https://gamwall.com/wall/wgvd372dty32dvb?user_id=USER_123

<iframe src="https://gamwall.com/wall/wgvd372dty32dvb?user_id=USER_123"
        width="100%" height="800" frameborder="0"
        style="border:none;border-radius:16px"></iframe>

https://gamwall.com/api/offers/click?offerId=owshgdsw732evew623&userId=USER_123&placementId=wgvd372dty32dvb&sub1=facebook

https://yourwebsite.com/postback.php?user_id={user_id}&offer={offer_name}&payout={payout}&reward={currency_amount}&click_id={click_id}&status={status}&placement={placement_id}&sub1={sub1}&goal_id={goal_id}

https://yourwebsite.com/postback.php?click_id={click_id}&user_id={user_id}&sub1={sub1}&offer_id={offer_id}&payout={payout}&reward={currency_amount}&status={status}&goal_id={goal_id}&sig={signature}

click_id | user_id | sub1 | offer_id | payout | currency_amount | status | goal_id

<?php
$secret = 'YOUR_SECRET_KEY';

$base = implode('|', [
    $_GET['click_id'] ?? '',
    $_GET['user_id'] ?? '',
    $_GET['sub1'] ?? '',
    $_GET['offer_id'] ?? '',
    $_GET['payout'] ?? '',
    $_GET['reward'] ?? '',
    $_GET['status'] ?? '',
    $_GET['goal_id'] ?? '',
]);
$expected = hash_hmac('sha256', $base, $secret);

if (!hash_equals($expected, $_GET['sig'] ?? '')) {
    http_response_code(403);
    exit('invalid signature');
}
// Signature OK — safe to credit the user.

<?php
// postback.php — receives conversion postbacks from Gamwall
$user_id       = $_GET['user_id'] ?? '';
$reward        = (float)($_GET['reward'] ?? 0);
$conversion_id = ($_GET['click_id'] ?? '') . ':' . ($_GET['goal_id'] ?? '');
$status        = strtolower($_GET['status'] ?? '');

if ($user_id === '' || $conversion_id === '') {
    http_response_code(400);
    exit(json_encode(['success' => false, 'message' => 'Missing parameters']));
}

// 1) Duplicate check — always by conversion_id
$existing = db_find_conversion($conversion_id);   // your own lookup
if ($existing && $existing['status'] === $status) {
    exit(json_encode(['success' => false, 'message' => 'Duplicate transaction']));
}

// 2) Credit or take back
if ($status === 'approved')   credit_user($user_id, $reward);
if ($status === 'chargeback') deduct_user($user_id, $reward);

// 3) Save the conversion
save_conversion($conversion_id, $user_id, $reward, $status);
echo json_encode(['success' => true, 'message' => 'Reward added successfully']);

// routes/web.php
Route::get('/postback/gamwall', [PostbackController::class, 'gamwall']);

// app/Http/Controllers/PostbackController.php
public function gamwall(Request $request)
{
    $userId = $request->query('user_id');
    $reward = (float) $request->query('reward', 0);
    $convId = $request->query('click_id') . ':' . $request->query('goal_id', '');
    $status = strtolower($request->query('status', ''));

    if (!$userId || !$convId) {
        return response()->json(['success' => false, 'message' => 'Missing parameters'], 400);
    }
    $existing = Conversion::where('conversion_id', $convId)->first();
    if ($existing && $existing->status === $status) {
        return response()->json(['success' => false, 'message' => 'Duplicate transaction']);
    }
    $user = User::findOrFail($userId);
    $status === 'chargeback' ? $user->decrement('balance', $reward) : $user->increment('balance', $reward);

    Conversion::updateOrCreate(['conversion_id' => $convId], ['user_id' => $userId, 'reward' => $reward, 'status' => $status]);
    return response()->json(['success' => true, 'message' => 'Reward added successfully']);
}

GET https://gamwall.com/api/stats?api_key=YOUR_API_KEY&range=7d

{
  "success": true,
  "range": "7d",
  "date_from": "2026-09-24",
  "date_to": "2026-09-30",
  "stats": {
    "clicks": 512,
    "approved_conversions": 38,
    "pending_conversions": 6,
    "reversed_conversions": 1,
    "revenue": 94.60,
    "cvr_percent": 7.42,
    "epc": 0.1848
  },
  "by_offer": [
    { "offer_id": "owshgdsw732evew623", "name": "Audible - IT - CPE", "clicks": 120, "conversions": 14, "revenue": 41.30 }
  ]
}

GET https://gamwall.com/api/feed/wgvd372dty32dvb?api_key=YOUR_FEED_KEY&country=US

{
  "success": true,
  "placement": "wgvd372dty32dvb",
  "count": 1,
  "data": [
    {
      "id": "owshgdsw732evew623",
      "name": "Audible - IT - CPE - INCENT",
      "description": { "en": "..." },
      "payout": 1.50,
      "reward": 150,
      "currency": "Coins",
      "events": [ { "eventId": "1", "action": { "en": "Complete offer" }, "payout": 1.50, "reward": 150 } ],
      "multiEvent": false,
      "icon": "https://…/icon.png",
      "category": "Entertainment",
      "country": ["IT"],
      "device": [],
      "dailyCap": null,
      "fastpay": false,
      "url": "https://gamwall.com/api/offers/click?offerId=owshgdsw732evew623&userId=[USER_ID]&placementId=wgvd372dty32dvb"
    }
  ]
}