curl --request POST \
  --url https://api.prod.polymarketexchange.com/v1/refdata/instruments \
  --header 'Content-Type: application/json' \
  --data '
{
  "pageSize": 123,
  "pageToken": "<string>",
  "symbols": [
    "<string>"
  ],
  "productId": "<string>",
  "states": [],
  "eventSeries": "<string>",
  "eventCategory": "<string>",
  "clearingSym": "<string>",
  "startTimeGte": "<string>",
  "startTimeLte": "<string>",
  "endTimeGte": "<string>",
  "endTimeLte": "<string>",
  "filter": {
    "whereClause": "<string>",
    "fieldFilters": [
      {
        "field": "<string>",
        "stringValue": "<string>",
        "stringList": {
          "values": [
            "<string>"
          ]
        }
      }
    ]
  }
}
'

import requests

url = "https://api.prod.polymarketexchange.com/v1/refdata/instruments"

payload = {
    "pageSize": 123,
    "pageToken": "<string>",
    "symbols": ["<string>"],
    "productId": "<string>",
    "states": [],
    "eventSeries": "<string>",
    "eventCategory": "<string>",
    "clearingSym": "<string>",
    "startTimeGte": "<string>",
    "startTimeLte": "<string>",
    "endTimeGte": "<string>",
    "endTimeLte": "<string>",
    "filter": {
        "whereClause": "<string>",
        "fieldFilters": [
            {
                "field": "<string>",
                "stringValue": "<string>",
                "stringList": { "values": ["<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({
    pageSize: 123,
    pageToken: '<string>',
    symbols: ['<string>'],
    productId: '<string>',
    states: [],
    eventSeries: '<string>',
    eventCategory: '<string>',
    clearingSym: '<string>',
    startTimeGte: '<string>',
    startTimeLte: '<string>',
    endTimeGte: '<string>',
    endTimeLte: '<string>',
    filter: {
      whereClause: '<string>',
      fieldFilters: [
        {field: '<string>', stringValue: '<string>', stringList: {values: ['<string>']}}
      ]
    }
  })
};

fetch('https://api.prod.polymarketexchange.com/v1/refdata/instruments', 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.prod.polymarketexchange.com/v1/refdata/instruments",
  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([
    'pageSize' => 123,
    'pageToken' => '<string>',
    'symbols' => [
        '<string>'
    ],
    'productId' => '<string>',
    'states' => [
        
    ],
    'eventSeries' => '<string>',
    'eventCategory' => '<string>',
    'clearingSym' => '<string>',
    'startTimeGte' => '<string>',
    'startTimeLte' => '<string>',
    'endTimeGte' => '<string>',
    'endTimeLte' => '<string>',
    'filter' => [
        'whereClause' => '<string>',
        'fieldFilters' => [
                [
                                'field' => '<string>',
                                'stringValue' => '<string>',
                                'stringList' => [
                                                                'values' => [
                                                                                                                                '<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.prod.polymarketexchange.com/v1/refdata/instruments"

	payload := strings.NewReader("{\n  \"pageSize\": 123,\n  \"pageToken\": \"<string>\",\n  \"symbols\": [\n    \"<string>\"\n  ],\n  \"productId\": \"<string>\",\n  \"states\": [],\n  \"eventSeries\": \"<string>\",\n  \"eventCategory\": \"<string>\",\n  \"clearingSym\": \"<string>\",\n  \"startTimeGte\": \"<string>\",\n  \"startTimeLte\": \"<string>\",\n  \"endTimeGte\": \"<string>\",\n  \"endTimeLte\": \"<string>\",\n  \"filter\": {\n    \"whereClause\": \"<string>\",\n    \"fieldFilters\": [\n      {\n        \"field\": \"<string>\",\n        \"stringValue\": \"<string>\",\n        \"stringList\": {\n          \"values\": [\n            \"<string>\"\n          ]\n        }\n      }\n    ]\n  }\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.prod.polymarketexchange.com/v1/refdata/instruments")
  .header("Content-Type", "application/json")
  .body("{\n  \"pageSize\": 123,\n  \"pageToken\": \"<string>\",\n  \"symbols\": [\n    \"<string>\"\n  ],\n  \"productId\": \"<string>\",\n  \"states\": [],\n  \"eventSeries\": \"<string>\",\n  \"eventCategory\": \"<string>\",\n  \"clearingSym\": \"<string>\",\n  \"startTimeGte\": \"<string>\",\n  \"startTimeLte\": \"<string>\",\n  \"endTimeGte\": \"<string>\",\n  \"endTimeLte\": \"<string>\",\n  \"filter\": {\n    \"whereClause\": \"<string>\",\n    \"fieldFilters\": [\n      {\n        \"field\": \"<string>\",\n        \"stringValue\": \"<string>\",\n        \"stringList\": {\n          \"values\": [\n            \"<string>\"\n          ]\n        }\n      }\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.prod.polymarketexchange.com/v1/refdata/instruments")

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  \"pageSize\": 123,\n  \"pageToken\": \"<string>\",\n  \"symbols\": [\n    \"<string>\"\n  ],\n  \"productId\": \"<string>\",\n  \"states\": [],\n  \"eventSeries\": \"<string>\",\n  \"eventCategory\": \"<string>\",\n  \"clearingSym\": \"<string>\",\n  \"startTimeGte\": \"<string>\",\n  \"startTimeLte\": \"<string>\",\n  \"endTimeGte\": \"<string>\",\n  \"endTimeLte\": \"<string>\",\n  \"filter\": {\n    \"whereClause\": \"<string>\",\n    \"fieldFilters\": [\n      {\n        \"field\": \"<string>\",\n        \"stringValue\": \"<string>\",\n        \"stringList\": {\n          \"values\": [\n            \"<string>\"\n          ]\n        }\n      }\n    ]\n  }\n}"

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

{
  "instruments": [
    {
      "symbol": "<string>",
      "tickSize": 123,
      "baseCurrency": "<string>",
      "multiplier": 123,
      "minimumTradeQty": "<string>",
      "startDate": {
        "year": 123,
        "month": 123,
        "day": 123
      },
      "expirationDate": {
        "year": 123,
        "month": 123,
        "day": 123
      },
      "terminationDate": {
        "year": 123,
        "month": 123,
        "day": 123
      },
      "tradingSchedule": [
        {
          "daysOfWeek": [
            123
          ],
          "timeOfDay": {
            "hours": 123,
            "minutes": 123,
            "seconds": 123
          },
          "duration": "<string>",
          "hideMarketData": true,
          "expireAllOrders": true
        }
      ],
      "description": "<string>",
      "clearingHouse": "<string>",
      "minimumUnaffiliatedFirms": "<string>",
      "nonTradable": true,
      "jsonAttributes": "<string>",
      "productId": "<string>",
      "priceLimit": {
        "low": "<string>",
        "high": "<string>",
        "lowSet": true,
        "highSet": true,
        "relativeLow": 123,
        "relativeHigh": 123,
        "relativeLowSet": true,
        "relativeHighSet": true
      },
      "orderSizeLimit": {
        "low": "<string>",
        "high": "<string>",
        "lowSet": true,
        "highSet": true,
        "totalNotionalLow": "<string>",
        "totalNotionalHigh": "<string>",
        "totalNotionalLowSet": true,
        "totalNotionalHighSet": true
      },
      "expirationTime": {
        "hours": 123,
        "minutes": 123,
        "seconds": 123
      },
      "tradeSettlementPeriod": "<string>",
      "priceScale": "<string>",
      "fractionalQtyScale": "<string>",
      "settlementCurrency": "<string>",
      "settlementPriceScale": "<string>",
      "metadata": {},
      "eventAttributes": {
        "question": "<string>",
        "payoutValue": "<string>",
        "eventDisplayName": "<string>",
        "eventId": "<string>",
        "strikeValue": "<string>",
        "evaluationType": "<string>",
        "strikeUnit": "<string>",
        "calculationMethod": "<string>",
        "timeSpecifier": "<string>",
        "positionAccountabilityValue": "<string>"
      },
      "createTime": "2023-11-07T05:31:56Z",
      "updateTime": "2023-11-07T05:31:56Z"
    }
  ],
  "nextPageToken": "<string>",
  "eof": true
}