coincap

CoinCap is a useful tool for real-time pricing and market activity for over 1,000 cryptocurrencies. By collecting exchange data from thousands of markets, we are able to offer transparent and accurate data on asset price and availability.

If you want to add 'api key' or change 'accept encoding', just call the 'configure' method.

No API Key: 200 requests per minute

API Key: 500 requests per minute

Generate API KEY here.

Coincap.configure do |config|
  config.api_key = 'XXXXXXXXXXXXXXXXXXXXX'
  config.accept_encoding = 'deflate' # Default gzip
end

Detailed information here.

Assets Price

data = Coincap::Assets.list

    {
        "data": [
            {
             "id": "bitcoin",
             "rank": "1",
             "symbol": "BTC",
             "name": "Bitcoin",
             "supply": "17193925.0000000000000000",
             "maxSupply": "21000000.0000000000000000",
             "marketCapUsd": "119150835874.4699281625807300",
             "volumeUsd24Hr": "2927959461.1750323310959460",
             "priceUsd": "6929.8217756835584756",
             "changePercent24Hr": "-0.8101417214350335",
             "vwap24Hr": "7175.0663247679233209"
            },
         ...
        ],
      "timestamp": 1533581088278
    }

data = Coincap::Assets.single('bitcoin')

      {
        "data": {
          "id": "bitcoin",
          "rank": "1",
          "symbol": "BTC",
          "name": "Bitcoin",
          "supply": "17193925.0000000000000000",
          "maxSupply": "21000000.0000000000000000",
          "marketCapUsd": "119179791817.6740161068269075",
          "volumeUsd24Hr": "2928356777.6066665425687196",
          "priceUsd": "6931.5058555666618359",
          "changePercent24Hr": "-0.8101417214350335",
          "vwap24Hr": "7175.0663247679233209"
        },
        "timestamp": 1533581098863
      }

data = Coincap::Assets.history('bitcoin', :one_minute)

or

data = Coincap::Assets.history_one_minute('bitcoin')

and with timestamp

data = Coincap::Assets.history_one_minute('bitcoin', 1530403200000, 1533581103627)

      {
        "data": [
         {
            "priceUsd": "6379.3997635993342453",
            "time": 1530403200000
          },
        ...
        ],
        "timestamp": 1533581103627
      }

data = Coincap::Assets.markets('bitcoin')

      {
        "data": [
          {
            "exchangeId": "Binance",
            "baseId": "bitcoin",
            "quoteId": "tether",
            "baseSymbol": "BTC",
            "quoteSymbol": "USDT",
            "volumeUsd24Hr": "277775213.1923032624064566",
            "priceUsd": "6263.8645034633024446",
            "volumePercent": "7.4239157877678087"
          },
          ...
        ],
        "timestamp": 1539289444052
      }

Rates

data = Coincap::Rates.list

      {
        "data": [
          {
            "id": "barbadian-dollar",
            "symbol": "BBD",
            "currencySymbol": "$",
            "type": "fiat",
            "rateUsd": "0.5000000000000000"
          },
        ...
        ],
        "timestamp": 1536347807471
      }

data = Coincap::Rates.single('bitcoin')

      {
        "data": [
          {
            "id": "barbadian-dollar",
            "symbol": "BBD",
            "currencySymbol": "$",
            "type": "fiat",
            "rateUsd": "0.5000000000000000"
          },
        ...
        ],
        "timestamp": 1536347807471
      }

Exchanges

data = Coincap::Exchanges.list

      {
        "data": [
          {
            "id": "okex",
            "name": "Okex",
            "rank": "1",
            "percentTotalVolume": "21.379485735166293542000000000000000000",
            "volumeUsd": "616465445.1646260280799955",
            "tradingPairs": "22",
            "socket": false,
            "exchangeUrl": "https://www.okex.com/",
            "updated": 1536343139514
          },
        ...
        ],
        "timestamp": 1536605835421
      }

data = Coincap::Exchanges.single

      {
        "data": {
          "id": "kraken",
          "name": "Kraken",
          "rank": "4",
          "percentTotalVolume": "2.946801735133553120000000000000000000",
          "volumeUsd": "84969370.4499608426167365",
          "tradingPairs": "52",
          "socket": false,
          "exchangeUrl": "https://kraken.com",
          "updated": 1536343139468
        },
        "timestamp": 1536605874069
      }

Markets

data = Coincap::Markets.list

    {
      "data": [
        {
          "exchangeId": "bitstamp",
          "rank": "1",
          "baseSymbol": "BTC",
          "baseId": "bitcoin",
          "quoteSymbol": "USD",
          "quoteId": "united-states-dollar",
          "priceQuote": "6927.3300000000000000",
          "priceUsd": "6927.3300000000000000",
          "volumeUsd24Hr": "43341291.9576547008000000",
          "percentExchangeVolume": "67.2199253376108585",
          "tradesCount24Hr": "420721",
          "updated": 1533581033590
        },
      ...
      ],
      "timestamp": 1533581173350
    }