curl --request GET \
  --url https://api.messari.io/metrics/v2/protocols/liquid-staking \
  --header 'X-Messari-API-Key: <api-key>'

import requests

url = "https://api.messari.io/metrics/v2/protocols/liquid-staking"

headers = {"X-Messari-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-Messari-API-Key': '<api-key>'}};

fetch('https://api.messari.io/metrics/v2/protocols/liquid-staking', 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.messari.io/metrics/v2/protocols/liquid-staking",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-Messari-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"
	"net/http"
	"io"
)

func main() {

	url := "https://api.messari.io/metrics/v2/protocols/liquid-staking"

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

	req.Header.Add("X-Messari-API-Key", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.messari.io/metrics/v2/protocols/liquid-staking")
  .header("X-Messari-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.messari.io/metrics/v2/protocols/liquid-staking")

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

request = Net::HTTP::Get.new(url)
request["X-Messari-API-Key"] = '<api-key>'

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

{
  "error": null,
  "data": {
    "data": [
      {
        "id": "3ee3418e-ab75-475c-b153-aeba3752478e",
        "name": "Lido DAO",
        "slug": "lido-dao",
        "activity": {
          "tvl24HourUsd": 27771852708.52703,
          "activeAddresses24Hour": 1214,
          "fees24HourUsd": 0
        },
        "liquidStaking": {
          "feesSupplySide24HourUsd": 0,
          "tokenIncentives24HourUsd": 0,
          "expenses24HourUsd": 0,
          "treasuryUsd": 183520913.96075812,
          "costOfRevenue": 0,
          "grossProfit24HourUsd": 0,
          "treasuryNetUsd": 117594498.4617727,
          "assetsStaked": 27771852708.52703,
          "coreDevelopers": 42,
          "codeCommits": 0
        }
      },
      {
        "id": "972a998c-4976-40b7-a992-b529ae5efdf7",
        "name": "Rocket Pool",
        "slug": "rocket-pool",
        "activity": {
          "tvl24HourUsd": 1829224362.9859767,
          "activeAddresses24Hour": 375,
          "fees24HourUsd": null
        },
        "liquidStaking": {
          "feesSupplySide24HourUsd": null,
          "tokenIncentives24HourUsd": null,
          "expenses24HourUsd": null,
          "treasuryUsd": 120681.520871516,
          "costOfRevenue": null,
          "grossProfit24HourUsd": null,
          "treasuryNetUsd": 91582.94670048608,
          "assetsStaked": 1829224362.9859767,
          "coreDevelopers": 5,
          "codeCommits": 1
        }
      },
      {
        "id": "24bc547e-1ac9-44e1-a949-532cfd170d3c",
        "name": "Marinade Finance",
        "slug": "marinade-finance",
        "activity": {
          "tvl24HourUsd": 1177013171.7241077,
          "activeAddresses24Hour": 34,
          "fees24HourUsd": 749.2759221080784
        },
        "liquidStaking": {
          "feesSupplySide24HourUsd": 749.2759221080784,
          "tokenIncentives24HourUsd": null,
          "expenses24HourUsd": null,
          "treasuryUsd": null,
          "costOfRevenue": null,
          "grossProfit24HourUsd": null,
          "treasuryNetUsd": null,
          "assetsStaked": 1168477566.6726246,
          "coreDevelopers": 5,
          "codeCommits": 0
        }
      },
      {
        "id": "ccd26836-a02e-450f-8602-3f3c84f6a4c2",
        "name": "StakeWise",
        "slug": "stakewise",
        "activity": {
          "tvl24HourUsd": 1126162214.2716472,
          "activeAddresses24Hour": 89,
          "fees24HourUsd": 58552.80527727412
        },
        "liquidStaking": {
          "feesSupplySide24HourUsd": 55625.165013410406,
          "tokenIncentives24HourUsd": 0,
          "expenses24HourUsd": 0,
          "treasuryUsd": null,
          "costOfRevenue": null,
          "grossProfit24HourUsd": 2927.640263863706,
          "treasuryNetUsd": null,
          "assetsStaked": 1126162214.2716472,
          "coreDevelopers": 6,
          "codeCommits": 0
        }
      },
      {
        "id": "9c3a0182-30c7-4210-9d00-ee5c26abdb26",
        "name": "Stader",
        "slug": "stader",
        "activity": {
          "tvl24HourUsd": 453409948.1448596,
          "activeAddresses24Hour": 61,
          "fees24HourUsd": 0
        },
        "liquidStaking": {
          "feesSupplySide24HourUsd": 0,
          "tokenIncentives24HourUsd": null,
          "expenses24HourUsd": null,
          "treasuryUsd": null,
          "costOfRevenue": null,
          "grossProfit24HourUsd": null,
          "treasuryNetUsd": null,
          "assetsStaked": 453409948.1448596,
          "coreDevelopers": 3,
          "codeCommits": 0
        }
      }
    ],
    "metadata": {
      "pageSize": 100,
      "page": 1,
      "totalRows": 7,
      "totalPages": 1
    }
  }
}

{
  "data": "<unknown>",
  "error": "<string>"
}

{
  "data": "<unknown>",
  "error": "<string>"
}

{
  "data": "<unknown>",
  "error": "<string>"
}