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Base Chain DEX Trades API

In this section we will see how to get Base DEX trades information using our API.

This Base API is part of our Early Access Program (EAP), which is intended for evaluation purposes.

This program allows you to test the data and its integration into your applications before full-scale implementation. Read more here

Subscribe to Latest Base Trades​

This subscription will return information about the most recent trades executed on Base's DEX platforms. You can find the query here

subscription {
  EVM(network: base) {
    DEXTrades {
      Block {
        Time
      }
      Trade {
        Dex {
          ProtocolName
          ProtocolFamily
          SmartContract
        }
        Buy {
          Amount
          Buyer
          Seller
          Currency {
            Decimals
            Fungible
            HasURI
            Name
            ProtocolName
            SmartContract
            Symbol
          }
          OrderId
        }
        Sell {
          Buyer
          Seller
          Currency {
            Decimals
            Fungible
            HasURI
            Name
            ProtocolName
            SmartContract
            Symbol
          }
        }
      }
    }
  }
}




Subscribe to Latest Price of a Token in Real-time​

This query provides real-time updates on price of USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 in terms of DAI 0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb, including details about the DEX, market, and order specifics. Find the query here

subscription {
  EVM(network: base) {
    DEXTrades(
      where: {Trade: {Sell: {Currency: {SmartContract: {is: "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}}}, Buy: {Currency: {SmartContract: {is: "0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb"}}}}}
    ) {
      Block {
        Time
      }
      Trade {
        Buy {
          Amount
          Buyer
          Seller
          Price_in_terms_of_sell_currency: Price
          Currency {
            Name
            Symbol
            SmartContract
          }
        }
        Sell {
          Amount
          Buyer
          Seller
          Price_in_terms_of_buy_currency: Price
          Currency {
            Symbol
            SmartContract
            Name
          }
        }
      }
    }
  }
}



Latest USD Price of a Token​

The below query retrieves the USD price of a token on Base chain by setting SmartContract: {is: "0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb"} . Check the field PriceInUSD for the USD value. You can access the query here.

subscription {
  EVM(network: base) {
    DEXTradeByTokens(
      where: {Trade: {Currency: {SmartContract: {is: "0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb"}}}}
    ) {
      Transaction {
        Hash
      }
      Trade {
        Buyer
        AmountInUSD
        Amount
        Price
        PriceInUSD
        Seller
        Currency {
          Name
          Symbol
          SmartContract
        }
        Dex {
          ProtocolFamily
          SmartContract
          ProtocolName
        }
        Side {
          Amount
          AmountInUSD
          Buyer
          Seller
          Currency {
            Name
            SmartContract
            Symbol
          }
        }
      }
    }
  }
}