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Crypto Fear & Greed Index — Current Market Sentiment Score
x402
Crypto Fear & Greed Index — Current Market Sentiment Score is a paid API for AI agents from perpsignals.use.x402atlas.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-13).
Returns the current Crypto Fear & Greed index score (0–100) and its sentiment label (e.g. Extreme Fear, Greed) in a snake_case JSON envelope.
Price / call$0.005
Success—
StatusUnknown
How this service works
Crypto Fear & Greed index — the current market-sentiment score (0-100) and its label (Extreme Fear … Extreme Greed), as a clean snake_case envelope.
Output
A snake_case JSON object containing the current Fear & Greed index value (integer 0–100) and a human-readable sentiment label such as 'Extreme Fear', 'Fear', 'Neutral', 'Greed', or 'Extreme Greed'.
Example use cases
Check crypto market sentiment now
“What's the current crypto market sentiment — is it fear or greed, and what's the exact score on the index right now?”
Time a crypto entry point
“Before I buy more ETH, can you check the fear and greed index for me? I want to know if the market is in extreme fear so I can consider it a good entry point.”
Daily crypto sentiment briefing
“Give me a quick morning briefing on crypto sentiment — what's the fear and greed index sitting at today, and what label is it showing?”
Technical details
Endpoint
GEThttps://perpsignals.use.x402atlas.com/fear-greedWhen to prefer
Use this endpoint when you need a single, clean, up-to-date snapshot of the Crypto Fear & Greed index score and label — especially within a crypto trading or perpetual-futures workflow alongside sibling endpoints for funding rates and trading pairs. Prefer over general market sentiment APIs when you need the standardized 0–100 Fear & Greed scale specifically.
Side effects
- Upstream data source unavailable — may return 502 or empty payload
- Stale data if the index provider has not refreshed — score may lag real-time conditions
- Payment failure (402) if USDC balance is insufficient or x402 header is malformed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"as_of": "2026-07-01T00:00:00Z",
"label": "Extreme Fear",
"value": 19,
"queried_at": "2026-07-01T12:00:00Z"
}
}Tags
x402
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