Api Endpoint

Arrays

Crypto Fear & Greed Index - market sentiment indicator

Open interactive test console

Offering

Provider: Arrays
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://x402-data-tools.prd.arrays.org/api/v1/crypto/fear-greed-index
MIME type: application/json
First seen: 2026-10-16T01:50:04.685Z
Last seen: 2026-10-31T14:59:58.902Z
Tags: X402, financial-data, arrays, Crypto, market-data, analytics

Website Documentation OpenAPI

Payment pricing

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

Payment option 1: 0.008 USDC
Atomic price: 8000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "8000",
    "payTo": "0x9548E84DA0713a5c06b5D2CBB48d9670f1e27632"
  }
]

Observed health

Status: Healthy
Latest latency: 86 ms
Average latency: 1035 ms
HTTP status: 402
Last checked: 2026-11-02T04:49:50.041Z
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": "http",
  "method": "GET",
  "queryParams": {
    "type": "object",
    "required": [
      "start_time",
      "end_time"
    ],
    "properties": {
      "end_time": {
        "type": "integer",
        "format": "int64",
        "description": "End time (Unix timestamp in seconds). Must be greater than start_time"
      },
      "start_time": {
        "type": "integer",
        "format": "int64",
        "description": "Start time (Unix timestamp in seconds)"
      }
    }
  }
}

Output schema

{
  "allOf": [
    {
      "type": "object",
      "properties": {
        "data": {},
        "error": {
          "type": "object",
          "properties": {
            "code": {
              "type": "string",
              "example": "RESOURCE_NOT_FOUND"
            },
            "hint": {
              "type": "string"
            },
            "details": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "got": {
                    "type": "string"
                  },
                  "field": {
                    "type": "string"
                  },
                  "reason": {
                    "type": "string"
                  }
                }
              }
            },
            "message": {
              "type": "string",
              "example": "The requested resource was not found."
            },
            "docs_url": {
              "type": "string"
            },
            "examples": {
              "type": "array",
              "items": {
                "type": "string"
              }
            },
            "suggestions": {
              "type": "array",
              "items": {
                "type": "string"
              }
            }
          }
        },
        "success": {
          "type": "boolean"
        },
        "metadata": {},
        "pagination": {},
        "request_id": {
          "type": "string"
        }
      }
    },
    {
      "type": "object",
      "properties": {
        "data": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "time": {
                "type": "string",
                "description": "Formatted time (YYYY-MM-DD hh:mm:ss, UTC+0)"
              },
              "value": {
                "type": "number"
              },
              "timestamp": {
                "type": "integer"
              }
            }
          }
        }
      }
    }
  ]
}