PolymarketDocumentation/docs/trading/bridge/quote.md

Documentation Index

Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt Use this file to discover all available pages before exploring further.

Quote

Preview fees and estimated output for deposits and withdrawals

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

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": "0xC011a7E12a19f7B1f670d46F03B03f3342E82DFB"
  }'

Request Parameters

Parameter	Type	Description
fromAmountBaseUnit	string	Amount to send in base units (e.g., "10000000" for 10 USDC)
fromChainId	string	Source chain ID (e.g., "137" for Polygon)
fromTokenAddress	string	Token contract address on the source chain
recipientAddress	string	Destination wallet address to receive funds
toChainId	string	Destination chain ID
toTokenAddress	string	Token contract address on the destination chain

Response

The quote response includes:

Field	Type	Description
estCheckoutTimeMs	number	Estimated checkout time in milliseconds
estInputUsd	number	Estimated input value in USD
estOutputUsd	number	Estimated output value in USD
estToTokenBaseUnit	string	Estimated output amount in base units
quoteId	string	Unique identifier for this quote
estFeeBreakdown	object	Detailed fee breakdown (see below)

Fee Breakdown

The estFeeBreakdown object contains:

Gas fee in USD Label of the app fee App fee as a percentage of the total amount App fee in USD Fill cost as a percentage of the total amount Fill cost in USD Maximum potential slippage as a percentage Minimum amount received after slippage Swap impact as a percentage of the total amount Swap impact in USD Total impact as a percentage of the total amount Total impact cost in USD Quotes are estimates. Actual amounts may vary slightly due to market conditions.

Next Steps

Execute a deposit to Polymarket. Withdraw from Polymarket to another chain.