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POST
/
cancel
Cancel Orders
curl --request POST \
  --url https://api.equities.polymarket.com/v1/cancel \
  --header 'Content-Type: application/json' \
  --data '
{
  "op": {
    "type": "cancelOrders",
    "args": [
      1,
      2,
      3
    ]
  },
  "sig": "0x1234567890...",
  "salt": 123,
  "ts": 1767225600000,
  "expa": 1767225600000
}
'
[
  {
    "res": "ok",
    "er": "timeout"
  }
]

Body

application/json

Cancel 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

Cancel response.

​
res
enum<string>
required

Result indicator

Available options:
ok,
err
​
er
string

Error message

Example:

"timeout"