Messages
{
"type": "subscribe",
"channel": "trades",
"id": "BTC-USD"
}{
"type": "channel_data",
"channel": "bbo",
"id": "BTC-USD",
"contents": {
"bestBid": {
"price": "94500.00",
"size": "1.5"
},
"bestAsk": {
"price": "94501.00",
"size": "0.8"
},
"timestamp": 1780410803123456,
"lastSequenceId": 2001,
"globalSequenceId": 880422
}
}Market data
Bbo
Endpoint:
wss://api.arcus.xyz/v1/ws— one socket multiplexes every channel and RPC request. Click Connect, then send the example subscribe message below to start receiving data.
Best bid and offer (top-of-book) for a single market. Lower bandwidth than l2Orderbook when only the inside quote is needed.
WSS
/
v1
/
ws?channel=bbo
Messages
{
"type": "subscribe",
"channel": "trades",
"id": "BTC-USD"
}{
"type": "channel_data",
"channel": "bbo",
"id": "BTC-USD",
"contents": {
"bestBid": {
"price": "94500.00",
"size": "1.5"
},
"bestAsk": {
"price": "94501.00",
"size": "0.8"
},
"timestamp": 1780410803123456,
"lastSequenceId": 2001,
"globalSequenceId": 880422
}
}Subscribe to a market channel
type:object
Best Bid Offer (BBO) Update
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