Skip to main content
POST
/
orders
Create Orders
curl --request POST \
  --url https://api.equities.polymarket.com/v1/orders \
  --header 'Content-Type: application/json' \
  --data '
{
  "op": {
    "type": "createOrders",
    "args": [
      {
        "iid": 123,
        "buy": true,
        "qty": "10.00",
        "tif": "gtc",
        "po": true,
        "ro": true,
        "p": "100.00"
      }
    ]
  },
  "sig": "0x1234567890...",
  "salt": 123,
  "ts": 1767225600000,
  "expa": 1767225600000
}
'
[
  {
    "res": "ok",
    "er": "timeout"
  }
]

Body

application/json

Order request.

​
op
object
required
​
sig
string
required

Signature in hex format

Example:

"0x1234567890..."

​
salt
integer
required

Salt

​
ts
integer
required

Server timestamp in milliseconds

Example:

1767225600000

​
expa
integer

Request will expire after this timestamp

Example:

1767225600000

Response

Order ACK response. Order result should be fetched using the get orders endpoint.

​
res
enum<string>
required

Result indicator

Available options:
ok,
err
​
er
string

Error message

Example:

"timeout"