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POST
/
withdraw
Create withdrawal addresses
curl --request POST \
  --url https://bridge.polymarket.com/withdraw \
  --header 'Content-Type: application/json' \
  --data '
{
  "address": "0x9156dd10bea4c8d7e2d591b633d1694b1d764756",
  "toChainId": "1",
  "toTokenAddress": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
  "recipientAddr": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
}
'
{
  "address": {
    "evm": "0x23566f8b2E82aDfCf01846E54899d110e97AC053",
    "svm": "CrvTBvzryYxBHbWu2TiQpcqD5M7Le7iBKzVmEj3f36Jb",
    "btc": "bc1q8eau83qffxcj8ht4hsjdza3lha9r3egfqysj3g"
  },
  "note": "Send funds to these addresses to bridge to your destination chain and token."
}

Headers

​
X-Builder-Code
string

Optional builder code (bytes32 hex) attributing this request to your integration so transfer issues can be traced to your app. Omitting it still succeeds but returns a missing_builder_code warning; a malformed code returns 400. Get your code at https://polymarket.com/settings?tab=builder

Pattern: ^0x[a-fA-F0-9]{64}$
Example:

"0x00000000000000000000000000000000000000000000000000000000abcd1234"

Body

application/json
​
address
string
required

Source Polymarket wallet address on Polygon

Pattern: ^0x[a-fA-F0-9]{40}$
Example:

"0x56687bf447db6ffa42ffe2204a05edaa20f55839"

​
toChainId
string
required

Destination chain ID (e.g., "1" for Ethereum, "8453" for Base, "1151111081099710" for Solana)

Example:

"1"

​
toTokenAddress
string
required

Destination token contract address

Example:

"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"

​
recipientAddr
string
required

Destination wallet address where funds will be sent

Example:

"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"

Response

Withdrawal addresses created successfully

​
address
object

Bridge addresses for different blockchain networks

​
note
string

Additional information about the bridge addresses

Example:

"Only certain chains and tokens are supported. See /supported-assets for details."