# Coinank Fear & Greed Index via claw402 x402 Gateway

> Coinank Fear & Greed Index via claw402 x402 Gateway is a paid API for AI agents from claw402.ai, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-13).

Fetches the current crypto market Fear & Greed Index indicator data from Coinank, payable per-call with USDC via x402 protocol

## Facts

- Endpoint: GET https://claw402.ai/api/v1/coinank/indicator/fear-greed
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/coinank-fear-greed-index-via-claw402-x402-gateway-9ec223c2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kO7k_bGpOLmmjyBS05nZP

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 coinank-fear-greed-index-via-claw402-x402-gateway-9ec223c2
```

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

## When to prefer this

Use this endpoint when you need real-time crypto market sentiment data (Fear & Greed Index) sourced from Coinank, accessed without API key registration, paying only $0.002 USDC per call via the x402 protocol. Ideal for agents that need lightweight, pay-as-you-go sentiment signals for crypto trading decisions or market analysis.

## Known failure modes

- Payment not received or insufficient USDC balance — 402 Payment Required returned
- Upstream Coinank API unavailable — empty data array or error code returned
- Malformed request parameters — unexpected response or error
- Rate limiting from underlying provider — slow or failed response

## How this service works

Backed by vergex.trade. Pay for any API with USDC. No API keys. No registration. Just a wallet.

## Output

Returns a JSON object with code 0 and a data array containing the current Fear & Greed Index value and associated sentiment metadata from Coinank, indicating whether the crypto market is in extreme fear, fear, neutral, greed, or extreme greed territory.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "code": 0,
  "data": []
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/coinank-fear-greed-index-via-claw402-x402-gateway-9ec223c2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from claw402.ai](https://www.zero.xyz/host/claw402.ai/llms.txt)