Public WebSocket
Mainnet
Contracts: wss://stream.deepcoin.com/streamlet/trade/public/swap?platform=api&version=v2
Spot: wss://stream.deepcoin.com/streamlet/trade/public/spot?platform=api&version=v2
Access Method
# Send Heartbeat
request:
ping
response:
pong
Connection Limit
Same IP limited to 10 concurrent connections. Connection count is limited but no rate limit applies.
Request Parameters
Subscribe Parameters
| parameter | required | type | description | remark |
|---|---|---|---|---|
| Action | yes | string | Subscription operation | 0:Unsubscribe all;1:Subscribe;2:Unsubscribe; |
| Symbol | yes | string | Filter value | Spot uses BASE/QUOTE（e.g. BTC/USDT）， contracts do not use a slash （e.g. BTCUSDT）。 |
| PeriodID | no | string | Period | 1m:1 minute;5m:5 minutes;15m:15 minutes;30m:30 minutes;1h:1 hour;4h:4 hours;12h:12 hours;1d:1 day;1w:1 week;1o:1 month;1y:1 year; |
| LocalNo | yes | int | Local unique identifier | Greater than 0, string comparison, customized, cannot be repeated in one session |
| Count | no | int | K line count | 0～100; |
| Topic | yes | string | Subscription topic ID | market-latest tick;trade-recently;kline-k line;book25-25Level Incremental Market Data;liquidationOrder-Liquidation Order |