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Crypto Fear & Greed Index
x402
Crypto Fear & Greed Index is a paid API for AI agents from api.web3identity.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns the current Crypto Fear & Greed Index value, classification, and timestamp as a market sentiment indicator
Price / call$0.01
Success—
StatusUnknown
How this service works
Crypto Fear & Greed Index - market sentiment indicator
Output
Returns a JSON object with a numeric index value (0–100), a sentiment classification string (e.g. 'Extreme Fear', 'Fear', 'Neutral', 'Greed', 'Extreme Greed'), and a timestamp indicating when the reading was taken.
Example use cases
Example prompt
“What is the current Crypto Fear & Greed Index — give me the numeric score and whether the market is in fear, greed, or somewhere in between?”
Technical details
Endpoint
GEThttps://api.web3identity.com/api/market/fear-greedWhen to prefer
Use this endpoint when you need a quick, single-value sentiment snapshot of the overall crypto market. Ideal for trading bots, market dashboards, or any agent that needs to make decisions conditioned on current market mood without requiring historical series or detailed breakdown.
Side effects
- API unavailable or rate-limited returning 402/503
- Stale or delayed data if upstream sentiment feed is lagging
- Empty or malformed JSON response if data pipeline fails
- Payment required error if x402 payment not provided
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"value": 13,
"cached": false,
"source": "alternative_me",
"latencyMs": 74,
"timestamp": "1781308800",
"classification": "Extreme Fear"
}Tags
x402
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