GTC limit order by token ID
curl --request POST \
--url https://api.vatic.trading/api/v1/simpleOrders/createLimitOrder \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"walletId": "550e8400-e29b-41d4-a716-446655440000",
"tokenId": "71321045679252212594626385532706912750332728571942532289631379312455583992563",
"side": "BUY",
"price": 0.45,
"size": 100
}
'import requests
url = "https://api.vatic.trading/api/v1/simpleOrders/createLimitOrder"
payload = {
"walletId": "550e8400-e29b-41d4-a716-446655440000",
"tokenId": "71321045679252212594626385532706912750332728571942532289631379312455583992563",
"side": "BUY",
"price": 0.45,
"size": 100
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
walletId: '550e8400-e29b-41d4-a716-446655440000',
tokenId: '71321045679252212594626385532706912750332728571942532289631379312455583992563',
side: 'BUY',
price: 0.45,
size: 100
})
};
fetch('https://api.vatic.trading/api/v1/simpleOrders/createLimitOrder', 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.vatic.trading/api/v1/simpleOrders/createLimitOrder",
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([
'walletId' => '550e8400-e29b-41d4-a716-446655440000',
'tokenId' => '71321045679252212594626385532706912750332728571942532289631379312455583992563',
'side' => 'BUY',
'price' => 0.45,
'size' => 100
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);
$response = curl_exec($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.vatic.trading/api/v1/simpleOrders/createLimitOrder"
payload := strings.NewReader("{\n \"walletId\": \"550e8400-e29b-41d4-a716-446655440000\",\n \"tokenId\": \"71321045679252212594626385532706912750332728571942532289631379312455583992563\",\n \"side\": \"BUY\",\n \"price\": 0.45,\n \"size\": 100\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<api-key>")
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.vatic.trading/api/v1/simpleOrders/createLimitOrder")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"walletId\": \"550e8400-e29b-41d4-a716-446655440000\",\n \"tokenId\": \"71321045679252212594626385532706912750332728571942532289631379312455583992563\",\n \"side\": \"BUY\",\n \"price\": 0.45,\n \"size\": 100\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.vatic.trading/api/v1/simpleOrders/createLimitOrder")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"walletId\": \"550e8400-e29b-41d4-a716-446655440000\",\n \"tokenId\": \"71321045679252212594626385532706912750332728571942532289631379312455583992563\",\n \"side\": \"BUY\",\n \"price\": 0.45,\n \"size\": 100\n}"
response = http.request(request)
puts response.read_body{
"ok": true,
"orderId": "0xghi...",
"status": "live",
"latencyS": 0.41,
"order": {
"tokenId": "713...",
"side": "BUY",
"price": 0.45,
"size": 100,
"negRisk": false,
"negRiskSource": "auto-detected",
"expiration": 0
}
}Simple Orders
Create Limit Order
Places a Good-Till-Cancelled (GTC) limit order on the Polymarket CLOB. negRisk is auto-detected if not provided. Optional expiration is a Unix timestamp after which the order expires (0 = never).
POST
/
api
/
v1
/
simpleOrders
/
createLimitOrder
GTC limit order by token ID
curl --request POST \
--url https://api.vatic.trading/api/v1/simpleOrders/createLimitOrder \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"walletId": "550e8400-e29b-41d4-a716-446655440000",
"tokenId": "71321045679252212594626385532706912750332728571942532289631379312455583992563",
"side": "BUY",
"price": 0.45,
"size": 100
}
'import requests
url = "https://api.vatic.trading/api/v1/simpleOrders/createLimitOrder"
payload = {
"walletId": "550e8400-e29b-41d4-a716-446655440000",
"tokenId": "71321045679252212594626385532706912750332728571942532289631379312455583992563",
"side": "BUY",
"price": 0.45,
"size": 100
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
walletId: '550e8400-e29b-41d4-a716-446655440000',
tokenId: '71321045679252212594626385532706912750332728571942532289631379312455583992563',
side: 'BUY',
price: 0.45,
size: 100
})
};
fetch('https://api.vatic.trading/api/v1/simpleOrders/createLimitOrder', 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.vatic.trading/api/v1/simpleOrders/createLimitOrder",
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([
'walletId' => '550e8400-e29b-41d4-a716-446655440000',
'tokenId' => '71321045679252212594626385532706912750332728571942532289631379312455583992563',
'side' => 'BUY',
'price' => 0.45,
'size' => 100
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);
$response = curl_exec($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.vatic.trading/api/v1/simpleOrders/createLimitOrder"
payload := strings.NewReader("{\n \"walletId\": \"550e8400-e29b-41d4-a716-446655440000\",\n \"tokenId\": \"71321045679252212594626385532706912750332728571942532289631379312455583992563\",\n \"side\": \"BUY\",\n \"price\": 0.45,\n \"size\": 100\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<api-key>")
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.vatic.trading/api/v1/simpleOrders/createLimitOrder")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"walletId\": \"550e8400-e29b-41d4-a716-446655440000\",\n \"tokenId\": \"71321045679252212594626385532706912750332728571942532289631379312455583992563\",\n \"side\": \"BUY\",\n \"price\": 0.45,\n \"size\": 100\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.vatic.trading/api/v1/simpleOrders/createLimitOrder")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"walletId\": \"550e8400-e29b-41d4-a716-446655440000\",\n \"tokenId\": \"71321045679252212594626385532706912750332728571942532289631379312455583992563\",\n \"side\": \"BUY\",\n \"price\": 0.45,\n \"size\": 100\n}"
response = http.request(request)
puts response.read_body{
"ok": true,
"orderId": "0xghi...",
"status": "live",
"latencyS": 0.41,
"order": {
"tokenId": "713...",
"side": "BUY",
"price": 0.45,
"size": 100,
"negRisk": false,
"negRiskSource": "auto-detected",
"expiration": 0
}
}Authorizations
Required for order endpoints. Obtain your API key from the Vatic dashboard.
Body
application/json
Available options:
BUY, SELL Limit price (0.01–0.99).
Required range:
0.01 <= x <= 0.99Number of shares.
Optional — auto-detected via CLOB if omitted.
Unix timestamp expiry. 0 = never expires.
Response
Limit order placed
Was this page helpful?
⌘I