Get a quote

Get an estimated quote for a deposit or withdrawal, including output amounts, checkout time, and a detailed fee breakdown.

Use Cases:

• Preview fees and estimated output before executing a deposit or withdrawal
• Compare costs across different token/chain combinations
• Get the quoteId to reference this specific quote

Notes:

• Quotes are estimates and actual amounts may vary slightly due to market conditions
• See /supported-assets for a list of all supported chains and tokens

POST /quote

Get a quote

cURL

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

200

Example

{
  "estCheckoutTimeMs": 25000,
  "estFeeBreakdown": {
    "appFeeLabel": "Fun.xyz fee",
    "appFeePercent": 0,
    "appFeeUsd": 0,
    "fillCostPercent": 0,
    "fillCostUsd": 0,
    "gasUsd": 0.003854,
    "maxSlippage": 0,
    "minReceived": 14.488305,
    "swapImpact": 0,
    "swapImpactUsd": 0,
    "totalImpact": 0,
    "totalImpactUsd": 0
  },
  "estInputUsd": 14.488305,
  "estOutputUsd": 14.488305,
  "estToTokenBaseUnit": "14491203",
  "quoteId": "0x00c34ba467184b0146406d62b0e60aaa24ed52460bd456222b6155a0d9de0ad5"
}

Body

application/json

fromAmountBaseUnit · string · required

Amount of tokens to send

Example:

"10000000"

fromChainId · string · required

Source Chain ID

Example:

"137"

fromTokenAddress · string · required

Source token address

Example:

"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359"

recipientAddress · string · required

Address of the recipient

Example:

"0x17eC161f126e82A8ba337f4022d574DBEaFef575"

toChainId · string · required

Destination Chain ID

Example:

"137"

toTokenAddress · string · required

Destination token address

Example:

"0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174"

Response

200

application/json

Quote retrieved successfully

estCheckoutTimeMs · integer

Estimated time to complete the checkout in milliseconds

Example:

25000

estFeeBreakdown · object

Breakdown of the estimated fees

Show child attributes

estInputUsd · number

Estimated token amount received in USD

Example:

14.488305

estOutputUsd · number

Estimated token amount sent in USD

Example:

14.488305

estToTokenBaseUnit · string

Estimated token amount received

Example:

"14491203"

quoteId · string

Unique quote id of the request

Example:

"0x00c34ba467184b0146406d62b0e60aaa24ed52460bd456222b6155a0d9de0ad5"