# Losbeto Fear & Greed Index

> Losbeto Fear & Greed Index is a paid API for AI agents from markets.losbeto.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).

Returns the current crypto market Fear & Greed Index score and sentiment label

## Facts

- Endpoint: GET https://markets.losbeto.xyz/fear-greed
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/losbeto-fear-greed-index-6f3666de
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hA8auGJPjj-IQM5oz5Fvf

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 losbeto-fear-greed-index-6f3666de
```

Example prompt: What's the current crypto Fear & Greed Index score — is the market in fear or greed right now?

## When to prefer this

Choose this endpoint when you need a quick, cheap ($0.01 USDC) real-time pulse on overall crypto market sentiment via the Fear & Greed Index, especially within automated trading agents or daily briefing workflows that already use x402 micropayment infrastructure on Solana or Base.

## Known failure modes

- Payment failure via x402 protocol if USDC balance is insufficient
- Service downtime returns non-JSON or 5xx error
- Stale data if the underlying index source is delayed
- Malformed JSON response if upstream data provider is unavailable

## How this service works

Losbeto: 67 endpoints x402 monetizados. Solana + Base. USDC micropayments para AI agents. Preços a partir de $0.003.

## Output

A JSON response containing the current Fear & Greed Index numeric value (typically 0–100), a sentiment label (e.g. Extreme Fear, Fear, Neutral, Greed, Extreme Greed), and likely a timestamp. Useful for gauging overall crypto market sentiment at a glance.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "queryParams": {
     "type": "object",
     "properties": {
      "format": {
       "type": "string",
       "description": "Response format (json)"
      }
     }
    }
   }
  },
  "output": {
   "type": "object",
   "properties": {
    "example": {
     "type": "object",
     "description": "Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public source (https://api.alternative.me/fng/ (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "value": 27,
  "version": "25.1.0-DISCOVERY",
  "classification": "Fear",
  "interpretation": "Medo - cautela aumentada"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/losbeto-fear-greed-index-6f3666de/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from markets.losbeto.xyz](https://www.zero.xyz/host/markets.losbeto.xyz/llms.txt)