Index onlineMerchant portal
Api Endpoint

Fear & Greed History

The full daily history of the US stock Fear & Greed index from 2016 to today, each point a date and 0–100 score. Pass `?days=N` to return only the most recent N days (default: full series). Use for charting sentiment regimes and backtesting against price. Companion to /api/v1/fear-greed (current reading). From x402stock, a market & economic data API (x402, USDC).

Open interactive test console

Offering

Provider
x402stock.xyz
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://x402stock.xyz/api/v1/fear-greed/history
MIME type
application/json
First seen
2026-10-16T01:52:25.593Z
Last seen
Tags
None supplied

Website

Payment pricing

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

Payment option 1
0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "payTo": "0x3070Fbb3803819fB5BdfE9286fdc6325A877fA85"
  }
]

Observed health

Status
Healthy
Latest latency
123 ms
Average latency
257 ms
HTTP status
402
Last checked
Reachability
100% over 12 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": {
          "type": "integer",
          "exclusiveMinimum": 0,
          "maximum": 10000
        }
      },
      "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"
        },
        "index": {
          "type": "string",
          "const": "us_stock"
        },
        "count": {
          "type": "number"
        },
        "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",
        "index",
        "count",
        "history"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type"
  ]
}