FETCH402
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Resource / 85

healthy

Kronos Crypto Data & Forecasts.

GET https://kronossignals.com/api/v1/fear-greed ↗

Crypto Fear & Greed Index: alternative.me score (0-100) plus Kronos-owned context (BTC funding sentiment, OI 1h trend, 24h price momentum). Not a pure proxy — adds proprietary derivative signals. Pay-per-call via x402.

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 20000 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 · 677ms · accepts 1 · base 1 ok
Request
GET https://kronossignals.com/api/v1/fear-greed
Robots
error
Note
robots_error:{:robots_http_status, 404};http_402;accepts=1;base=1
Accepts fingerprint
31fe82a45a74fa7394aba976f58e8e6a26938a19d4574e4d65f5b2186c13bcec

Accepts snapshot

[
  {
    "amount": "20000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
    "paymentFlow": null,
    "raw": {
      "amount": "20000",
      "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": "20000",
      "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": {},
          "type": "http"
        },
        "output": {
          "example": {
            "as_of": "2026-07-02T10:00:00.000Z",
            "disclaimer": "Fear & Greed from alternative.me + Kronos derivative signals. Not financial advice.",
            "kronos_context": {
              "blended_note": "Funding in greed territory; OI rising (leverage building); price up 2.5% in 24h. Derivatives lean bullish.",
              "btc_funding": {
                "rate": 0.0003,
                "sentiment": "greed"
              },
              "oi_trend": {
                "direction": "rising",
                "latest": 85000,
                "prior": 84000
              },
              "price_momentum": {
                "change_pct_24h": 2.5,
                "sentiment": "bullish"
              }
            },
            "source": "alternative.me",
            "timestamp": "1751443200",
            "value": 75,
            "value_classification": "Greed"
          },
          "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": {},
                "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": "Crypto Fear & Greed Index: alternative.me score (0-100) plus Kronos-owned context (BTC funding sentiment, OI 1h trend, 24h price momentum). Not a pure proxy — adds proprietary derivative signals. Pay-per-call via x402.",
    "mimeType": "application/json",
    "serviceName": "Kronos Crypto Data & Forecasts",
    "tags": [
      "sentiment",
      "fear-greed",
      "crypto",
      "index",
      "market-sentiment",
      "ai-agents",
      "x402"
    ],
    "url": "https://kronossignals.com/api/v1/fear-greed"
  },
  "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/fear-greed",
  "x-vercel-cache": "MISS",
  "x-vercel-id": "iad1::iad1::7vlzh-1786570201940-69d2657df424"
}

Response body 

{
  "accepts": [
    {
      "amount": "20000",
      "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": {},
          "type": "http"
        },
        "output": {
          "example": {
            "as_of": "2026-07-02T10:00:00.000Z",
            "disclaimer": "Fear & Greed from alternative.me + Kronos derivative signals. Not financial advice.",
            "kronos_context": {
              "blended_note": "Funding in greed territory; OI rising (leverage building); price up 2.5% in 24h. Derivatives lean bullish.",
              "btc_funding": {
                "rate": 0.0003,
                "sentiment": "greed"
              },
              "oi_trend": {
                "direction": "rising",
                "latest": 85000,
                "prior": 84000
              },
              "price_momentum": {
                "change_pct_24h": 2.5,
                "sentiment": "bullish"
              }
            },
            "source": "alternative.me",
            "timestamp": "1751443200",
            "value": 75,
            "value_classification": "Greed"
          },
          "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": {},
                "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": "Crypto Fear & Greed Index: alternative.me score (0-100) plus Kronos-owned context (BTC funding sentiment, OI 1h trend, 24h price momentum). Not a pure proxy — adds proprietary derivative signals. Pay-per-call via x402.",
    "mimeType": "application/json",
    "serviceName": "Kronos Crypto Data & Forecasts",
    "tags": [
      "sentiment",
      "fear-greed",
      "crypto",
      "index",
      "market-sentiment",
      "ai-agents",
      "x402"
    ],
    "url": "https://kronossignals.com/api/v1/fear-greed"
  },
  "x402Version": 2
}

Request headers

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

Machine contract

Schemas.

InputJSON
{
  "method": "GET",
  "pathParams": {},
  "queryParams": {},
  "type": "http"
}
OutputJSON
{
  "example": {
    "as_of": "2026-07-02T10:00:00.000Z",
    "disclaimer": "Fear & Greed from alternative.me + Kronos derivative signals. Not financial advice.",
    "kronos_context": {
      "blended_note": "Funding in greed territory; OI rising (leverage building); price up 2.5% in 24h. Derivatives lean bullish.",
      "btc_funding": {
        "rate": 0.0003,
        "sentiment": "greed"
      },
      "oi_trend": {
        "direction": "rising",
        "latest": 85000,
        "prior": 84000
      },
      "price_momentum": {
        "change_pct_24h": 2.5,
        "sentiment": "bullish"
      }
    },
    "source": "alternative.me",
    "timestamp": "1751443200",
    "value": 75,
    "value_classification": "Greed"
  },
  "type": "json"
}