Place order (legacy EIP-712 flow)
curl --request POST \
--url https://api.vatic.trading/api/v1/orders \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"walletId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"tokenId": "<string>",
"price": 0.5,
"size": 2
}
'import requests
url = "https://api.vatic.trading/api/v1/orders"
payload = {
"walletId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"tokenId": "<string>",
"price": 0.5,
"size": 2
}
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: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
tokenId: '<string>',
price: 0.5,
size: 2
})
};
fetch('https://api.vatic.trading/api/v1/orders', 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/orders",
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' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
'tokenId' => '<string>',
'price' => 0.5,
'size' => 2
]),
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/orders"
payload := strings.NewReader("{\n \"walletId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"tokenId\": \"<string>\",\n \"price\": 0.5,\n \"size\": 2\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/orders")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"walletId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"tokenId\": \"<string>\",\n \"price\": 0.5,\n \"size\": 2\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.vatic.trading/api/v1/orders")
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\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"tokenId\": \"<string>\",\n \"price\": 0.5,\n \"size\": 2\n}"
response = http.request(request)
puts response.read_body{
"ok": true,
"orderId": "0xabc...",
"status": "matched",
"safeAddress": "0x...",
"order": {
"tokenId": "...",
"side": "BUY",
"price": 0.5,
"size": 10,
"makerAmount": "10000000",
"takerAmount": "20000000"
}
}Orders
Place Order (Legacy)
Submits a Polymarket CLOB limit order using the legacy EIP-712 signing flow. Prefer /api/v1/simpleOrders/createLimitOrder for new integrations.
POST
/
api
/
v1
/
orders
Place order (legacy EIP-712 flow)
curl --request POST \
--url https://api.vatic.trading/api/v1/orders \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"walletId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"tokenId": "<string>",
"price": 0.5,
"size": 2
}
'import requests
url = "https://api.vatic.trading/api/v1/orders"
payload = {
"walletId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"tokenId": "<string>",
"price": 0.5,
"size": 2
}
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: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
tokenId: '<string>',
price: 0.5,
size: 2
})
};
fetch('https://api.vatic.trading/api/v1/orders', 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/orders",
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' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
'tokenId' => '<string>',
'price' => 0.5,
'size' => 2
]),
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/orders"
payload := strings.NewReader("{\n \"walletId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"tokenId\": \"<string>\",\n \"price\": 0.5,\n \"size\": 2\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/orders")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"walletId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"tokenId\": \"<string>\",\n \"price\": 0.5,\n \"size\": 2\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.vatic.trading/api/v1/orders")
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\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n \"tokenId\": \"<string>\",\n \"price\": 0.5,\n \"size\": 2\n}"
response = http.request(request)
puts response.read_body{
"ok": true,
"orderId": "0xabc...",
"status": "matched",
"safeAddress": "0x...",
"order": {
"tokenId": "...",
"side": "BUY",
"price": 0.5,
"size": 10,
"makerAmount": "10000000",
"takerAmount": "20000000"
}
}Authorizations
Required for order endpoints. Obtain your API key from the Vatic dashboard.
Body
application/json
Response
Order submitted
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