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Vextorium Crypto Fear & Greed Index History
x402
Vextorium Crypto Fear & Greed Index History is a paid API for AI agents from api.vextorium.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-15).
Returns historical Crypto Fear & Greed Index data including a time series, current value, trend, min/max/avg, and zone distribution over a configurable lookback window.
Price / call$0.003
Success—
StatusUnknown
How this service works
Daily history of the crypto Fear & Greed Index (0 extreme fear, 100 extreme greed): average, max, min, days in each zone and trend, with the series. Alternative.me data.
Output
Returns a JSON object with: current index value, zone label (e.g. Greed), and date; a daily time series array with date, zone, and numeric value; aggregate stats (avg, min, max, days count); a trend string; a breakdown of how many days fell into each zone (Greed, Neutral, Extreme Greed); and the data source attribution (Alternative.me).
Example use cases
Daily crypto sentiment dashboard
“Give me the crypto fear and greed index for today plus a summary of the past 30 days — current value, whether it's trending up or down, and the average score.”
Backtesting market entry conditions
“I need the fear and greed index history for the last 200 days so I can check how often the market was in Extreme Fear and whether prices recovered afterward.”
Weekly sentiment report for investors
“Generate a weekly crypto sentiment summary using fear and greed data for the past 7 days — include the min, max, average, and which zones we spent the most time in.”
Technical details
Endpoint
POSThttps://api.vextorium.com/v1/fear-greed-history?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need structured historical Crypto Fear & Greed Index data with zone classification, trend direction, and aggregate statistics in a single call. Prefer it over scraping Alternative.me directly or building your own aggregation, especially when paying per-call in USDC via x402 is acceptable and you need the data in a clean, agent-ready JSON format.
Side effects
- days parameter out of range (must be 2–2000) may return an error or default behavior
- No data available for very recent dates may result in incomplete series
- Network or provider-side outage returns a 5xx error
- Invalid body type or malformed JSON body returns a 400 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| days | integer | 2-2000 (default 30) |
Output
Schema · Response
{
"type": "json",
"example": {
"avg": 67.8,
"max": 78,
"min": 50,
"days": 30,
"trend": "sube",
"series": [
{
"date": "2026-09-03",
"zone": "Greed",
"value": 65
},
{
"date": "2026-09-04",
"zone": "Greed",
"value": 74
}
],
"source": "Alternative.me Crypto Fear & Greed Index",
"current": {
"date": "2026-10-02",
"zone": "Greed",
"value": 72
},
"days_per_zone": {
"Greed": 27,
"Neutral": 2,
"Extreme Greed": 1
}
}
}Tags
x402
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