curl --request GET \
  --url https://gamma-api.polymarket.com/series

import requests

url = "https://gamma-api.polymarket.com/series"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://gamma-api.polymarket.com/series', 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://gamma-api.polymarket.com/series",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://gamma-api.polymarket.com/series"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://gamma-api.polymarket.com/series")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://gamma-api.polymarket.com/series")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)

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

[
  {
    "id": "<string>",
    "ticker": "<string>",
    "slug": "<string>",
    "title": "<string>",
    "subtitle": "<string>",
    "seriesType": "<string>",
    "recurrence": "<string>",
    "description": "<string>",
    "image": "<string>",
    "icon": "<string>",
    "layout": "<string>",
    "active": true,
    "closed": true,
    "archived": true,
    "new": true,
    "featured": true,
    "restricted": true,
    "isTemplate": true,
    "templateVariables": true,
    "publishedAt": "<string>",
    "createdBy": "<string>",
    "updatedBy": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "commentsEnabled": true,
    "competitive": "<string>",
    "volume24hr": 123,
    "volume": 123,
    "liquidity": 123,
    "startDate": "2023-11-07T05:31:56Z",
    "pythTokenID": "<string>",
    "cgAssetName": "<string>",
    "score": 123,
    "events": [
      {
        "id": "<string>",
        "ticker": "<string>",
        "slug": "<string>",
        "title": "<string>",
        "subtitle": "<string>",
        "description": "<string>",
        "resolutionSource": "<string>",
        "startDate": "2023-11-07T05:31:56Z",
        "creationDate": "2023-11-07T05:31:56Z",
        "endDate": "2023-11-07T05:31:56Z",
        "image": "<string>",
        "icon": "<string>",
        "active": true,
        "closed": true,
        "archived": true,
        "new": true,
        "featured": true,
        "restricted": true,
        "liquidity": 123,
        "volume": 123,
        "openInterest": 123,
        "sortBy": "<string>",
        "category": "<string>",
        "subcategory": "<string>",
        "isTemplate": true,
        "templateVariables": "<string>",
        "published_at": "<string>",
        "createdBy": "<string>",
        "updatedBy": "<string>",
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z",
        "commentsEnabled": true,
        "competitive": 123,
        "volume24hr": 123,
        "volume1wk": 123,
        "volume1mo": 123,
        "volume1yr": 123,
        "featuredImage": "<string>",
        "disqusThread": "<string>",
        "parentEvent": "<string>",
        "enableOrderBook": true,
        "liquidityAmm": 123,
        "liquidityClob": 123,
        "negRisk": true,
        "negRiskMarketID": "<string>",
        "negRiskFeeBips": 123,
        "commentCount": 123,
        "imageOptimized": {
          "id": "<string>",
          "imageUrlSource": "<string>",
          "imageUrlOptimized": "<string>",
          "imageSizeKbSource": 123,
          "imageSizeKbOptimized": 123,
          "imageOptimizedComplete": true,
          "imageOptimizedLastUpdated": "<string>",
          "relID": 123,
          "field": "<string>",
          "relname": "<string>"
        },
        "iconOptimized": {
          "id": "<string>",
          "imageUrlSource": "<string>",
          "imageUrlOptimized": "<string>",
          "imageSizeKbSource": 123,
          "imageSizeKbOptimized": 123,
          "imageOptimizedComplete": true,
          "imageOptimizedLastUpdated": "<string>",
          "relID": 123,
          "field": "<string>",
          "relname": "<string>"
        },
        "featuredImageOptimized": {
          "id": "<string>",
          "imageUrlSource": "<string>",
          "imageUrlOptimized": "<string>",
          "imageSizeKbSource": 123,
          "imageSizeKbOptimized": 123,
          "imageOptimizedComplete": true,
          "imageOptimizedLastUpdated": "<string>",
          "relID": 123,
          "field": "<string>",
          "relname": "<string>"
        },
        "subEvents": [
          "<string>"
        ],
        "markets": [
          {
            "id": "<string>",
            "question": "<string>",
            "conditionId": "<string>",
            "slug": "<string>",
            "twitterCardImage": "<string>",
            "resolutionSource": "<string>",
            "endDate": "2023-11-07T05:31:56Z",
            "category": "<string>",
            "ammType": "<string>",
            "liquidity": "<string>",
            "sponsorName": "<string>",
            "sponsorImage": "<string>",
            "startDate": "2023-11-07T05:31:56Z",
            "xAxisValue": "<string>",
            "yAxisValue": "<string>",
            "denominationToken": "<string>",
            "fee": "<string>",
            "image": "<string>",
            "icon": "<string>",
            "lowerBound": "<string>",
            "upperBound": "<string>",
            "description": "<string>",
            "outcomes": "<string>",
            "outcomePrices": "<string>",
            "volume": "<string>",
            "active": true,
            "marketType": "<string>",
            "formatType": "<string>",
            "lowerBoundDate": "<string>",
            "upperBoundDate": "<string>",
            "closed": true,
            "marketMakerAddress": "<string>",
            "createdBy": 123,
            "updatedBy": 123,
            "createdAt": "2023-11-07T05:31:56Z",
            "updatedAt": "2023-11-07T05:31:56Z",
            "closedTime": "<string>",
            "wideFormat": true,
            "new": true,
            "mailchimpTag": "<string>",
            "featured": true,
            "archived": true,
            "resolvedBy": "<string>",
            "restricted": true,
            "marketGroup": 123,
            "groupItemTitle": "<string>",
            "groupItemThreshold": "<string>",
            "questionID": "<string>",
            "umaEndDate": "<string>",
            "enableOrderBook": true,
            "orderPriceMinTickSize": 123,
            "orderMinSize": 123,
            "umaResolutionStatus": "<string>",
            "curationOrder": 123,
            "volumeNum": 123,
            "liquidityNum": 123,
            "endDateIso": "<string>",
            "startDateIso": "<string>",
            "umaEndDateIso": "<string>",
            "hasReviewedDates": true,
            "readyForCron": true,
            "commentsEnabled": true,
            "volume24hr": 123,
            "volume1wk": 123,
            "volume1mo": 123,
            "volume1yr": 123,
            "gameStartTime": "<string>",
            "secondsDelay": 123,
            "clobTokenIds": "<string>",
            "disqusThread": "<string>",
            "shortOutcomes": "<string>",
            "teamAID": "<string>",
            "teamBID": "<string>",
            "umaBond": "<string>",
            "umaReward": "<string>",
            "fpmmLive": true,
            "volume24hrAmm": 123,
            "volume1wkAmm": 123,
            "volume1moAmm": 123,
            "volume1yrAmm": 123,
            "volume24hrClob": 123,
            "volume1wkClob": 123,
            "volume1moClob": 123,
            "volume1yrClob": 123,
            "volumeAmm": 123,
            "volumeClob": 123,
            "liquidityAmm": 123,
            "liquidityClob": 123,
            "makerBaseFee": 123,
            "takerBaseFee": 123,
            "customLiveness": 123,
            "acceptingOrders": true,
            "notificationsEnabled": true,
            "score": 123,
            "imageOptimized": {
              "id": "<string>",
              "imageUrlSource": "<string>",
              "imageUrlOptimized": "<string>",
              "imageSizeKbSource": 123,
              "imageSizeKbOptimized": 123,
              "imageOptimizedComplete": true,
              "imageOptimizedLastUpdated": "<string>",
              "relID": 123,
              "field": "<string>",
              "relname": "<string>"
            },
            "iconOptimized": {
              "id": "<string>",
              "imageUrlSource": "<string>",
              "imageUrlOptimized": "<string>",
              "imageSizeKbSource": 123,
              "imageSizeKbOptimized": 123,
              "imageOptimizedComplete": true,
              "imageOptimizedLastUpdated": "<string>",
              "relID": 123,
              "field": "<string>",
              "relname": "<string>"
            },
            "events": "<array>",
            "categories": [
              {
                "id": "<string>",
                "label": "<string>",
                "parentCategory": "<string>",
                "slug": "<string>",
                "publishedAt": "<string>",
                "createdBy": "<string>",
                "updatedBy": "<string>",
                "createdAt": "2023-11-07T05:31:56Z",
                "updatedAt": "2023-11-07T05:31:56Z"
              }
            ],
            "tags": [
              {
                "id": "<string>",
                "label": "<string>",
                "slug": "<string>",
                "forceShow": true,
                "publishedAt": "<string>",
                "createdBy": 123,
                "updatedBy": 123,
                "createdAt": "2023-11-07T05:31:56Z",
                "updatedAt": "2023-11-07T05:31:56Z",
                "forceHide": true,
                "isCarousel": true
              }
            ],
            "creator": "<string>",
            "ready": true,
            "funded": true,
            "pastSlugs": "<string>",
            "readyTimestamp": "2023-11-07T05:31:56Z",
            "fundedTimestamp": "2023-11-07T05:31:56Z",
            "acceptingOrdersTimestamp": "2023-11-07T05:31:56Z",
            "competitive": 123,
            "rewardsMinSize": 123,
            "rewardsMaxSpread": 123,
            "spread": 123,
            "automaticallyResolved": true,
            "oneDayPriceChange": 123,
            "oneHourPriceChange": 123,
            "oneWeekPriceChange": 123,
            "oneMonthPriceChange": 123,
            "oneYearPriceChange": 123,
            "lastTradePrice": 123,
            "bestBid": 123,
            "bestAsk": 123,
            "automaticallyActive": true,
            "clearBookOnStart": true,
            "chartColor": "<string>",
            "seriesColor": "<string>",
            "showGmpSeries": true,
            "showGmpOutcome": true,
            "manualActivation": true,
            "negRiskOther": true,
            "gameId": "<string>",
            "groupItemRange": "<string>",
            "sportsMarketType": "<string>",
            "line": 123,
            "umaResolutionStatuses": "<string>",
            "pendingDeployment": true,
            "deploying": true,
            "deployingTimestamp": "2023-11-07T05:31:56Z",
            "scheduledDeploymentTimestamp": "2023-11-07T05:31:56Z",
            "rfqEnabled": true,
            "eventStartTime": "2023-11-07T05:31:56Z",
            "feesEnabled": true,
            "feeSchedule": {
              "exponent": 123,
              "rate": 123,
              "takerOnly": true,
              "rebateRate": 123
            }
          }
        ],
        "series": "<array>",
        "categories": [
          {
            "id": "<string>",
            "label": "<string>",
            "parentCategory": "<string>",
            "slug": "<string>",
            "publishedAt": "<string>",
            "createdBy": "<string>",
            "updatedBy": "<string>",
            "createdAt": "2023-11-07T05:31:56Z",
            "updatedAt": "2023-11-07T05:31:56Z"
          }
        ],
        "collections": [
          {
            "id": "<string>",
            "ticker": "<string>",
            "slug": "<string>",
            "title": "<string>",
            "subtitle": "<string>",
            "collectionType": "<string>",
            "description": "<string>",
            "tags": "<string>",
            "image": "<string>",
            "icon": "<string>",
            "headerImage": "<string>",
            "layout": "<string>",
            "active": true,
            "closed": true,
            "archived": true,
            "new": true,
            "featured": true,
            "restricted": true,
            "isTemplate": true,
            "templateVariables": "<string>",
            "publishedAt": "<string>",
            "createdBy": "<string>",
            "updatedBy": "<string>",
            "createdAt": "2023-11-07T05:31:56Z",
            "updatedAt": "2023-11-07T05:31:56Z",
            "commentsEnabled": true,
            "imageOptimized": {
              "id": "<string>",
              "imageUrlSource": "<string>",
              "imageUrlOptimized": "<string>",
              "imageSizeKbSource": 123,
              "imageSizeKbOptimized": 123,
              "imageOptimizedComplete": true,
              "imageOptimizedLastUpdated": "<string>",
              "relID": 123,
              "field": "<string>",
              "relname": "<string>"
            },
            "iconOptimized": {
              "id": "<string>",
              "imageUrlSource": "<string>",
              "imageUrlOptimized": "<string>",
              "imageSizeKbSource": 123,
              "imageSizeKbOptimized": 123,
              "imageOptimizedComplete": true,
              "imageOptimizedLastUpdated": "<string>",
              "relID": 123,
              "field": "<string>",
              "relname": "<string>"
            },
            "headerImageOptimized": {
              "id": "<string>",
              "imageUrlSource": "<string>",
              "imageUrlOptimized": "<string>",
              "imageSizeKbSource": 123,
              "imageSizeKbOptimized": 123,
              "imageOptimizedComplete": true,
              "imageOptimizedLastUpdated": "<string>",
              "relID": 123,
              "field": "<string>",
              "relname": "<string>"
            }
          }
        ],
        "tags": [
          {
            "id": "<string>",
            "label": "<string>",
            "slug": "<string>",
            "forceShow": true,
            "publishedAt": "<string>",
            "createdBy": 123,
            "updatedBy": 123,
            "createdAt": "2023-11-07T05:31:56Z",
            "updatedAt": "2023-11-07T05:31:56Z",
            "forceHide": true,
            "isCarousel": true
          }
        ],
        "cyom": true,
        "closedTime": "2023-11-07T05:31:56Z",
        "showAllOutcomes": true,
        "showMarketImages": true,
        "automaticallyResolved": true,
        "enableNegRisk": true,
        "automaticallyActive": true,
        "eventDate": "<string>",
        "startTime": "2023-11-07T05:31:56Z",
        "eventWeek": 123,
        "seriesSlug": "<string>",
        "score": "<string>",
        "elapsed": "<string>",
        "period": "<string>",
        "live": true,
        "ended": true,
        "finishedTimestamp": "2023-11-07T05:31:56Z",
        "gmpChartMode": "<string>",
        "eventCreators": [
          {
            "id": "<string>",
            "creatorName": "<string>",
            "creatorHandle": "<string>",
            "creatorUrl": "<string>",
            "creatorImage": "<string>",
            "createdAt": "2023-11-07T05:31:56Z",
            "updatedAt": "2023-11-07T05:31:56Z"
          }
        ],
        "tweetCount": 123,
        "chats": [
          {
            "id": "<string>",
            "channelId": "<string>",
            "channelName": "<string>",
            "channelImage": "<string>",
            "live": true,
            "startTime": "2023-11-07T05:31:56Z",
            "endTime": "2023-11-07T05:31:56Z"
          }
        ],
        "featuredOrder": 123,
        "estimateValue": true,
        "cantEstimate": true,
        "estimatedValue": "<string>",
        "templates": [
          {
            "id": "<string>",
            "eventTitle": "<string>",
            "eventSlug": "<string>",
            "eventImage": "<string>",
            "marketTitle": "<string>",
            "description": "<string>",
            "resolutionSource": "<string>",
            "negRisk": true,
            "sortBy": "<string>",
            "showMarketImages": true,
            "seriesSlug": "<string>",
            "outcomes": "<string>"
          }
        ],
        "spreadsMainLine": 123,
        "totalsMainLine": 123,
        "carouselMap": "<string>",
        "pendingDeployment": true,
        "deploying": true,
        "deployingTimestamp": "2023-11-07T05:31:56Z",
        "scheduledDeploymentTimestamp": "2023-11-07T05:31:56Z",
        "gameStatus": "<string>"
      }
    ],
    "collections": [
      {
        "id": "<string>",
        "ticker": "<string>",
        "slug": "<string>",
        "title": "<string>",
        "subtitle": "<string>",
        "collectionType": "<string>",
        "description": "<string>",
        "tags": "<string>",
        "image": "<string>",
        "icon": "<string>",
        "headerImage": "<string>",
        "layout": "<string>",
        "active": true,
        "closed": true,
        "archived": true,
        "new": true,
        "featured": true,
        "restricted": true,
        "isTemplate": true,
        "templateVariables": "<string>",
        "publishedAt": "<string>",
        "createdBy": "<string>",
        "updatedBy": "<string>",
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z",
        "commentsEnabled": true,
        "imageOptimized": {
          "id": "<string>",
          "imageUrlSource": "<string>",
          "imageUrlOptimized": "<string>",
          "imageSizeKbSource": 123,
          "imageSizeKbOptimized": 123,
          "imageOptimizedComplete": true,
          "imageOptimizedLastUpdated": "<string>",
          "relID": 123,
          "field": "<string>",
          "relname": "<string>"
        },
        "iconOptimized": {
          "id": "<string>",
          "imageUrlSource": "<string>",
          "imageUrlOptimized": "<string>",
          "imageSizeKbSource": 123,
          "imageSizeKbOptimized": 123,
          "imageOptimizedComplete": true,
          "imageOptimizedLastUpdated": "<string>",
          "relID": 123,
          "field": "<string>",
          "relname": "<string>"
        },
        "headerImageOptimized": {
          "id": "<string>",
          "imageUrlSource": "<string>",
          "imageUrlOptimized": "<string>",
          "imageSizeKbSource": 123,
          "imageSizeKbOptimized": 123,
          "imageOptimizedComplete": true,
          "imageOptimizedLastUpdated": "<string>",
          "relID": 123,
          "field": "<string>",
          "relname": "<string>"
        }
      }
    ],
    "categories": [
      {
        "id": "<string>",
        "label": "<string>",
        "parentCategory": "<string>",
        "slug": "<string>",
        "publishedAt": "<string>",
        "createdBy": "<string>",
        "updatedBy": "<string>",
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z"
      }
    ],
    "tags": [
      {
        "id": "<string>",
        "label": "<string>",
        "slug": "<string>",
        "forceShow": true,
        "publishedAt": "<string>",
        "createdBy": 123,
        "updatedBy": 123,
        "createdAt": "2023-11-07T05:31:56Z",
        "updatedAt": "2023-11-07T05:31:56Z",
        "forceHide": true,
        "isCarousel": true
      }
    ],
    "commentCount": 123,
    "chats": [
      {
        "id": "<string>",
        "channelId": "<string>",
        "channelName": "<string>",
        "channelImage": "<string>",
        "live": true,
        "startTime": "2023-11-07T05:31:56Z",
        "endTime": "2023-11-07T05:31:56Z"
      }
    ]
  }
]