TWAP cancel
curl --request POST \
--url https://api.hyperliquid.xyz/exchange \
--header 'Content-Type: application/json' \
--data '
{
"action": {
"type": "twapCancel",
"a": 0,
"t": 12345
},
"nonce": 1705234567890,
"signature": {
"r": "0x0000000000000000000000000000000000000000000000000000000000000000",
"s": "0x0000000000000000000000000000000000000000000000000000000000000000",
"v": 27
},
"vaultAddress": null
}
'import requests
url = "https://api.hyperliquid.xyz/exchange"
payload = {
"action": {
"type": "twapCancel",
"a": 0,
"t": 12345
},
"nonce": 1705234567890,
"signature": {
"r": "0x0000000000000000000000000000000000000000000000000000000000000000",
"s": "0x0000000000000000000000000000000000000000000000000000000000000000",
"v": 27
},
"vaultAddress": None
}
headers = {"Content-Type": "application/json"}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
action: {type: 'twapCancel', a: 0, t: 12345},
nonce: 1705234567890,
signature: {
r: '0x0000000000000000000000000000000000000000000000000000000000000000',
s: '0x0000000000000000000000000000000000000000000000000000000000000000',
v: 27
},
vaultAddress: null
})
};
fetch('https://api.hyperliquid.xyz/exchange', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.hyperliquid.xyz/exchange",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'action' => [
'type' => 'twapCancel',
'a' => 0,
't' => 12345
],
'nonce' => 1705234567890,
'signature' => [
'r' => '0x0000000000000000000000000000000000000000000000000000000000000000',
's' => '0x0000000000000000000000000000000000000000000000000000000000000000',
'v' => 27
],
'vaultAddress' => null
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.hyperliquid.xyz/exchange"
payload := strings.NewReader("{\n \"action\": {\n \"type\": \"twapCancel\",\n \"a\": 0,\n \"t\": 12345\n },\n \"nonce\": 1705234567890,\n \"signature\": {\n \"r\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"s\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"v\": 27\n },\n \"vaultAddress\": null\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.hyperliquid.xyz/exchange")
.header("Content-Type", "application/json")
.body("{\n \"action\": {\n \"type\": \"twapCancel\",\n \"a\": 0,\n \"t\": 12345\n },\n \"nonce\": 1705234567890,\n \"signature\": {\n \"r\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"s\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"v\": 27\n },\n \"vaultAddress\": null\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.hyperliquid.xyz/exchange")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"action\": {\n \"type\": \"twapCancel\",\n \"a\": 0,\n \"t\": 12345\n },\n \"nonce\": 1705234567890,\n \"signature\": {\n \"r\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"s\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"v\": 27\n },\n \"vaultAddress\": null\n}"
response = http.request(request)
puts response.read_body{
"status": "<string>",
"response": {}
}Hyperliquid node API
twapCancel | Hyperliquid exchange
Cancels an active TWAP order by its ID. twapCancel JSON-RPC method available on the Hyperliquid exchange blockchain via Chainstack.
POST
/
exchange
TWAP cancel
curl --request POST \
--url https://api.hyperliquid.xyz/exchange \
--header 'Content-Type: application/json' \
--data '
{
"action": {
"type": "twapCancel",
"a": 0,
"t": 12345
},
"nonce": 1705234567890,
"signature": {
"r": "0x0000000000000000000000000000000000000000000000000000000000000000",
"s": "0x0000000000000000000000000000000000000000000000000000000000000000",
"v": 27
},
"vaultAddress": null
}
'import requests
url = "https://api.hyperliquid.xyz/exchange"
payload = {
"action": {
"type": "twapCancel",
"a": 0,
"t": 12345
},
"nonce": 1705234567890,
"signature": {
"r": "0x0000000000000000000000000000000000000000000000000000000000000000",
"s": "0x0000000000000000000000000000000000000000000000000000000000000000",
"v": 27
},
"vaultAddress": None
}
headers = {"Content-Type": "application/json"}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
action: {type: 'twapCancel', a: 0, t: 12345},
nonce: 1705234567890,
signature: {
r: '0x0000000000000000000000000000000000000000000000000000000000000000',
s: '0x0000000000000000000000000000000000000000000000000000000000000000',
v: 27
},
vaultAddress: null
})
};
fetch('https://api.hyperliquid.xyz/exchange', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.hyperliquid.xyz/exchange",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'action' => [
'type' => 'twapCancel',
'a' => 0,
't' => 12345
],
'nonce' => 1705234567890,
'signature' => [
'r' => '0x0000000000000000000000000000000000000000000000000000000000000000',
's' => '0x0000000000000000000000000000000000000000000000000000000000000000',
'v' => 27
],
'vaultAddress' => null
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.hyperliquid.xyz/exchange"
payload := strings.NewReader("{\n \"action\": {\n \"type\": \"twapCancel\",\n \"a\": 0,\n \"t\": 12345\n },\n \"nonce\": 1705234567890,\n \"signature\": {\n \"r\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"s\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"v\": 27\n },\n \"vaultAddress\": null\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.hyperliquid.xyz/exchange")
.header("Content-Type", "application/json")
.body("{\n \"action\": {\n \"type\": \"twapCancel\",\n \"a\": 0,\n \"t\": 12345\n },\n \"nonce\": 1705234567890,\n \"signature\": {\n \"r\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"s\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"v\": 27\n },\n \"vaultAddress\": null\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.hyperliquid.xyz/exchange")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"action\": {\n \"type\": \"twapCancel\",\n \"a\": 0,\n \"t\": 12345\n },\n \"nonce\": 1705234567890,\n \"signature\": {\n \"r\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"s\": \"0x0000000000000000000000000000000000000000000000000000000000000000\",\n \"v\": 27\n },\n \"vaultAddress\": null\n}"
response = http.request(request)
puts response.read_body{
"status": "<string>",
"response": {}
}You can only use this endpoint on the official Hyperliquid public API. It is not available through Chainstack, as the open-source node implementation does not support it yet. See Hyperliquid methods for the full availability breakdown.
This endpoint requires signature authentication. See our comprehensive Authentication via Signatures guide for implementation details.
Get your own node endpoint todayStart for free and get your app to production levels immediately. No credit card required.You can sign up with your GitHub, X, Google, or Microsoft account.
Parameters
Required parameters
action(object, required) — The action object containing:type(string) — Must be"twapCancel"a(integer) — Asset indext(integer) — TWAP order ID to cancel
nonce(number, required) — Current timestamp in milliseconds (must be recent)signature(object, required) — EIP-712 signature of the action
Optional parameters
vaultAddress(string, optional) — Address when trading on behalf of a vault or subaccount
Returns
Returns an object with the action status:status—"ok"if request processedresponse— Contains action result data
Example request
curl -X POST https://api.hyperliquid.xyz/exchange \
-H "Content-Type: application/json" \
-d '{
"action": {"type": "twapCancel"},
"nonce": 1234567890123,
"signature": {...}
}'
import * as hl from "@nktkas/hyperliquid";
import { privateKeyToAccount } from "viem/accounts";
// Public Hyperliquid mainnet endpoint (default transport)
const wallet = privateKeyToAccount("0x..."); // viem or ethers account
const transport = new hl.HttpTransport();
const client = new hl.ExchangeClient({ transport, wallet });
// Cancel an active TWAP order by asset ID (a) and TWAP order ID (t)
const result = await client.twapCancel({
a: 0, // asset index
t: 1, // TWAP order ID to cancel
});
console.log(result);
# Note: the official hyperliquid-python-sdk does not expose a twapCancel
# helper yet, so build and post the signed action directly.
from hyperliquid.exchange import Exchange
from hyperliquid.utils import constants
from hyperliquid.utils.signing import sign_l1_action, get_timestamp_ms
import eth_account
# Public Hyperliquid mainnet endpoint
wallet = eth_account.Account.from_key("0x...") # your private key
exchange = Exchange(wallet, constants.MAINNET_API_URL)
timestamp = get_timestamp_ms()
action = {
"type": "twapCancel",
"a": 0, # asset index
"t": 1, # TWAP order ID to cancel
}
signature = sign_l1_action(
wallet,
action,
None, # vault_address
timestamp,
None, # expires_after
exchange.base_url == constants.MAINNET_API_URL,
)
result = exchange._post_action(action, signature, timestamp)
print(result)
Use case
- TWAP cancel — Cancels an active TWAP order by its ID.
Always ensure your system clock is synchronized. Nonce must be within a reasonable time window of the current server time or the request will be rejected.
Body
application/json
Last modified on June 24, 2026
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