Crypto Pricing Data #
Historical Crypto Market Data #
Alpaca provides free limited crypto data and a more advanced unlimited paid plan. To learn more on our paid plan or to subscribe see Alpaca Data.
To request trading pairs data via REST API, see Crypto Pricing Data REST API Reference.
The example below requests latest orderbook data (bid and asks) for the following three crypto trading pairs: BTC/USD
, ETH/BTC
and ETH/USD
.
curl --request GET 'https://data.alpaca.markets/v1beta3/crypto/us/latest/orderbooks?symbols=BTC/USD,ETH/BTC,ETH/USD,SOL/USDT' \
--header 'Apca-Api-Key-Id: <KEY>' \
--header 'Apca-Api-Secret-Key: <SECRET>'
{
"orderbooks": {
"BTC/USD": {
"a": [
{
"p": 27539.494,
"s": 0.2632414
},
...
],
"b": [
{
"p": 27511.78083,
"s": 0.26265668
},
...
],
"t": "2023-03-18T13:31:44.932988033Z"
},
"ETH/USD": { ... },
"ETH/BTC": { ... },
"SOL/USDT": { ... }
}
}
Real-time Crypto Market Data #
Additionally, you can subcribe to real-time crypto data via Websockets. Example below leverages wscat
to subscribe to:
BTC/USD
trades.ETH/USDT
andETH/USD
quotes.BTC/USD
orderbooksSOL/USDT
bars
$ wscat -c wss://stream.data.alpaca.markets/v1beta3/crypto/us
Connected (press CTRL+C to quit)
< [{"T":"success","msg":"connected"}]
> {"action": "auth", "key": "<KEY>", "secret": "<SECRET>"}
< [{"T":"success","msg":"authenticated"}]
> {"action":"subscribe", "trades":["BTC/USD"], "quotes":["ETH/USDT","ETH/USD"], "orderbooks":["BTC/USD"], "bars":["SOL/USDT"]}
< [{"T":"subscription","trades":["BTC/USD"],"quotes":["ETH/USDT","ETH/USD"],"orderbooks":["BTC/USD"],"bars":["SOL/USDT"],"updatedBars":[],"dailyBars":[]}]
< [{"T":"o","S":"BTC/USD","t":"2023-03-18T13:51:29.754747009Z","b":[{"p":27485.3445,"s":0.25893365},{"p":27466.92727,"s":0.52351568},...],"a":[{"p":27512.92,"s":0.26137249},{"p":27547.9425,"s":0.52011956},...],"r":true}]
< [{"T":"q","S":"ETH/USDT","bp":1815.55510989,"bs":8.24941727,"ap":1818.4,"as":4.15121428,"t":"2023-03-18T13:51:33.256826818Z"}]
< ...
For further reference of real-time crypto pricing data. see Real-time Data Reference section.