Skip to main content
POST
/
api
/
users
/
{userId}
/
withdraw
curl -X POST \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "venue": "polymarket",
    "amount": "100.00",
    "destinationAddress": "0x9876543210abcdef9876543210abcdef98765432",
    "chain": "polygon"
  }' \
  "https://trade.predexon.com/api/users/550e8400-e29b-41d4-a716-446655440000/withdraw"

{
  "transactionHash": "0x1234567890abcdef...",
  "amount": "100.00",
  "destinationAddress": "0x9876543210abcdef9876543210abcdef98765432",
  "chain": "polygon",
  "status": "completed"
}
For a complete walkthrough, see the Funding & Withdrawals guide.
curl -X POST \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "venue": "polymarket",
    "amount": "100.00",
    "destinationAddress": "0x9876543210abcdef9876543210abcdef98765432",
    "chain": "polygon"
  }' \
  "https://trade.predexon.com/api/users/550e8400-e29b-41d4-a716-446655440000/withdraw"

{
  "transactionHash": "0x1234567890abcdef...",
  "amount": "100.00",
  "destinationAddress": "0x9876543210abcdef9876543210abcdef98765432",
  "chain": "polygon",
  "status": "completed"
}

​
Request Body

FieldTypeRequiredDescription
venuestringYes"polymarket" or "predict"
amountstringYesAmount to withdraw (decimal string)
destinationAddressstringYesTarget wallet address (0x…)
chainstringYes"polygon" (Polymarket) or "bsc" (Predict)

​
Venue and Chain Combinations

VenueChainStablecoinAddress Format
polymarketpolygonUSDC.eEthereum-style (0x…)
predictbscUSDT (BEP-20)Ethereum-style (0x…)
Ensure the destination address matches the chain. Sending to the wrong address format may result in lost funds.

​
Before Withdrawing

1

Cancel open orders (Predict)

Predict locks collateral for open buy orders. Use Cancel All Orders to release locked USDT before withdrawing. Polymarket does not lock funds for limit orders.
2

Check available balance

Use Get Balance to verify available funds.
3

Withdraw

Call this endpoint with the withdrawal details.
Withdrawal transactions are processed on-chain and may take a few seconds to confirm.

Authorizations

​
x-api-key
string
header
required

Path Parameters

​
userId
string
required

Unique identifier for the user

Body

application/json
​
venue
enum<string>
required

Source venue

Available options:
polymarket,
predict
​
amount
string
required

Amount to withdraw (e.g., "100.00")

​
destinationAddress
string
required

Recipient wallet address (must match chain format)

​
chain
enum<string>
required

Destination chain (polygon for Polymarket, bsc for Predict)

Available options:
polygon,
bsc

Response

Withdrawal completed

​
transactionHash
string

Blockchain transaction hash for the withdrawal

​
amount
string

Amount withdrawn (USDC.e for Polymarket, USDT for Predict)

​
destinationAddress
string

Recipient wallet address

​
chain
string

Destination chain

​
status
string

Withdrawal status: completed