Create Market

POST

router

createMarket

Create market through router

curl --request POST \
  --url https://mainnet.base.org/router/createMarket \
  --header 'Content-Type: application/json' \
  --data '
{
  "creator": "<string>"
}
'

{
  "marketAddress": "<string>",
  "marketCounter": 123,
  "transactionHash": "<string>"
}

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.

Body

application/json

creator

string

required

Address of the market creator

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

Response

200 - application/json

Market created successfully through router

marketAddress

string

Address of the newly created market

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

marketCounter

integer<uint64>

Counter/ID of the created market

transactionHash

string

Transaction hash of the market creation

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

Create MarketDeploy a new market where users can take Based or Cringe positions

Create market through router

curl --request POST \
  --url https://mainnet.base.org/router/createMarket \
  --header 'Content-Type: application/json' \
  --data '
{
  "creator": "<string>"
}
'

{
  "marketAddress": "<string>",
  "marketCounter": 123,
  "transactionHash": "<string>"
}