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POST
/
market
/
{marketAddress}
/
sell
Sell position in market
curl --request POST \
  --url https://mainnet.base.org/market/{marketAddress}/sell \
  --header 'Content-Type: application/json' \
  --data '{
  "user": "<string>",
  "amount": 2,
  "isBased": true,
  "minAmountReceived": 1
}'
{
  "transactionHash": "<string>",
  "blockNumber": 123,
  "gasUsed": 123,
  "success": true
}
This is a smart contract write function. The curl example shown is for illustration. To call this function, use web3 libraries (ethers.js, viem, web3.py) or JSON-RPC directly.

Path Parameters

​
marketAddress
string
required

Address of the market contract

Body

application/json
​
user
string
required

Address whose position will be sold

​
amount
integer
required

Size of the position to sell

Required range: x >= 1
​
isBased
boolean
required

Whether selling Based (true) or Cringe (false) position

​
minAmountReceived
integer
required

Minimum amount of USD to receive (slippage protection)

Required range: x >= 0

Response

Position sold successfully

​
transactionHash
string

Transaction hash

​
blockNumber
integer

Block number where transaction was mined

​
gasUsed
integer

Amount of gas used

​
success
boolean

Whether transaction was successful

⌘I