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POST
/
ws
/
kLinePerps
Subscribe: Perps Kline / Candlesticks
curl --request POST \
  --url wss://api.ondoperps.xyz/ws/kLinePerps \
  --header 'Content-Type: application/json' \
  --data '
{
  "op": "subscribe",
  "channel": "kLinePerps"
}
'
{
  "type": "update",
  "channel": "kLinePerps",
  "data": {
    "m": "AAPL-USD.P",
    "t": 1709648400,
    "s": 1709648340,
    "e": 1709648400,
    "o": 226.8,
    "h": 228.1,
    "l": 226.5,
    "c": 227.5,
    "v": 12345.67,
    "x": false
  }
}

Body

application/json
​
op
enum<string>
required

Operation type

Available options:
ping,
login,
subscribe,
unsubscribe,
sendMessage
​
channel
enum<string>

Channel to subscribe/unsubscribe

Available options:
topOfBooksPerps,
depthBooksPerps,
tradesPerps,
ordersPerps,
fillsPerps,
cancelAllOrdersAfterPerps,
positionsPerps,
liquidationPerps,
liquidationAnnouncementsPerps,
marginTransfersPerps,
balancePerps,
ordersSummariesPerps,
fundingRatesPerps,
markPricesPerps,
fundingPaymentsPerps,
kLinePerps,
deposits,
withdrawals,
chat
​
markets
string[]

Filter by market(s). Required for kLine (exactly one). Optional for most channels.

​
args
object

Authentication arguments. Use either JWT (token) or API key (key + time + sign).

​
numPastTrades
integer

Number of historical trades to receive on subscribe (trades channels only)

​
resolution
enum<string>

Kline resolution (required for kLine channels)

Available options:
1,
5,
15,
1H,
4H,
1D,
1W
​
timeout_seconds
integer

Dead man's switch timeout (required for cancelAllOrdersAfter channels)

​
depthLevels
string

Price grouping level for depth book (depthBooks channels only)

​
limit
integer

Max depth levels to return; 0 for unlimited (depthBooks channels only)

​
message
string

Chat message text (sendMessage only)

​
context
object

Optional context for chat (market, page, etc.)

Response

200 - application/json

Channel update for kLinePerps

​
type
enum<string>
Available options:
update
​
channel
enum<string>
Available options:
kLinePerps
​
data
object

Candlestick/kline data point