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The Update Pairs stream provides real-time updates on the prices, volumes, market cap and liquidity of one or many token pairs. This documentation follows our standard streaming API structure.

Credit Cost

TBD

Supported Chains

  • BASE_MAINNET
  • BSC_MAINNET
  • ETH_MAINNET
  • HYPEREVM_MAINNET
  • MEGAETH_MAINNET
  • MONAD_MAINNET
  • POLYGON_MAINNET
  • SOLANA_MAINNET
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

​
chain_name
enum
required
Blockchain network to filter eventsType: ChainName
​
pair_addresses
array<string>
required
Array of pair addresses on supported DEXes and chains to track

​
Subscription

You can subscribe to the updatePairs endpoint to receive the events. 
subscription {
  updatePairs(
    chain_name: BASE_MAINNET
    pair_addresses: [
      "0x9c087Eb773291e50CF6c6a90ef0F4500e349B903"
      "0x4b0Aaf3EBb163dd45F663b38b6d93f6093EBC2d3"
    ]
  ) {
    trader
    liquidity
    pair_address
    base_token {
      contract_name
      contract_address
      contract_decimals
      contract_ticker_symbol
    }
    last_5m {
      volume {
        previous_value
        pct_change
        current_value
      }
      unique_sellers {
        previous_value
        pct_change
        current_value
      }
      sell_count {
        previous_value
        pct_change
        current_value
      }
      price {
        previous_value
        pct_change
        current_value
      }
      buy_count {
        previous_value
        pct_change
        current_value
      }
      sell_volume {
        previous_value
        pct_change
        current_value
      }
      volume_usd {
        previous_value
        pct_change
        current_value
      }
      buy_volume {
        previous_value
        pct_change
        current_value
      }
      swap_count {
        previous_value
        pct_change
        current_value
      }
      unique_buyers {
        previous_value
        pct_change
        current_value
      }
    }
    last_6hr {
      volume {
        previous_value
        pct_change
        current_value
      }
      unique_sellers {
        previous_value
        pct_change
        current_value
      }
      sell_count {
        previous_value
        pct_change
        current_value
      }
      price {
        previous_value
        pct_change
        current_value
      }
      buy_count {
        previous_value
        pct_change
        current_value
      }
      sell_volume {
        previous_value
        pct_change
        current_value
      }
      volume_usd {
        previous_value
        pct_change
        current_value
      }
      buy_volume {
        previous_value
        pct_change
        current_value
      }
      swap_count {
        previous_value
        pct_change
        current_value
      }
      unique_buyers {
        previous_value
        pct_change
        current_value
      }
    }
    market_cap
    quote_rate
    last_24hr {
      volume {
        previous_value
        pct_change
        current_value
      }
      unique_sellers {
        previous_value
        pct_change
        current_value
      }
      sell_count {
        previous_value
        pct_change
        current_value
      }
      price {
        previous_value
        pct_change
        current_value
      }
      buy_count {
        previous_value
        pct_change
        current_value
      }
      sell_volume {
        previous_value
        pct_change
        current_value
      }
      volume_usd {
        previous_value
        pct_change
        current_value
      }
      buy_volume {
        previous_value
        pct_change
        current_value
      }
      swap_count {
        previous_value
        pct_change
        current_value
      }
      unique_buyers {
        previous_value
        pct_change
        current_value
      }
    }
    last_1hr {
      volume {
        previous_value
        pct_change
        current_value
      }
      unique_sellers {
        previous_value
        pct_change
        current_value
      }
      sell_count {
        previous_value
        pct_change
        current_value
      }
      price {
        previous_value
        pct_change
        current_value
      }
      buy_count {
        previous_value
        pct_change
        current_value
      }
      sell_volume {
        previous_value
        pct_change
        current_value
      }
      volume_usd {
        previous_value
        pct_change
        current_value
      }
      buy_volume {
        previous_value
        pct_change
        current_value
      }
      swap_count {
        previous_value
        pct_change
        current_value
      }
      unique_buyers {
        previous_value
        pct_change
        current_value
      }
    }
    quote_rate_usd
    sender
    quote_token {
      contract_name
      contract_address
      contract_decimals
      contract_ticker_symbol
    }
    id
    chain_name
    direction
    timestamp
  }
}

​
Response Format

Here’s an example of the response data structure: 
{
  "data": {
    "updatePairs": {
      "chain_name": "BASE_MAINNET",
      "pair_address": "0x9c087Eb773291e50CF6c6a90ef0F4500e349B903",
      "timestamp": "2025-08-13T12:34:56Z",
      "quote_rate": 0.0002962,
      "quote_rate_usd": 1.39,
      "market_cap": 1250000.50,
      "liquidity": 850000.25,
      "base_token": {
        "contract_name": "Virtual",
        "contract_ticker_symbol": "VIRTUAL",
        "contract_address": "0x0b3e328455c4059EEb9e3f84b5543F74E24e7E1b",
        "contract_decimals": 18
      },
      "quote_token": {
        "contract_name": "Wrapped Ether",
        "contract_ticker_symbol": "WETH",
        "contract_address": "0x4200000000000000000000000000000000000006",
        "contract_decimals": 18
      },
      "last_5m": {
        "price": {
          "current_value": 1.39,
          "previous_value": 1.37,
          "pct_change": 1.46
        },
        "swap_count": {
          "current_value": 10,
          "previous_value": 8,
          "pct_change": 25.0
        },
        "volume_usd": {
          "current_value": 975.52,
          "previous_value": 820.10,
          "pct_change": 18.95
        }
      },
      "last_1hr": {
        "price": {
          "current_value": 1.39,
          "previous_value": 1.36,
          "pct_change": 2.21
        },
        "swap_count": {
          "current_value": 100,
          "previous_value": 85,
          "pct_change": 17.65
        },
        "volume_usd": {
          "current_value": 12500.00,
          "previous_value": 10200.00,
          "pct_change": 22.55
        }
      }
    }
  }
}

​
Field Descriptions

​
trader
string
Address of the trader who initiated the swap
​
liquidity
float
Total liquidity in the pool
​
pair_address
string
The address of the DEX pair
​
base_token
object
Information about the base token in the pairType: TokenContractMetadata
​
last_5m
object
Aggregated trading metrics for the last 5 minutesType: TimeframeMetrics
​
last_6hr
object
Aggregated trading metrics for the last 6 hoursType: TimeframeMetrics
​
market_cap
float
Market capitalization of the token pair
​
quote_rate
float
Exchange rate between base and quote tokens
​
last_24hr
object
Aggregated trading metrics for the last 24 hoursType: TimeframeMetrics
​
last_1hr
object
Aggregated trading metrics for the last 1 hourType: TimeframeMetrics
​
quote_rate_usd
float
Exchange rate between base and quote tokens in USD
​
sender
string
Address that sent the transaction
​
quote_token
object
Information about the quote token in the pairType: TokenContractMetadata
​
id
string
Unique identifier for this swap event
​
chain_name
enum
The blockchain network where the pair existsType: ChainName
​
direction
string
Swap direction: buy or sell
​
timestamp
string
Timestamp of the latest swap (ISO-8601)