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POST
/
swap_7702
Create swap EIP 7702 calldata
curl --request POST \
  --url https://trade-api.gateway.uniswap.org/v1/swap_7702 \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "quote": {
    "input": {
      "token": "<string>",
      "amount": "<string>"
    },
    "output": {
      "token": "<string>",
      "amount": "<string>",
      "recipient": "<string>"
    },
    "swapper": "<string>",
    "chainId": 1,
    "slippage": 123,
    "tradeType": "EXACT_INPUT",
    "gasFee": "<string>",
    "gasFeeUSD": "<string>",
    "gasFeeQuote": "<string>",
    "route": [
      [
        {
          "type": "v2-pool",
          "address": "<string>",
          "tokenIn": {
            "address": "<string>",
            "chainId": 1,
            "symbol": "ETH",
            "decimals": "<string>",
            "buyFeeBps": "<string>",
            "sellFeeBps": "<string>"
          },
          "tokenOut": {
            "address": "<string>",
            "chainId": 1,
            "symbol": "ETH",
            "decimals": "<string>",
            "buyFeeBps": "<string>",
            "sellFeeBps": "<string>"
          },
          "reserve0": {
            "token": {
              "address": "<string>",
              "chainId": 1,
              "symbol": "ETH",
              "decimals": "<string>",
              "buyFeeBps": "<string>",
              "sellFeeBps": "<string>"
            },
            "quotient": "<string>"
          },
          "reserve1": {
            "token": {
              "address": "<string>",
              "chainId": 1,
              "symbol": "ETH",
              "decimals": "<string>",
              "buyFeeBps": "<string>",
              "sellFeeBps": "<string>"
            },
            "quotient": "<string>"
          },
          "amountIn": "<string>",
          "amountOut": "<string>"
        }
      ]
    ],
    "portionBips": 123,
    "portionAmount": "<string>",
    "portionRecipient": "<string>",
    "routeString": "<string>",
    "quoteId": "<string>",
    "gasUseEstimate": "<string>",
    "blockNumber": "<string>",
    "gasPrice": "<string>",
    "maxFeePerGas": "<string>",
    "maxPriorityFeePerGas": "<string>",
    "txFailureReasons": [
      "SIMULATION_ERROR"
    ],
    "priceImpact": 123,
    "aggregatedOutputs": [
      {
        "token": "<string>",
        "amount": "<string>",
        "recipient": "<string>",
        "bps": 123,
        "minAmount": "<string>"
      }
    ]
  },
  "permitData": {
    "domain": {},
    "values": {},
    "types": {}
  },
  "smartContractDelegationAddress": "<string>",
  "includeGasInfo": false,
  "deadline": 123,
  "urgency": "urgent",
  "simulateTransaction": true
}
'
{
  "requestId": "<string>",
  "swap": {
    "to": "<string>",
    "from": "<string>",
    "data": "<string>",
    "value": "<string>",
    "chainId": 1,
    "gasLimit": "<string>",
    "maxFeePerGas": "<string>",
    "maxPriorityFeePerGas": "<string>",
    "gasPrice": "<string>"
  },
  "gasFee": "<string>"
}

Authorizations

​
x-api-key
string
header
required

Headers

​
x-universal-router-version
enum<string>
default:2.0

The version of the Universal Router to use for the swap journey. MUST be consistent throughout the API calls.

Available options:
1.2,
2.0
​
x-erc20eth-enabled
boolean
default:false

Enable native ETH input support for UniswapX via ERC20-ETH (EIP-7914). When set to true and tokenIn is the native currency address (e.g. 0x0000000000000000000000000000000000000000), the API may return UniswapX routes that spend native ETH for supported wallets.

Body

application/json
​
quote
Classic Quote · object
required
​
permitData
object

the permit2 message object for the customer to sign to permit spending by the permit2 contract.

​
smartContractDelegationAddress
string
​
includeGasInfo
boolean
default:false
​
deadline
number

The unix timestamp at which the order will be reverted if not filled.

​
urgency
enum<string>
default:urgent

The urgency impacts the estimated gas price of the transaction. The higher the urgency, the higher the gas price, and the faster the transaction is likely to be selected from the mempool. The default value is urgent.

Available options:
normal,
fast,
urgent
​
simulateTransaction
boolean

Response

Create 7702 swap successful.

​
requestId
string
required

A unique ID for the request.

​
swap
object
required
​
gasFee
string

The total estimated gas cost of this transaction (eg. gasLimit multiplied by maxFeePerGas) in the base unit of the chain.