Crypto global market
GET /api/crypto-globalGlobal crypto market snapshot: total market cap, total 24h volume, BTC dominance, ETH dominance, active coin count, active exchange count, and 24h market-cap change %. Returned in a chosen vs_currency (default usd). Backed by CoinGecko /global.
Input
| Field | Type | Description |
|---|---|---|
currency | string | vs_currency for cap/volume (default: usd) |
Example output
{
"currency": "usd",
"totalMarketCap": 2410000000000,
"totalVolume24h": 92000000000,
"marketCapChange24hPct": 1.23,
"btcDominancePct": 54.8,
"ethDominancePct": 17.6,
"activeCryptocurrencies": 12450,
"markets": 952,
"updatedAt": "2026-06-20T00:30:00Z"
}
Try it - see the 402 challenge (free)
curl -i "https://agent402.tools/api/crypto-global?currency=usd"
The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:
Paid call (JavaScript agent)
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);
const res = await payFetch("https://agent402.tools/api/crypto-global?currency=usd");
Part of these workflows
This tool is one step in 5 curated multi-tool workflows - agents can fetch the whole sequence as an MCP prompt or call https://agent402.tools/api/skill-packs/{slug}/prompt.
- Crypto market brief - Quick crypto market snapshot: price for a specific coin, trending coins, and global market stats (total cap, BTC dominance, volume) - one call.
- Macro dashboard refresh - The full macro + crypto dashboard in one call: 5 FRED series, 5 Treasury reads, yield-curve spread, crypto market/trending/global, and live gas - the 14-tool basket recurring buyers refresh every cycle, bundled below its a la carte price.
- Crypto research - Pull live price, market structure, OHLC history, trending status, global market context, and recent news for a single coin in one pass.
- Crypto dossier - Everything about a cryptocurrency in one call: live price, 90-day history, trending status, global market context, news search, and top article extraction.
- DeFi dashboard - DeFi market overview: total TVL, ETH price, Base gas, and global crypto stats in one call.
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