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WEBHOOK
asset-price-window-update
{
  "symbol": "BTC",
  "variant": "5m",
  "start_time": 123,
  "end_time": 123,
  "open_price": 123,
  "close_price": 123,
  "update_type": "open"
}

Body

application/json

Payload delivered twice per candle — once on open and once on close. close_price is 0.0 on the "open" update.

​
symbol
enum<string>
required

Asset symbol

Available options:
BTC,
ETH,
SOL,
XRP,
DOGE,
BNB,
HYPE
​
variant
enum<string>
required

Candle / window size

Available options:
5m,
15m,
1h,
4h,
1d,
24h
​
start_time
integer<int64>
required

Window start timestamp (milliseconds since Unix epoch)

​
end_time
integer<int64>
required

Window end timestamp (milliseconds since Unix epoch)

​
open_price
number
required

Opening price at start_time (USD)

​
close_price
number
required

Closing price at end_time (USD). 0.0 when update_type is "open" (not yet available).

​
update_type
enum<string>
required

"open" when the candle opens, "close" when it closes with a confirmed price

Available options:
open,
close

Response

Webhook delivery acknowledged

Last modified on March 17, 2026