# Claw402 Altcoin Season Indicator (via CoinAnk)

> Claw402 Altcoin Season Indicator (via CoinAnk) 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).

Returns the current altcoin season index data indicating whether the market is in Bitcoin season or altcoin season.

## Facts

- Endpoint: GET https://claw402.ai/api/v1/coinank/indicator/altcoin-season
- 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/claw402-altcoin-season-indicator-via-coinank-8a18a539
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_bAGu6IWe-WeupWtv3a3za

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 claw402-altcoin-season-indicator-via-coinank-8a18a539
```

Example prompt: Is it currently altcoin season or bitcoin season? Pull the latest altcoin season index for me.

## When to prefer this

Use this endpoint when you need a quick, wallet-based (no API key) lookup of the current altcoin season index from CoinAnk data, particularly in agentic crypto workflows that already use x402 USDC micropayments for API access.

## Known failure modes

- Payment of 0.002 USDC not completed — 402 response returned requiring payment
- Upstream CoinAnk data unavailable — empty data array returned
- Invalid or malformed request properties — may return error code
- Rate limits or wallet issues causing repeated 402 failures

## How this service works

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

## Output

A JSON object with a code field (0 = success) and a data array containing the current altcoin season indicator values, showing whether the market is trending toward altcoin dominance or Bitcoin dominance based on CoinAnk's index methodology.

## 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/claw402-altcoin-season-indicator-via-coinank-8a18a539/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)