Getting started

Coinmico API

A free, read-only REST API for crypto market data that Coinmico measures itself: prices and volume computed from trades on 50+ exchanges, DEX activity indexed on-chain, and the indicators built on top. Every number tells you whether it was measured or taken from a reference source.

Quickstart API reference OpenAPI 3.1

Base URLapi.coinmico.com

Authx-api-key header

Limit600 req / hour / key

Guides

Create a key and make your first request in under five minutes.

Authentication

How to send your key and what happens when it is wrong.

Rate limits

600 requests per hour per key and the headers that track it.

One error shape for every endpoint, with stable codes.

limit, page and offset on list endpoints.

Measured vs reference

What the measured flag means and when a value falls back to a reference source.

Methodology

How prices, volume, market cap and rankings are computed from trades.

Freshness & caching

How often each dataset updates and how long you should cache.

Attribution

The one condition of the free API: credit the source.

What may change inside v1 and how breaking changes are announced.

Dated list of API changes.

Where to check uptime and incidents.

Endpoints

Coins

GET/v1/coinsRanked list of every asset in the index with price, market cap, volume, change and supply.GET/v1/coins/{id}Full profile of one asset: description, links, contracts, categories and live price statistics.GET/v1/coins/{id}/ohlcOpen/high/low/close/volume candles aggregated from trades on the venues we track.GET/v1/coins/{id}/chartPrice or market-cap series for a window from 1 hour to the full history.GET/v1/coins/{id}/marketsEvery pair and venue where the asset trades, with measured volume, share, spread and depth.GET/v1/pricesCompact live prices for polling: id, price, 24h change, measured flag.GET/v1/searchResolve a name, ticker or contract address to coins, categories, exchanges and DEXes.

Market

GET/v1/globalTotal market cap, volume and dominance summed from the index.GET/v1/global/historyTotal market cap over time.GET/v1/exchangesCentralised exchanges ranked by measured volume, with trust score, depth, open interest and uptime.GET/v1/exchanges/{id}One exchange with its markets, daily volume history and score breakdown.GET/v1/dexDecentralised exchanges with indexed on-chain volume, swaps and pools per chain.GET/v1/categoriesSectors and ecosystems with market cap, 24h/7d change, volume and top coins.GET/v1/chainsBlockchains we index on-chain, with 24h DEX volume, swaps, pools and tokens indexed.GET/v1/trendingAssets gaining attention right now, ranked by searches, views and volume change.GET/v1/new-coinsAssets that first traded on a tracked venue recently.

Indicators

GET/v1/fear-greedCoinmico Fear & Greed index with its components.GET/v1/fear-greed/historyDaily Fear & Greed readings.GET/v1/etf-flowsBitcoin, Ether and Solana spot ETF flows in one call.GET/v1/etf-flows/{asset}Daily net flows of US spot Bitcoin, Ether and Solana ETFs, per fund.GET/v1/liquidationsForced liquidations on the derivatives venues we stream, by side, asset, venue and time.GET/v1/market-statusBreadth, 24h market-cap and volume change, BTC dominance change and the altcoin-season score.GET/v1/newsHeadlines from major crypto publications, tagged by coin and topic.

Introduction · Coinmico API