curl --request POST \
  --url https://api.gelato.cloud/rpc/{chainId} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <x-api-key>' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_getUserOperationByHash",
  "params": [
    "0xa501bf1cbb27adecb09aef8adb58ab5fe423be7975d5a4f687408525e4cabee9"
  ]
}
'

import requests

url = "https://api.gelato.cloud/rpc/{chainId}"

payload = {
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_getUserOperationByHash",
    "params": ["0xa501bf1cbb27adecb09aef8adb58ab5fe423be7975d5a4f687408525e4cabee9"]
}
headers = {
    "X-API-Key": "<x-api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<x-api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    id: 1,
    jsonrpc: '2.0',
    method: 'eth_getUserOperationByHash',
    params: ['0xa501bf1cbb27adecb09aef8adb58ab5fe423be7975d5a4f687408525e4cabee9']
  })
};

fetch('https://api.gelato.cloud/rpc/{chainId}', 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.gelato.cloud/rpc/{chainId}",
  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([
    'id' => 1,
    'jsonrpc' => '2.0',
    'method' => 'eth_getUserOperationByHash',
    'params' => [
        '0xa501bf1cbb27adecb09aef8adb58ab5fe423be7975d5a4f687408525e4cabee9'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <x-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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.gelato.cloud/rpc/{chainId}"

	payload := strings.NewReader("{\n  \"id\": 1,\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"eth_getUserOperationByHash\",\n  \"params\": [\n    \"0xa501bf1cbb27adecb09aef8adb58ab5fe423be7975d5a4f687408525e4cabee9\"\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-API-Key", "<x-api-key>")
	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.gelato.cloud/rpc/{chainId}")
  .header("X-API-Key", "<x-api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"id\": 1,\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"eth_getUserOperationByHash\",\n  \"params\": [\n    \"0xa501bf1cbb27adecb09aef8adb58ab5fe423be7975d5a4f687408525e4cabee9\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gelato.cloud/rpc/{chainId}")

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

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<x-api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"id\": 1,\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"eth_getUserOperationByHash\",\n  \"params\": [\n    \"0xa501bf1cbb27adecb09aef8adb58ab5fe423be7975d5a4f687408525e4cabee9\"\n  ]\n}"

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

{
  "id": 1,
  "jsonrpc": "2.0",
  "result": {
    "userOperation": {
      "sender": "0x023fEF87894773DF227587d9B29af8D17b4dBB5A",
      "nonce": "0x1",
      "initCode": "0x",
      "callData": "0x51945447000000000000000000000000d2d3248f89fd11117496b3258db161a834dbfb0b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004d09de08a00000000000000000000000000000000000000000000000000000000",
      "signature": "0x00000000fca6490c2d85724bac088250a72fb7fb81a5a91234b1617d75d072c79d8d7db0123c1f0d9fe4708c864d89b7cca659f2554807f81339f6dcee2ba2e5ebe46b2c1b",
      "paymasterAndData": "0x",
      "callGasLimit": "0x358e",
      "verificationGasLimit": "0x148a6",
      "preVerificationGas": "0x0",
      "maxFeePerGas": "0x0",
      "maxPriorityFeePerGas": "0x5f5e100"
    },
    "entryPoint": "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789",
    "blockNumber": "0x27fb22e",
    "transactionHash": "0x0f9b0e5868beaf345d8d55895c8037ae85adb91c422c00badcdcae8a0bf247a1"
  }
}

{
  "message": "<string>"
}