# APEX Runner Fear Greed Signal

> APEX Runner Fear Greed Signal is a paid API for AI agents from apexrunner.ai, paid per call via x402, $0.035/call, status unknown (last checked 2026-09-13).

Returns a crypto market fear/greed signal to help traders gauge overall market sentiment and risk appetite

## Facts

- Endpoint: GET https://apexrunner.ai/signals/fear-greed
- Price: $0.035/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/apex-runner-fear-greed-signal-83772f9d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_SsP7_6b0z-cRimCJKRDuG

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 apex-runner-fear-greed-signal-83772f9d
```

Example prompt: What's the current fear and greed signal from APEX Runner — is the crypto market in fear or greed territory right now?

## When to prefer this

Use this endpoint when you need a quick, quantified market sentiment reading for crypto markets — particularly useful as a pre-trade filter, risk overlay, or input to an automated trading strategy alongside other APEX Runner signals like Regime Confluence or Liquidation Pressure.

## Known failure modes

- No schema provided — may return empty or malformed response if the upstream data feed is unavailable
- HTTP 402 if payment header is missing or USDC balance is insufficient
- Rate limiting or timeout if signal data is being refreshed
- Stale data if market feed latency is high

## How this service works

APEX Runner: Fear Greed Signal

## Output

A fear/greed sentiment signal value or score indicating the current emotional state of the crypto market, useful for informing entry/exit decisions or risk management in trading strategies.

## Example request

```json
{
 "method": "GET"
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "bias": "string — recommended trading bias: cautious_buy, hold, cautious_sell, or avoid",
 "type": "json",
 "score": "integer — Fear & Greed score 0-100 (0=Extreme Fear, 100=Extreme Greed)",
 "regime": "string — current APEX market regime: RANGING, TRENDING, CRISIS, or RECOVERY",
 "example": {
  "bias": "cautious_buy",
  "score": 32,
  "regime": "RANGING",
  "classification": "Fear"
 },
 "classification": "string — Extreme Fear, Fear, Neutral, Greed, or Extreme Greed"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/apex-runner-fear-greed-signal-83772f9d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from apexrunner.ai](https://www.zero.xyz/host/apexrunner.ai/llms.txt)