Bitcoin Fear & Greed Index History

{
  "type": "object",
  "required": [
    "from",
    "to"
  ],
  "properties": {
    "to": {
      "type": "string",
      "minLength": 1,
      "description": "End of time range. Accepts Unix seconds or date string (YYYY-MM-DD). Example: 2026-03-01."
    },
    "from": {
      "type": "string",
      "minLength": 1,
      "description": "Start of time range. Accepts Unix seconds or date string (YYYY-MM-DD). Example: 2026-01-01."
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "price": {
            "type": "number",
            "description": "BTC price on that day."
          },
          "value": {
            "type": "integer",
            "description": "Sentiment score from 0 (extreme fear) to 100 (extreme greed)."
          },
          "timestamp": {
            "type": "integer",
            "description": "Unix seconds for that day's reading."
          },
          "classification": {
            "type": "string",
            "description": "Label for the score. Observed values: Extreme Fear, Fear, Neutral, Greed."
          }
        },
        "additionalProperties": false
      },
      "description": "One entry per day the index has data for, most recent first on the populated fixture. Empty on a date range the index has not yet published data for (observed on a future-dated request), which is still billed as a normal call."
    },
    "meta": {
      "type": "object",
      "properties": {
        "cached": {
          "type": "boolean",
          "description": "Whether this response was served from the provider's cache."
        }
      },
      "additionalProperties": false
    }
  },
  "description": "The fear & greed history response, as returned at routing.responseResultPath ($.output).",
  "additionalProperties": false
}