PHP supports libcurl, a library created by Daniel Stenberg, that allows you to connect and communicate to many different types of servers with many different types of protocols. libcurl currently supports the http, https, ftp, gopher, telnet, dict, file, and ldap protocols. libcurl also supports HTTPS certificates, HTTP POST, HTTP PUT, FTP uploading (this can also be done with PHP's ftp extension), HTTP form based upload, proxies, cookies, and user+password authentication.

1)a simple POST image data and JSON code

cURL POST video data to server endpoint use authorization Basic with JSON data
Note Image data is base64

PHP POST Image with JSON data By cURL

<?php

if(isset($_POST["postData"]))  
{
    $ImagesData = $_POST["postImageData"]; // Get Image Data (Base64)
    $userData = json_decode($_POST["postData"]);
    $EventId = $userData->EventId;
    $UserId = $userData->UserId;
    $MimeType = $userData->Set[0]->MimeType;
    $GroupID = $userData->Set[0]->GroupID;

    $headerData = array(
        "authorization: Basic The_Password==",
        "cache-control: no-cache",
        "content-type: application/json;"
    );

    $ImageData = '
    {
        "EventId": "'.$EventId.'",
        "UserId": "'.$UserId.'",
        "Image": '.$ImagesData.'
        "Set": [
            {
                "MimeType": "'.$MimeType.'",
                "GroupID": "'.$GroupID.'",
            }
        ]
    }';

    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, 'https://Target_EndPoint/');
    curl_setopt($curl, CURLOPT_TIMEOUT, 30);
    curl_setopt($curl, CURLOPT_POST, 1);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_SAFE_UPLOAD, true);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $ImageData);
    curl_setopt($curl, CURLOPT_HTTPHEADER, $headerData);
    $response = curl_exec($curl);
    $errNo = curl_errno($curl);
    $errStr = curl_error($curl);
    curl_close($curl);
    echo $response;
    return;

}

?>

2)POST Video to other server code

cURL POST video data to server endpoint with authorization Bearer and CURLFile

PHP POST Video Data Blob By cURL with CURLFile

<?php  
// When receive POST data 
if(isset($_POST["postData"]))  
{
    $uploadDir = 'uploadsFolder/';
    $uploadFile = $uploadDir . basename($_FILES['video']['name']);

    //Save the Video on Server
    if (move_uploaded_file($_FILES['video']['tmp_name'], $uploadFile))
    {
        // Header part
        $headerData = array(
            "authorization: Bearer LoginNameAndPasswordCode",
            "cache-control: no-cache",
            "content-type: multipart/form-data;"
        );

        // Post Video
        $videoData = array(
            'name' => 'video',
            'filename' => $_FILES['video']['name'],
            'video' => new CURLFile($uploadFile, $_FILES['video']['type'], $uploadFile)
        );  

        // Execute remote upload
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, 'https://Target_End_Point');
        curl_setopt($curl, CURLOPT_TIMEOUT, 30);
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_SAFE_UPLOAD, true);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $videoData);
        curl_setopt($curl, CURLOPT_HTTPHEADER, $headerData);
        $response = curl_exec($curl);
        $errNo = curl_errno($curl);
        $errStr = curl_error($curl);
        curl_close($curl);
        echo "</br>  error_Code :: ".$errNo;
        echo "</br> error_Msg :: ".$errStr;
        echo '</br>  server_response :: '.$response;
        // unlink($uploadFile);  //Delete upload file if you don't need it keep on the server or don't save it on begin
        return;
    }
    else
    {
        echo "upload error!\n";
        return;
    }
}

echo "Post error";  
return;

?>

3)GET Data on Server endpoint code

cURL Get JSON data on Server endpoint

PHP GET JSON data By cURL

<?php

if(isset($_POST["GetData"]))  
{
    $GetData = json_decode($_POST["GetData"]);
    $ClientId = $GetData->ClientId;
    $Record = $GetData->Record;

    $curl = curl_init();
    curl_setopt_array($curl, array(
    CURLOPT_URL => "https://Endpoint_Target/".$ClientId."/TheEvents/".$Record,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET",
    CURLOPT_HTTPHEADER => array(
        "authorization: Basic The_Password==",
        "cache-control: no-cache",
        "content-type: application/json"
    ),
    ));
    $response = curl_exec($curl);
    $err = curl_error($curl);
    curl_close($curl);
    echo $response;
    return;
}

echo "Request Error\n";  
return;


?>

refer:
https://www.php.net/manual/en/ref.curl.php