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Market Sentiment Indicators: Crypto Fear & Greed Index and VIX
x402
Market Sentiment Indicators: Crypto Fear & Greed Index and VIX is a paid API for AI agents from market.memoryapi.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Returns current crypto Fear & Greed Index and traditional market VIX volatility sentiment indicators in a single call.
Price / call$0.001
Success—
StatusUnknown
How this service works
Market sentiment indicators: crypto Fear & Greed Index and traditional market VIX volatility.
Output
Returns the current crypto Fear & Greed Index value and classification (e.g. Extreme Fear, Fear, Neutral, Greed, Extreme Greed) alongside the current VIX volatility index level for traditional markets, giving a combined sentiment picture across both crypto and equities.
Example use cases
Example prompt
“What's the current market sentiment — give me both the crypto Fear & Greed Index score and the VIX volatility reading so I can gauge overall market mood.”
Technical details
Endpoint
GEThttps://market.memoryapi.org/x402/market/sentimentWhen to prefer
Use this endpoint when you need a quick, combined read on both crypto and traditional market sentiment in a single call. Ideal for portfolio risk checks, trading signal generation, or any workflow that needs to gauge overall market mood across asset classes simultaneously without querying two separate services.
Side effects
- Upstream data source unavailable: may return stale or missing values
- Rate limit exceeded: HTTP 429 if called too frequently
- Payment not processed: HTTP 402 if x402 payment not completed
- Service temporarily unavailable: HTTP 503 during maintenance
Input
{
"cik": "0001067983"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | — |
Output
{
"source": "Alternative.me (Crypto F&G) / FRED (Market VIX)",
"success": true,
"market_vix": {
"date": "2026-06-16",
"label": "Neutral",
"value": 16.41,
"interpretation": "Normal market volatility"
},
"crypto_fear_greed": {
"label": "Extreme Fear",
"value": 15,
"history": [
{
"label": "Extreme Fear",
"value": 15,
"timestamp": "2026-06-18T00:00:00.000Z"
},
{
"label": "Extreme Fear",
"value": 22,
"timestamp": "2026-06-17T00:00:00.000Z"
},
{
"label": "Extreme Fear",
"value": 23,
"timestamp": "2026-06-16T00:00:00.000Z"
},
{
"label": "Extreme Fear",
"value": 20,
"timestamp": "2026-06-15T00:00:00.000Z"
},
{
"label": "Extreme Fear",
"value": 18,
"timestamp": "2026-06-14T00:00:00.000Z"
},
{
"label": "Extreme Fear",
"value": 13,
"timestamp": "2026-06-13T00:00:00.000Z"
},
{
"label": "Extreme Fear",
"value": 12,
"timestamp": "2026-06-12T00:00:00.000Z"
}
],
"timestamp": "2026-06-18T00:00:00.000Z"
}
}Tags
x402
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