curl --request POST \
  --url https://api.mainnet.abs.xyz/eth_getBlockByHash \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_getBlockByHash",
  "params": [
    "0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae",
    false
  ]
}
'

import requests

url = "https://api.mainnet.abs.xyz/eth_getBlockByHash"

payload = {
    "jsonrpc": "2.0",
    "id": 1,
    "method": "eth_getBlockByHash",
    "params": ["0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae", False]
}
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({
    jsonrpc: '2.0',
    id: 1,
    method: 'eth_getBlockByHash',
    params: ['0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae', false]
  })
};

fetch('https://api.mainnet.abs.xyz/eth_getBlockByHash', 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.mainnet.abs.xyz/eth_getBlockByHash",
  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([
    'jsonrpc' => '2.0',
    'id' => 1,
    'method' => 'eth_getBlockByHash',
    'params' => [
        '0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae',
        false
    ]
  ]),
  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.mainnet.abs.xyz/eth_getBlockByHash"

	payload := strings.NewReader("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"eth_getBlockByHash\",\n  \"params\": [\n    \"0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae\",\n    false\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.mainnet.abs.xyz/eth_getBlockByHash")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"eth_getBlockByHash\",\n  \"params\": [\n    \"0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae\",\n    false\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.mainnet.abs.xyz/eth_getBlockByHash")

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  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"eth_getBlockByHash\",\n  \"params\": [\n    \"0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae\",\n    false\n  ]\n}"

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "number": "0x1b4",
    "hash": "0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae",
    "parentHash": "0x59f0ff194fe56f5b5fe5436df726c0f6201ce7d6364a04361c7324cceb322a67",
    "nonce": "0x0000000000000000",
    "sha3Uncles": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
    "transactionsRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "stateRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "receiptsRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "miner": "0x0000000000000000000000000000000000000000",
    "difficulty": "0x0",
    "totalDifficulty": "0x0",
    "extraData": "0x",
    "size": "0x3e8",
    "gasLimit": "0x6691b7",
    "gasUsed": "0x5208",
    "timestamp": "0x5d9676a0",
    "transactions": [],
    "uncles": []
  }
}