Get quote for token swap

Retrieves a quote for swapping tokens with fusion mode. Returns preset configurations, slippage parameters, and a unique quote ID for order building.

GEThttps://api.1inch.com/fusion/quoter/v2.0/{chain}/quote/receive
Supported on:
EthereumBaseSolanaBNB ChainPolygonLineaSonicUnichainArbitrumAvalancheZKsyncGnosisOptimism

Parameters

chain
* number path
enableEstimate
* boolean query
Enable estimation from 1inch pathfinder and generate quote ID. Set to true to enable order building
fee
integer query
Partner fee in basis points (bps). 100 bps = 1%. Requires fee receiver to be configured
isPermit2
boolean query
Whether the permit is in Permit2 format (Uniswap Permit2 standard)
permit
string query
EIP-2612 permit signature for gasless token approval (hex string)
walletAddress
* string query
Ethereum address of the wallet or contract that will create and sign the Fusion order
amount
* string query
Amount of source token to swap (in token's smallest unit, e.g., wei for ETH)
toTokenAddress
* string query
Destination token contract address (ERC20 or native token wrapper)
fromTokenAddress
* string query
Source token contract address (ERC20 or native token wrapper)

Request Body

This request doesn’t have any request body.

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const axios = require('axios');

async function httpCall() {
  const url = 'https://api.1inch.com/fusion/quoter/v2.0/{chain}/quote/receive';

  const config = {
    headers: {
      Authorization: `Bearer ${API_KEY}`,
    },
    params: {
      permit: '0x',
      walletAddress: '0x0000000000000000000000000000000000000000',
      amount: '100000000000000000',
      toTokenAddress: '0x6b175474e89094c44da98b954eedeac495271d0f',
      fromTokenAddress: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
    },
    paramsSerializer: {
      indexes: null,
    },
  };
  const body = {};

  try {
    const response = await axios.get(url, body, config);
    console.log(response.data);
  } catch (error) {
    console.error(error);
  }
}

Returns

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404
500
GetQuoteOutput object
Quote response containing swap parameters, presets, and pricing information for creating a Fusion order
quoteId
* object
Current generated quote id, should be passed with order
fromTokenAmount
* string
Amount of source token to swap
toTokenAmount
* string
Expected amount of destination token to receive
feeToken
* object
Destination token address
fee
*ResolverFee object
Resolver fee configuration including receiver address and basis points
receiver
* string
Resolver fee receiver
bps
* number
Resolver fee bps
whitelistDiscountPercent
* number
Discount percentage for whitelisted resolvers
integratorFee
* number
Integrator fee in basis points
integratorFeeReceiver
string
Address of integrator fee receiver
integratorFeeShare
* number
Integrator fee share. How much percent from charged fee goes to integrator (rest is sent to protocol). In percents
presets
* any
Various preset types which user can choose when using Fusion
allOf[0]
QuotePresetsClass object
Collection of preset configurations for different execution strategies
fast
* any
Fast preset type
allOf[0]
PresetClass object
Auction preset configuration with timing, amounts, and execution parameters
bankFee
* string
Bank fee amount in token units
auctionDuration
* number
Duration of the auction in seconds
startAuctionIn
* number
Delay before auction starts in seconds
initialRateBump
* number
Initial rate bump percentage (in basis points)
auctionStartAmount
* string
Starting amount for the auction
startAmount
* string
auction start amount taking into account gas bump
auctionEndAmount
* string
Ending amount for the auction
exclusiveResolver
* object
Address of exclusive resolver, if any
tokenFee
* string
Token fee amount
estP
* number
Estimated probability of execution
points
* array
Auction price curve points
items
AuctionPointClass object
Point in the auction price curve defining rate changes over time
delay
* number
Delay in seconds from previous point or auction start time
coefficient
* number
Rate bump coefficient from order min taker amount
allowPartialFills
* boolean
Whether partial fills are allowed
allowMultipleFills
* boolean
Whether multiple fills are allowed
gasCost
*GasCostConfigClass object
Gas cost estimation parameters for order execution
gasBumpEstimate
* number
Estimated gas bump for execution
gasPriceEstimate
* string
Estimated gas price in wei
medium
* any
Medium preset type
allOf[0]
PresetClass object
Auction preset configuration with timing, amounts, and execution parameters
bankFee
* string
Bank fee amount in token units
auctionDuration
* number
Duration of the auction in seconds
startAuctionIn
* number
Delay before auction starts in seconds
initialRateBump
* number
Initial rate bump percentage (in basis points)
auctionStartAmount
* string
Starting amount for the auction
startAmount
* string
auction start amount taking into account gas bump
auctionEndAmount
* string
Ending amount for the auction
exclusiveResolver
* object
Address of exclusive resolver, if any
tokenFee
* string
Token fee amount
estP
* number
Estimated probability of execution
points
* array
Auction price curve points
items
AuctionPointClass object
Point in the auction price curve defining rate changes over time
delay
* number
Delay in seconds from previous point or auction start time
coefficient
* number
Rate bump coefficient from order min taker amount
allowPartialFills
* boolean
Whether partial fills are allowed
allowMultipleFills
* boolean
Whether multiple fills are allowed
gasCost
*GasCostConfigClass object
Gas cost estimation parameters for order execution
gasBumpEstimate
* number
Estimated gas bump for execution
gasPriceEstimate
* string
Estimated gas price in wei
slow
* any
Slow preset type
allOf[0]
PresetClass object
Auction preset configuration with timing, amounts, and execution parameters
bankFee
* string
Bank fee amount in token units
auctionDuration
* number
Duration of the auction in seconds
startAuctionIn
* number
Delay before auction starts in seconds
initialRateBump
* number
Initial rate bump percentage (in basis points)
auctionStartAmount
* string
Starting amount for the auction
startAmount
* string
auction start amount taking into account gas bump
auctionEndAmount
* string
Ending amount for the auction
exclusiveResolver
* object
Address of exclusive resolver, if any
tokenFee
* string
Token fee amount
estP
* number
Estimated probability of execution
points
* array
Auction price curve points
items
AuctionPointClass object
Point in the auction price curve defining rate changes over time
delay
* number
Delay in seconds from previous point or auction start time
coefficient
* number
Rate bump coefficient from order min taker amount
allowPartialFills
* boolean
Whether partial fills are allowed
allowMultipleFills
* boolean
Whether multiple fills are allowed
gasCost
*GasCostConfigClass object
Gas cost estimation parameters for order execution
gasBumpEstimate
* number
Estimated gas bump for execution
gasPriceEstimate
* string
Estimated gas price in wei
custom
any
Custom preset type
allOf[0]
PresetClass object
Auction preset configuration with timing, amounts, and execution parameters
bankFee
* string
Bank fee amount in token units
auctionDuration
* number
Duration of the auction in seconds
startAuctionIn
* number
Delay before auction starts in seconds
initialRateBump
* number
Initial rate bump percentage (in basis points)
auctionStartAmount
* string
Starting amount for the auction
startAmount
* string
auction start amount taking into account gas bump
auctionEndAmount
* string
Ending amount for the auction
exclusiveResolver
* object
Address of exclusive resolver, if any
tokenFee
* string
Token fee amount
estP
* number
Estimated probability of execution
points
* array
Auction price curve points
items
AuctionPointClass object
Point in the auction price curve defining rate changes over time
delay
* number
Delay in seconds from previous point or auction start time
coefficient
* number
Rate bump coefficient from order min taker amount
allowPartialFills
* boolean
Whether partial fills are allowed
allowMultipleFills
* boolean
Whether multiple fills are allowed
gasCost
*GasCostConfigClass object
Gas cost estimation parameters for order execution
gasBumpEstimate
* number
Estimated gas bump for execution
gasPriceEstimate
* string
Estimated gas price in wei
settlementAddress
* string
settlement contract address
nativeOrderFactoryAddress
string
Factory for native order submission, only present when src asset is native
nativeOrderImplAddress
string
Implementation for `nativeOrderFactoryAddress`, only present when src asset is native
whitelist
* array
current executors whitelist addresses
items
string
fast
medium
slow
custom
suggested
* boolean
is it suggested to use Fusion
prices
*TokenPairValue object
Token pair prices in various currencies
usd
*PairCurrencyValue object
Token pair price values in a specific currency
fromToken
* string
Price or volume of the source token
toToken
* string
Price or volume of the destination token
volume
*TokenPairValue object
Token pair prices in various currencies
usd
*PairCurrencyValue object
Token pair price values in a specific currency
fromToken
* string
Price or volume of the source token
toToken
* string
Price or volume of the destination token
source
string
Server-resolved source tracking code. SDK clients should use this for order building.
surplusFee
* number
Surplus fee in percent
JSON
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{
  "quoteId": null,
  "fromTokenAmount": "string",
  "toTokenAmount": "string",
  "feeToken": null,
  "fee": {
    "receiver": "string",
    "bps": 0,
    "whitelistDiscountPercent": 0
  },
  "integratorFee": 0,
  "integratorFeeReceiver": "string",
  "integratorFeeShare": 0,
  "presets": {
    "fast": {
      "bankFee": "string",
      "auctionDuration": 0,
      "startAuctionIn": 0,
      "initialRateBump": 0,
      "auctionStartAmount": "string",
      "startAmount": "string",
      "auctionEndAmount": "string",
      "exclusiveResolver": null,
      "tokenFee": "string",
      "estP": 0,
      "points": [
        {
          "delay": 0,
          "coefficient": 0
        }
      ],
      "allowPartialFills": false,
      "allowMultipleFills": false,
      "gasCost": {
        "gasBumpEstimate": 0,
        "gasPriceEstimate": "string"
      }
    },
    "medium": {
      "bankFee": "string",
      "auctionDuration": 0,
      "startAuctionIn": 0,
      "initialRateBump": 0,
      "auctionStartAmount": "string",
      "startAmount": "string",
      "auctionEndAmount": "string",
      "exclusiveResolver": null,
      "tokenFee": "string",
      "estP": 0,
      "points": [
        {
          "delay": 0,
          "coefficient": 0
        }
      ],
      "allowPartialFills": false,
      "allowMultipleFills": false,
      "gasCost": {
        "gasBumpEstimate": 0,
        "gasPriceEstimate": "string"
      }
    },
    "slow": {
      "bankFee": "string",
      "auctionDuration": 0,
      "startAuctionIn": 0,
      "initialRateBump": 0,
      "auctionStartAmount": "string",
      "startAmount": "string",
      "auctionEndAmount": "string",
      "exclusiveResolver": null,
      "tokenFee": "string",
      "estP": 0,
      "points": [
        {
          "delay": 0,
          "coefficient": 0
        }
      ],
      "allowPartialFills": false,
      "allowMultipleFills": false,
      "gasCost": {
        "gasBumpEstimate": 0,
        "gasPriceEstimate": "string"
      }
    },
    "custom": {
      "bankFee": "string",
      "auctionDuration": 0,
      "startAuctionIn": 0,
      "initialRateBump": 0,
      "auctionStartAmount": "string",
      "startAmount": "string",
      "auctionEndAmount": "string",
      "exclusiveResolver": null,
      "tokenFee": "string",
      "estP": 0,
      "points": [
        {
          "delay": 0,
          "coefficient": 0
        }
      ],
      "allowPartialFills": false,
      "allowMultipleFills": false,
      "gasCost": {
        "gasBumpEstimate": 0,
        "gasPriceEstimate": "string"
      }
    }
  },
  "settlementAddress": "string",
  "nativeOrderFactoryAddress": "string",
  "nativeOrderImplAddress": "string",
  "whitelist": ["string"],
  "recommended_preset": "fast",
  "suggested": false,
  "prices": {
    "usd": {
      "fromToken": "string",
      "toToken": "string"
    }
  },
  "volume": {
    "usd": {
      "fromToken": "string",
      "toToken": "string"
    }
  },
  "source": "string",
  "surplusFee": 0
}

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