OHLCV Pairs Stream

The OHLCV Pairs stream provides real-time updates on the Open, High, Low, Close prices and Volume of one or many token pairs at configurable intervals. This documentation follows our standard streaming API structure.

Credit Cost

TBD

Supported Chains

• Base Mainnet
• BSC Mainnet
• Ethereum Mainnet

Supported DEXes

• Uniswap V2, V3
• PancakeSwap

This stream is currently in Beta. It is stable for testing and evaluation but may undergo changes in schema or behavior as we continue to improve it. No API credits are currently charged.

We welcome your feedback so please reach out to us directly to report issues or request features.

Parameters

Parameter	Type	Required	Description
chain_name	enum	Yes	Chain name to filter events (e.g. BASE_MAINNET, ETH_MAINNET, BSC_MAINNET)
pair_addresses	array<string>	Yes	Array of pair addresses on supported DEXes and chains to track
interval	enum	Yes	Frequency of OHLCV data updates, ranging from sub-second to one day
timeframe	enum	Yes	Historical lookback period for OHLCV data, ranging from one minute to one month
limit	int	No	Maximum number of items returned per stream message to control payload size

Subscription

You can subscribe to the ohlcvCandlesForPair endpoint to receive the pricing events.

Basic Subscription Query

subscription {
  ohlcvCandlesForPair(
    chain_name: BASE_MAINNET
    pair_addresses: ["0x9c087Eb773291e50CF6c6a90ef0F4500e349B903"]
    interval: ONE_MINUTE
    timeframe: ONE_HOUR
  ) {
    chain_name
    pair_address
    interval
    timeframe
    timestamp
    open
    high
    low
    close
    volume
    volume_usd
    quote_rate
    quote_rate_usd
  }
}

Complete Subscription Query

subscription {
  ohlcvCandlesForPair(
    chain_name: BASE_MAINNET
    pair_addresses: [
      "0x9c087Eb773291e50CF6c6a90ef0F4500e349B903"
      "0x4b0Aaf3EBb163dd45F663b38b6d93f6093EBC2d3"
    ]
    interval: ONE_MINUTE
    timeframe: ONE_HOUR
    limit: 1000
  ) {
    chain_name
    pair_address
    interval
    timeframe
    timestamp
    open
    high
    low
    close
    volume
    volume_usd
    quote_rate
    quote_rate_usd
    base_token {
      contract_name
      contract_address
      contract_decimals
      contract_ticker_symbol
    }
    quote_token {
      contract_name
      contract_address
      contract_decimals
      contract_ticker_symbol
    }
  }
}

Response Format

Here’s an example of the response data structure:

{
  "data": {
    "ohlcvCandlesForPair": [
      {
        "chain_name": "BASE_MAINNET",
        "pair_address": "0x4b0Aaf3EBb163dd45F663b38b6d93f6093EBC2d3",
        "interval": "ONE_MINUTE",
        "timeframe": "ONE_HOUR",
        "timestamp": "2025-05-29T19:53:00Z",
        "open": 4113151.389790023,
        "high": 4196665.022060752,
        "low": 4113151.389790023,
        "close": 4196665.022060752,
        "volume": 325.7615900713698,
        "volume_usd": 0.2079461510855417,
        "quote_rate": 4196665.022060752,
        "quote_rate_usd": 0.0006319231563715365,
        "quote_token": {
          "contract_name": "Wrapped Ether",
          "contract_symbol": "WETH",
          "contract_address": "0x4200000000000000000000000000000000000006",
          "contract_decimals": 18
        },
        "base_token": {
          "contract_name": "Toshi",
          "contract_symbol": "TOSHI",
          "contract_address": "0xac1bd2486aaf3b5c0fc3fd868558b082a531b2b4",
          "contract_decimals": 18
        }
      }
    ]
  }
}

Field Descriptions

Field	Type	Description
chain_name	string	The blockchain network where the pair exists
pair_address	string	The address of the DEX pair
interval	enum	The candle interval
timeframe	enum	The requested timeframe
timestamp	string	ISO timestamp for the candle
open	float	Opening price for the interval
high	float	Highest price during the interval
low	float	Lowest price during the interval
close	float	Closing price for the interval
volume	float	Trading volume during the interval
volume_usd	float	Trading volume in USD
quote_rate	float	Exchange rate between base and quote tokens
quote_rate_usd	float	USD value of the quote rate
base_token	object	Information about the base token in the pair
quote_token	object	Information about the quote token in the pair

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