Index onlineMerchant portal
Api Endpoint

Crypto Fear & Greed Index

The Crypto Fear & Greed index (0–100) with its rating, alongside the US stock Fear & Greed score for comparison, current BTC and ETH prices with 24h change, and ~90 days of crypto sentiment history. Pass `?days=N` to size the history. The crypto-sentiment companion to /api/v1/fear-greed (stocks). From x402stock, a market & economic data API (x402, USDC).

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Offering

Provider
x402stock.xyz
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://x402stock.xyz/api/v1/fear-greed/crypto
MIME type
application/json
First seen
2026-10-16T01:51:51.176Z
Last seen
Tags
None supplied

Website

Payment pricing

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

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x3070Fbb3803819fB5BdfE9286fdc6325A877fA85"
  }
]

Observed health

Status
Healthy
Latest latency
167 ms
Average latency
602 ms
HTTP status
402
Last checked
Reachability
100% over 13 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",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "days": {
          "default": 90,
          "type": "integer",
          "exclusiveMinimum": 0,
          "maximum": 3650
        }
      },
      "required": [
        "days"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "source": {
          "type": "string",
          "const": "x402stock"
        },
        "as_of": {
          "type": "string"
        },
        "crypto": {
          "type": "object",
          "properties": {
            "score": {
              "anyOf": [
                {
                  "type": "number"
                },
                {
                  "type": "null"
                }
              ]
            },
            "rating": {
              "anyOf": [
                {
                  "type": "string"
                },
                {
                  "type": "null"
                }
              ]
            }
          },
          "required": [
            "score",
            "rating"
          ],
          "additionalProperties": false
        },
        "stock": {
          "type": "object",
          "properties": {
            "score": {
              "anyOf": [
                {
                  "type": "number"
                },
                {
                  "type": "null"
                }
              ]
            }
          },
          "required": [
            "score"
          ],
          "additionalProperties": false
        },
        "prices": {
          "type": "object",
          "propertyNames": {
            "type": "string"
          },
          "additionalProperties": {
            "type": "object",
            "properties": {
              "price": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "change": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "change_percent": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ]
              }
            },
            "required": [
              "price",
              "change",
              "change_percent"
            ],
            "additionalProperties": false
          }
        },
        "history": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "date": {
                "type": "string"
              },
              "score": {
                "anyOf": [
                  {
                    "type": "number"
                  },
                  {
                    "type": "null"
                  }
                ]
              }
            },
            "required": [
              "date",
              "score"
            ],
            "additionalProperties": false
          }
        }
      },
      "required": [
        "source",
        "as_of",
        "crypto",
        "stock",
        "prices",
        "history"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type"
  ]
}