# JarvisClaw Crypto Markets – Live Rankings by Market Cap

> JarvisClaw Crypto Markets – Live Rankings by Market Cap is a paid API for AI agents from api.jarvisclaw.ai, paid per call via x402, $0.001656/call, status unknown (last checked 2026-09-15).

Returns live price, market cap, 24h volume, and 24h + 7d % change for up to 100 top cryptocurrencies ranked by market cap, sourced from CoinGecko.

## Facts

- Endpoint: GET https://api.jarvisclaw.ai/v1/marketplace/api/crypto-markets
- Price: $0.001656/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/jarvisclaw-crypto-markets-live-rankings-by-market-cap-4de558cc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_P6Z7IHMVm9tu7_o745bBl

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 jarvisclaw-crypto-markets-live-rankings-by-market-cap-4de558cc
```

Example prompt: Show me the top 50 cryptocurrencies ranked by market cap right now, including their live price, market cap, 24-hour volume, and both 24-hour and 7-day price changes.

## When to prefer this

Choose this endpoint when you need a quick, ranked snapshot of the top crypto market — especially when you want multiple coins at once with market cap, volume, and short-term price change data in a single call. Prefer this over individual coin lookups when doing market overviews, screening for movers, or building dashboards. It is backed by CoinGecko, a widely trusted data source.

## Known failure modes

- Invalid limit value (outside 1–100) may return an error or default behavior
- Network or upstream CoinGecko outage may cause stale or missing data
- Payment failure via x402 protocol will block the response
- Missing or malformed query parameter may return default 20 results without warning

## How this service works

Top cryptocurrencies by market cap with live price, market cap, 24h volume, and 24h + 7d % change. Pass limit (1–100, default 20). Source: CoinGecko.

## Output

A ranked list of up to 100 cryptocurrencies (default 20) including: coin name and symbol, live USD price, market capitalization, 24-hour trading volume, 24-hour price change percentage, and 7-day price change percentage. Data is sourced in real time from CoinGecko.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Request parameters"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/jarvisclaw-crypto-markets-live-rankings-by-market-cap-4de558cc/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.jarvisclaw.ai](https://www.zero.xyz/host/api.jarvisclaw.ai/llms.txt)