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POST
/
kalshi
/
order
/
limit
{
  "success": true,
  "orderId": "<string>",
  "status": "<string>",
  "message": "<string>"
}

Body

application/json
​
chain
enum<string>
required

Chain to execute the action on; one of: base, bsc

Available options:
base,
bsc
Example:

"base"

​
marketId
string
required

ID of the market to buy/sell in

Example:

"PRES-2024"

​
number
number
required

Number of contracts

Required range: x > 0
Example:

100

​
priceUusdc
number
required

Price per contract in µUSDC (1-1000000)

Required range: 1 <= x <= 1000000
Example:

750000

​
action
enum<string>
required

Action to execute

Available options:
buy,
sell
Example:

"buy"

​
side
enum<string>
required

Side of the market (yes or no)

Available options:
yes,
no
Example:

"yes"

​
userAddress
string
required

User wallet address

Example:

"0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266"

​
signature
string
required

EIP-712 signature from the user authorizing the order

Example:

"0x..."

​
expiry
number
required

Unix timestamp when the authorization expires

Example:

1234567890

Response

Order placed successfully

​
success
boolean
required
​
orderId
string
required
​
status
string
required
​
message
string