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Get an estimated quote before executing a deposit or withdrawal. Quotes include estimated output amounts, checkout time, and a detailed fee breakdown.

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Get a Quote

curl -X POST https://bridge.polymarket.com/quote \
  -H "Content-Type: application/json" \
  -d '{
    "fromAmountBaseUnit": "10000000",
    "fromChainId": "137",
    "fromTokenAddress": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "recipientAddress": "0x17eC161f126e82A8ba337f4022d574DBEaFef575",
    "toChainId": "137",
    "toTokenAddress": "0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174"
  }'

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Request Parameters

ParameterTypeDescription
fromAmountBaseUnitstringAmount to send in base units (e.g., "10000000" for 10 USDC)
fromChainIdstringSource chain ID (e.g., "137" for Polygon)
fromTokenAddressstringToken contract address on the source chain
recipientAddressstringDestination wallet address to receive funds
toChainIdstringDestination chain ID
toTokenAddressstringToken contract address on the destination chain

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Response

The quote response includes:
FieldTypeDescription
estCheckoutTimeMsnumberEstimated checkout time in milliseconds
estInputUsdnumberEstimated input value in USD
estOutputUsdnumberEstimated output value in USD
estToTokenBaseUnitstringEstimated output amount in base units
quoteIdstringUnique identifier for this quote
estFeeBreakdownobjectDetailed fee breakdown (see below)

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Fee Breakdown

The estFeeBreakdown object contains:
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gasUsd
number
Gas fee in USD
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appFeeLabel
string
Label of the app fee
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appFeePercent
number
App fee as a percentage of the total amount
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appFeeUsd
number
App fee in USD
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fillCostPercent
number
Fill cost as a percentage of the total amount
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fillCostUsd
number
Fill cost in USD
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maxSlippage
number
Maximum potential slippage as a percentage
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minReceived
number
Minimum amount received after slippage
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swapImpact
number
Swap impact as a percentage of the total amount
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swapImpactUsd
number
Swap impact in USD
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totalImpact
number
Total impact as a percentage of the total amount
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totalImpactUsd
number
Total impact cost in USD
Quotes are estimates. Actual amounts may vary slightly due to market conditions.

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Next Steps

Create Deposit

Execute a deposit to Polymarket.

Withdraw

Withdraw from Polymarket to another chain.