles, forward volatility across 1h/4h/24h horizons. Crypto price prediction / price forecast API for AI agents and trading bots. Pay-per-call via x402 on Base USDC. Live track record at /api/stats: ~54% directional hit, ~70% in-range over 15k+ scored forecasts — measured on served predictions, not a backtest.",
    "mimeType": "application/json",
    "serviceName": "Kronos Crypto Data & Forecasts",
    "tags": [
      "bitcoin",
      "btc",
      "crypto",
      "price-forecast",
      "price-prediction",
      "machine-learning",
      "trading",
      "ai-agents",
      "x402"
    ],
    "url": "https://kronossignals.com/api/v1/forecast/btc"
  },
  "x402Version": 2
}

Response headers

{
  "age": "0",
  "cache-control": "public, max-age=0, must-revalidate",
  "content-type": "application/json",
  "date": "Wed, 12 Aug 2026 21:30:02 GMT",
  "payment-required": "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",
  "server": "Vercel",
  "strict-transport-security": "max-age=63072000",
  "transfer-encoding": "chunked",
  "x-matched-path": "/api/v1/forecast/btc",
  "x-vercel-cache": "MISS",
  "x-vercel-id": "iad1::iad1::22bq7-1786570202495-b59bb18bb330"
}

Response body 

{
  "accepts": [
    {
      "amount": "50000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "pathParams": {},
          "queryParams": {
            "horizon": "1h"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "asset": "BTC-USD",
            "cache_age_seconds": 180,
            "cached": true,
            "disclaimer": "Kronos-base ML forecast (60-path Monte-Carlo), cached; regenerated every ~20 min. Informational only, not financial advice.",
            "forecast": {
              "confidence": 0.67,
              "expected_close": 107620.5,
              "horizon_bars": 1,
              "n_paths": 60,
              "pred_high": 108500,
              "pred_low": 106100,
              "pred_volatility": 0.0079,
              "prob_up": 0.67,
              "quantiles": {
                "p10": 106300,
                "p25": 107000,
                "p50": 107620,
                "p75": 108200,
                "p90": 108700
              },
              "range_high": 108700,
              "range_low": 106300,
              "up_prob": 0.67
            },
            "generated_at": "2026-07-01T10:00:00.000Z",
            "horizon": "1h",
            "model": "kronos-base-60path-t1-v2",
            "price": {
              "atr": 800,
              "close": 107500
            },
            "source": "Kronos-base (cached, 60-path MC)"
          },
          "type": "json"
        }
      },
      "routeTemplate": ":var1",
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "pathParams": {
                "type": "object"
              },
              "queryParams": {
                "properties": {
                  "horizon": {
                    "default": "1h",
                    "description": "Forecast horizon: 1h = 1-hour candles, 4h = 4-hour candles, 24h = daily candles",
                    "enum": [
                      "1h",
                      "4h",
                      "24h"
                    ],
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "resource": {
    "description": "Real-time and ML-forecasted Bitcoin (BTC) price. Kronos deep-learning model: up-probability, expected close, price range, p10-p90 quantiles, forward volatility across 1h/4h/24h horizons. Crypto price prediction / price forecast API for AI agents and trading bots. Pay-per-call via x402 on Base USDC. Live track record at /api/stats: ~54% directional hit, ~70% in-range over 15k+ scored forecasts — measured on served predictions, not a backtest.",
    "mimeType": "application/json",
    "serviceName": "Kronos Crypto Data & Forecasts",
    "tags": [
      "bitcoin",
      "btc",
      "crypto",
      "price-forecast",
      "price-prediction",
      "machine-learning",
      "trading",
      "ai-agents",
      "x402"
    ],
    "url": "https://kronossignals.com/api/v1/forecast/btc"
  },
  "x402Version": 2
}

Request headers

{
  "accept": "*/*",
  "user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}

Machine contract

Schemas.

InputJSON
{
  "method": "GET",
  "queryParams": {
    "horizon": "1h"
  },
  "type": "http"
}
OutputJSON
{
  "example": {
    "asset": "BTC-USD",
    "cache_age_seconds": 180,
    "cached": true,
    "disclaimer": "Kronos-base ML forecast (60-path Monte-Carlo), cached; regenerated every ~20 min. Informational only, not financial advice.",
    "forecast": {
      "confidence": 0.67,
      "expected_close": 107620.5,
      "horizon_bars": 1,
      "n_paths": 60,
      "pred_high": 108500,
      "pred_low": 106100,
      "pred_volatility": 0.0079,
      "prob_up": 0.67,
      "quantiles": {
        "p10": 106300,
        "p25": 107000,
        "p50": 107620,
        "p75": 108200,
        "p90": 108700
      },
      "range_high": 108700,
      "range_low": 106300,
      "up_prob": 0.67
    },
    "generated_at": "2026-07-01T10:00:00.000Z",
    "horizon": "1h",
    "model": "kronos-base-60path-t1-v2",
    "price": {
      "atr": 800,
      "close": 107500
    },
    "source": "Kronos-base (cached, 60-path MC)"
  },
  "type": "json"
}