Create order

Create a new order to enter into a market

POST /v1/orders

Create order

cURL

curl --request POST \
  --url https://api.polymarket.us/v1/orders \
  --header 'Content-Type: application/json' \
  --data '
{
  "market_slug": "<string>",
  "quantity": 123,
  "participateDontInitiate": true,
  "goodTillTime": "<string>",
  "synchronousExecution": true,
  "maxBlockTime": "<string>"
}
'

import requests

url = "https://api.polymarket.us/v1/orders"

payload = {
    "market_slug": "<string>",
    "quantity": 123,
    "participateDontInitiate": True,
    "goodTillTime": "<string>",
    "synchronousExecution": True,
    "maxBlockTime": "<string>"
}
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({
    market_slug: '<string>',
    quantity: 123,
    participateDontInitiate: true,
    goodTillTime: '<string>',
    synchronousExecution: true,
    maxBlockTime: '<string>'
  })
};

fetch('https://api.polymarket.us/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.polymarket.us/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([
    'market_slug' => '<string>',
    'quantity' => 123,
    'participateDontInitiate' => true,
    'goodTillTime' => '<string>',
    'synchronousExecution' => true,
    'maxBlockTime' => '<string>'
  ]),
  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.polymarket.us/v1/orders"

	payload := strings.NewReader("{\n  \"market_slug\": \"<string>\",\n  \"quantity\": 123,\n  \"participateDontInitiate\": true,\n  \"goodTillTime\": \"<string>\",\n  \"synchronousExecution\": true,\n  \"maxBlockTime\": \"<string>\"\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.polymarket.us/v1/orders")
  .header("Content-Type", "application/json")
  .body("{\n  \"market_slug\": \"<string>\",\n  \"quantity\": 123,\n  \"participateDontInitiate\": true,\n  \"goodTillTime\": \"<string>\",\n  \"synchronousExecution\": true,\n  \"maxBlockTime\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.polymarket.us/v1/orders")

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  \"market_slug\": \"<string>\",\n  \"quantity\": 123,\n  \"participateDontInitiate\": true,\n  \"goodTillTime\": \"<string>\",\n  \"synchronousExecution\": true,\n  \"maxBlockTime\": \"<string>\"\n}"

response = http.request(request)
puts response.read_body

200

{
  "id": "<string>",
  "executions": [
    {
      "id": "<string>",
      "order": {
        "id": "<string>",
        "market_slug": "<string>",
        "price": {
          "value": "0.55",
          "currency": "USD"
        },
        "quantity": 123,
        "cumQuantity": 123,
        "leavesQuantity": 123,
        "goodTillTime": "2023-11-07T05:31:56Z",
        "marketMetadata": {
          "slug": "<string>",
          "icon": "<string>",
          "title": "<string>",
          "outcome": "<string>",
          "eventSlug": "<string>"
        },
        "state": 123,
        "avgPx": {
          "value": "0.55",
          "currency": "USD"
        },
        "insertTime": "2023-11-07T05:31:56Z",
        "createTime": "2023-11-07T05:31:56Z"
      },
      "lastShares": "<string>",
      "lastPx": {
        "value": "0.55",
        "currency": "USD"
      },
      "type": 123,
      "text": "<string>",
      "orderRejectReason": 123,
      "transactTime": "2023-11-07T05:31:56Z",
      "tradeId": "<string>",
      "aggressor": true
    }
  ]
}

Body

application/json

Request to create a new order

market_slug · string · required

Market slug to place order in

intent · enum<integer> · required

Intent of the order: 1 = BUY_YES, 2 = SELL_YES, 3 = BUY_NO, 4 = SELL_NO

Available options: 1, 2, 3, 4

type · enum<integer>

Type of order: 1 = LIMIT, 2 = MARKET

Available options: 1, 2

price · object

Order price (required for limit orders)

Show child attributes

quantity · number<double>

Order quantity in shares

tif · enum<integer>

Time in force: 1 = GTC (Good Till Cancel), 2 = GTD (Good Till Date), 3 = IOC (Immediate or Cancel), 4 = FOK (Fill or Kill)

Available options: 1, 2, 3, 4

participateDontInitiate · boolean

If true, order must rest on book (maker only)

goodTillTime · string

Expiration time for GTD orders

cashOrderQty · object

Order quantity in cash (for market orders)

Show child attributes

manualOrderIndicator · enum<integer>

Indicates whether the order was placed manually or automatically: 1 = MANUAL, 2 = AUTOMATIC

Available options: 1, 2

synchronousExecution · boolean

If true, wait for order execution before returning

maxBlockTime · string<int64>

Max wait time in seconds for synchronous execution

Response

200

application/json

Order created successfully

id · string

Created order ID

executions · object[]

Executions if synchronous execution was requested

Show child attributes