# CoinStats Fear & Greed Index

> CoinStats Fear & Greed Index is a paid API for AI agents from x402.coinstats.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-12).

Returns the current crypto market Fear & Greed Index score (0-100) with classification, plus yesterday's and last week's values for comparison

## Facts

- Endpoint: GET https://x402.coinstats.app/insights/fear-and-greed?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-coinstats-app-3bc2dc98
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Ke3i_AzhcffKffA8ddN1z

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-coinstats-app-3bc2dc98
```

Example prompt: What's the current crypto fear and greed index score right now, and how does it compare to yesterday and last week?

## When to prefer this

Use this endpoint when you need a single, authoritative sentiment score for the overall crypto market, especially when you want both the current reading and recent historical context (yesterday and last week) in one call. Prefer over manual aggregation or social sentiment proxies when a standardized 0–100 Fear & Greed scale is required.

## Known failure modes

- Payment failure if USDC balance is insufficient or x402 payment header is missing
- Service unavailable if CoinStats data feed is down
- Stale data if the upstream sentiment calculation has not refreshed recently

## How this service works

CoinStats current Fear & Greed Index — sentiment score from Extreme Fear (0) to Extreme Greed (100)

## Output

Returns a JSON object with the current Fear & Greed Index value (0–100), its classification (e.g. 'Neutral', 'Extreme Fear', 'Extreme Greed'), a timestamp, the index name, plus equivalent values and classifications for yesterday and last week.

## Example request

```json
{}
```

## Request schema (JSON Schema)

```json
{
 "properties": {
  "input": {
   "required": [
    "method"
   ],
   "properties": {
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-coinstats-app-3bc2dc98/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.coinstats.app](https://www.zero.xyz/host/x402.coinstats.app/llms.txt)