curl --request GET \
  --url 'https://beaconcha.in/api/v1/ethstore/{day}?apikey='

import requests

url = "https://beaconcha.in/api/v1/ethstore/{day}?apikey="

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://beaconcha.in/api/v1/ethstore/{day}?apikey=', 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://beaconcha.in/api/v1/ethstore/{day}?apikey=",
  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://beaconcha.in/api/v1/ethstore/{day}?apikey="

	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://beaconcha.in/api/v1/ethstore/{day}?apikey=")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://beaconcha.in/api/v1/ethstore/{day}?apikey=")

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

{
  "status": "OK",
  "data": [
    {
      "day": 435,
      "day_start": "2022-02-09T12:00:23Z",
      "day_end": "2022-02-10T12:00:23Z",
      "apr": 0.0527609790864113,
      "avgapr7d": 0.052764308760676414,
      "avgapr31d": 0.053351525019046164,
      "cl_apr": 0.0527609790864113,
      "cl_avgapr7d": 0.052764308760676414,
      "cl_avgapr31d": 0.053351525019046164,
      "el_apr": 0.0063633204373217,
      "el_avgapr7d": 0.005195252974383372,
      "el_avgapr31d": 0.005679846878640752,
      "consensus_rewards_sum_wei": 1.349850765807e+21,
      "avgconsensus_rewards7d_wei": 1.345081426021e+21,
      "avgconsensus_rewards31d_wei": 1.3378170064684515e+21,
      "tx_fees_sum_wei": 503073827859422400000,
      "avgtx_fees7d_wei": null,
      "avgtx_fees31d_wei": null,
      "deposits_sum_wei": 0,
      "effective_balances_sum_wei": 9.338256e+24,
      "start_balances_sum_wei": 9.783046761967892e+24,
      "end_balances_sum_wei": 9.7843966127337e+24,
      "total_rewards_wei": 1.349850765807e+21
    }
  ]
}

{
  "status": "ERROR: invalid day parameter",
  "data": null
}

{
  "status": "ERROR: internal server error",
  "data": null
}