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POST
/
workflows
/
polymarket
/
sellPosition
Sell Position
curl --request POST \
  --url https://api-v2.swaps.xyz/api/workflows/polymarket/sellPosition \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "evmEoa": "0xB9519a08267d7B259eCA6DbD8F7286B1f176A41f",
  "side": "SELL",
  "tokenID": "90234889617199443673709150877675264662915727532354468551650133547723659310093",
  "orderType": "FAK",
  "tickSize": "0.01",
  "negRisk": true,
  "amount": 2,
  "feeRateBps": 0,
  "slippage": 100
}
'
{
  "txId": "0xa66c86a47f4f81caae5d767e2d8a5a7def1a191d24eba5bd49f8767297cfe2e5",
  "orderResponse": {
    "success": true,
    "errorMsg": "",
    "orderID": "0xb9826fe87ddf21261eceaf513977cb5ea1ae31ac173210857c879cef936dfa2b",
    "transactionsHashes": [
      "0x39ac6726cf2cfb7814bdb2e04aeeea1d3bde2d1ce7e357f79a404cacb6984f35"
    ],
    "status": "matched",
    "takingAmount": "1.376",
    "makingAmount": "2"
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.swaps.xyz/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
x-api-key
string
header
required

Limited demo key for API Reference: 5c951bc81da566bbd030ba8e20724063.

Body

application/json
​
evmEoa
string
required

EVM address (wallet address)

Pattern: ^0x[a-fA-F0-9]{40}$
​
side
enum<string>
required

Order side - must be SELL

Available options:
SELL
​
tokenID
string
required

Polymarket CLOB token ID of the position to sell

​
orderType
enum<string>
required

Order type - Fill-Or-Kill (FOK) or Fill-And-Kill (FAK) for market orders

Available options:
FOK,
FAK
​
tickSize
string
required

Tick size from the market details (e.g., '0.01')

​
negRisk
boolean
required

Negative risk flag from the market details

​
amount
number
required

Amount of tokens to sell (must be a positive number)

​
proxyWallet
string

Proxy wallet address (optional)

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

Fee rate in basis points (optional, defaults to 0)

​
slippage
number

Slippage tolerance in basis points (optional, defaults to 0)

​
dstToken
object

Optional destination token. When set, sale proceeds are swapped into this token (address + chainId) before delivery.

​
dstWalletAddress
string

Optional wallet that receives the proceeds. When set, expiration and signatureByEvmEoa become required — see the Polymarket Signing Guide.

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

Unix timestamp (seconds) when signatureByEvmEoa expires. Must be in the future and ≤ 300s ahead.

​
signatureByEvmEoa
string

EIP-712 signature by the EOA over the SellPosition typed data. Required when dstWalletAddress is set. See the Polymarket Signing Guide.

Pattern: ^0x[a-fA-F0-9]*$

Response

Position sold successfully

​
txId
string

Transaction ID

​
orderResponse
object