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CoinGlass: Crypto Data API V4 (futures, spot, options, ETF)

· SEP 26, 2026 ·
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Key from coinglass.com/user. Rate limit is plan-based.

devrels.xyz/a/334

CoinGlass sells a Crypto Data API. V4 is the current REST surface. It aggregates futures, spot, options, ETF, and on-chain metrics from 30+ exchanges. Docs: docs.coinglass.com. Index: llms.txt. X @coinglass_com. Telegram t.me/Coinglass.

Register, then copy a key from coinglass.com/user. Pricing: /pricing. Some endpoints need a paid plan. The live docs host is https://open-api-v4.coinglass.com. open-api.coinglass.com (no v4) currently 500s.

Auth and limits

Every request needs header CG-API-KEY. Missing or invalid key: HTTP 401. Body success code is 0. Rate limit depends on the paid plan. Response headers: API-KEY-MAX-LIMIT (per minute) and API-KEY-USE-LIMIT. HTTP 429 when over.

bash
curl -X GET "https://open-api-v4.coinglass.com/api/futures/supported-coins" \
  -H "accept: application/json" \
  -H "CG-API-KEY: YOUR_KEY"

What V4 covers

Futures: open interest OHLC, funding rate OHLC, liquidations, heatmaps, long/short ratios, netflow, CVD, footprint (90d). Spot: coins, pairs, markets. Order book: L2/L3 snapshots and history. Hyperliquid whale alerts and positions (notional over $1M). ETF net inflow / AUM. MCP is in beta. There is a CoinGlass API Agent Skill.

Futures venues named on the product page include Binance, OKX, Bybit, CME, Deribit, Hyperliquid, Drift, dYdX. Options: Deribit, Binance, OKX, Bybit. Full pair lists: the supported-coins and supported-exchanges endpoints.

Resources

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CoinGlass: Crypto Data API V4 (futures, spot, options, ETF) | devrels.xyz