> For the complete documentation index, see [llms.txt](https://docs.lighter.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lighter.xyz/api/binary-options/updowncandles.md).

# upDownCandles

**Lighter only.**

Get the OHLC candles (1s = the exact price observations, or 30s) of an up/down market series (symbol + duration, e.g. btc/5m) in a bounded time range (at most 24h), oldest first. Pass next\_cursor as start\_timestamp to page forward; live candles are on the up\_down\_candle/// websocket channel.

These candles describe the underlying price used to resolve an Up/Down market. They are separate from order-book candles. Timestamps are in Unix seconds, and each request covers at most 24 hours. See [Underlying price](https://lighter-1.gitbook.io/all-docs/developers/binary-options/discover-markets#underlying-price) and [Live Up/Down candlesticks](https://lighter-1.gitbook.io/all-docs/developers/binary-options/websocket#up-down-candlesticks).

```json
{"openapi":"3.0.0","info":{"title":"Lighter API","version":"1.0.0"},"tags":[{"name":"binary-options"}],"servers":[{"url":"https://mainnet.zklighter.elliot.ai","description":"Lighter mainnet"},{"url":"https://testnet.zklighter.elliot.ai","description":"Lighter testnet"}],"paths":{"/api/v1/upDownCandles":{"get":{"summary":"upDownCandles","operationId":"upDownCandles","tags":["binary-options"],"description":"**Lighter only.**\n\nGet the OHLC candles (1s = the exact price observations, or 30s) of an up/down market series (symbol + duration, e.g. btc/5m) in a bounded time range (at most 24h), oldest first. Pass next_cursor as start_timestamp to page forward; live candles are on the up_down_candle/<symbol>/<duration>/<resolution> websocket channel.\n\nThese candles describe the underlying price used to resolve an Up/Down market. They are separate from order-book candles. Timestamps are in Unix seconds, and each request covers at most 24 hours. See [Underlying price](https://lighter-1.gitbook.io/all-docs/developers/binary-options/discover-markets#underlying-price) and [Live Up/Down candlesticks](https://lighter-1.gitbook.io/all-docs/developers/binary-options/websocket#up-down-candlesticks).","parameters":[{"name":"symbol","in":"query","description":" market series: underlying (case-insensitive) ...","required":true,"schema":{"type":"string"}},{"name":"duration","in":"query","description":" ... and market duration, e.g. 30s or 5m","required":true,"schema":{"type":"string"}},{"name":"resolution","in":"query","description":" 1s candles are the observations themselves","required":false,"schema":{"type":"string","enum":["1s","30s"],"default":"1s"}},{"name":"start_timestamp","in":"query","description":" inclusive bucket start, seconds","required":true,"schema":{"type":"integer","format":"int64","minimum":0,"maximum":5000000000}},{"name":"end_timestamp","in":"query","description":" inclusive, seconds; at most 24h after start_timestamp","required":true,"schema":{"type":"integer","format":"int64","minimum":0,"maximum":5000000000}},{"name":"limit","in":"query","required":false,"schema":{"type":"integer","format":"int64","default":"1000","minimum":1,"maximum":3600}}],"responses":{"200":{"description":"A successful response.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/RespGetUpDownCandles"}}}},"400":{"description":"Bad request","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ResultCode"}}}}}}}},"components":{"schemas":{"RespGetUpDownCandles":{"type":"object","properties":{"code":{"type":"integer","format":"int32"},"message":{"type":"string"},"candles":{"type":"array","items":{"$ref":"#/components/schemas/UpDownCandle"},"description":" ascending by timestamp"},"next_cursor":{"type":"integer","format":"int64","description":" start_timestamp of the next page; 0 when the range is exhausted"}},"title":"RespGetUpDownCandles","required":["code","candles"]},"UpDownCandle":{"type":"object","properties":{"symbol":{"type":"string"},"duration":{"type":"string"},"resolution":{"type":"string"},"timestamp":{"type":"integer","format":"int64","description":" bucket start, unix seconds"},"open":{"type":"string","description":" exact provider prices, decimal strings"},"high":{"type":"string"},"low":{"type":"string"},"close":{"type":"string"},"provider":{"type":"string","description":" provider feed of the last observation of the candle"},"feed_id":{"type":"string"}},"title":"UpDownCandle","required":["symbol","duration","resolution","timestamp","open","high","low","close","provider","feed_id"]},"ResultCode":{"type":"object","properties":{"code":{"type":"integer","format":"int32"},"message":{"type":"string"}},"title":"ResultCode","required":["code"]}}}}
```


---

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