diff --git a/ads.js b/ads.js
index 928ee09..9827cda 100644
Binary files a/ads.js and b/ads.js differ
diff --git a/public/assets/my.js b/public/assets/my.js
index 58b604e..e88bd5c 100644
--- a/public/assets/my.js
+++ b/public/assets/my.js
@@ -416,12 +416,21 @@
           + '<td>' + (c.status === 'out' ? '<span class="badge amber">budget spent</span>' : c.status) + '</td>'
           + '<td>' + (c.status === 'active' ? '<button class="btn small sec" data-camp="' + c.id + '" data-act="pause">Pause</button>'
             : c.status === 'paused' ? '<button class="btn small sec" data-camp="' + c.id + '" data-act="resume">Resume</button>' : '')
+          + ' <button class="btn small sec" data-topup="' + c.id + '">Buy more views</button>'
           + '</td></tr>').join('') + '</tbody></table>';
       el.appendChild(tbl);
       el.querySelectorAll('button[data-camp]').forEach(b => b.addEventListener('click', async () => {
         try { await api('/api/my/campaigns/' + b.dataset.camp + '/' + b.dataset.act); await loadCampaigns(); }
         catch (e) { IAP.status(e.message, 'bad'); }
       }));
+      el.querySelectorAll('button[data-topup]').forEach(b => b.addEventListener('click', async () => {
+        const n = prompt('How many credits to add to this campaign? (buys more views)');
+        if (!n) return;
+        try { const r = await api('/api/my/campaigns/' + b.dataset.topup + '/topup', { credits: Number(n) });
+          IAP.status('Added ' + r.added + ' credits' + (r.reactivated ? ' — campaign is live again.' : '.'), 'ok');
+          await loadCampaigns(); loadDashboard();
+        } catch (e) { IAP.status(e.message, 'bad'); }
+      }));
     } catch (e) {}
   }
   let lastRates = null;
diff --git a/public/contract.html b/public/contract.html
index 409f488..d721155 100644
--- a/public/contract.html
+++ b/public/contract.html
@@ -5,7 +5,7 @@
 <title>The contract | InstantAdPay</title>
 <meta name="description" content="Plain-language review of the InstantAdPay settlement contract: what it does, what nobody can change, what the operator can and cannot touch, and how to verify all of it yourself.">
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906b">
+<link rel="stylesheet" href="/assets/site.css?v=20260906c">
 </head>
 <body>
 <div class="wrap">
@@ -129,8 +129,8 @@
     <div class="small">Advertising services with a performance referral program. Not an investment product; no income guarantees. Crypto transactions are irreversible. Never spend what you cannot afford.</div>
   </footer>
 </div>
-<script src="/assets/common.js?v=20260906b"></script>
-<script src="/assets/contract.js?v=20260906b"></script>
-<script src="/assets/chat.js?v=20260906b"></script>
+<script src="/assets/common.js?v=20260906c"></script>
+<script src="/assets/contract.js?v=20260906c"></script>
+<script src="/assets/chat.js?v=20260906c"></script>
 </body>
 </html>
diff --git a/public/index.html b/public/index.html
index c3e3b25..99c1515 100644
--- a/public/index.html
+++ b/public/index.html
@@ -5,7 +5,7 @@
 <title>InstantAdPay: advertise and earn, locked in code</title>
 <meta name="description" content="Real ad packages with instant on-chain settlement. Every purchase pays the sponsor line in the same transaction, verifiable by anyone on the live ledger.">
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906b">
+<link rel="stylesheet" href="/assets/site.css?v=20260906c">
 </head>
 <body>
 
@@ -410,9 +410,9 @@
   </div>
 </section>
 
-<script src="/assets/common.js?v=20260906b"></script>
-<script src="/assets/wallet.js?v=20260906b"></script>
-<script src="/assets/home.js?v=20260906b"></script>
-<script src="/assets/chat.js?v=20260906b"></script>
+<script src="/assets/common.js?v=20260906c"></script>
+<script src="/assets/wallet.js?v=20260906c"></script>
+<script src="/assets/home.js?v=20260906c"></script>
+<script src="/assets/chat.js?v=20260906c"></script>
 </body>
 </html>
diff --git a/public/ledger.html b/public/ledger.html
index 038f034..74bd76e 100644
--- a/public/ledger.html
+++ b/public/ledger.html
@@ -5,7 +5,7 @@
 <title>Live ledger | InstantAdPay</title>
 <meta name="description" content="Every purchase, payout, and pass-up on InstantAdPay, streamed straight from the blockchain with a verify link on every line.">
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906b">
+<link rel="stylesheet" href="/assets/site.css?v=20260906c">
 </head>
 <body>
 <div class="wrap">
@@ -25,8 +25,8 @@
     <div>InstantAdPay · <a href="/">how it works</a> · <a id="contractLink" href="#" target="_blank" rel="noopener">contract source ↗</a></div>
   </footer>
 </div>
-<script src="/assets/common.js?v=20260906b"></script>
-<script src="/assets/ledger.js?v=20260906b"></script>
-<script src="/assets/chat.js?v=20260906b"></script>
+<script src="/assets/common.js?v=20260906c"></script>
+<script src="/assets/ledger.js?v=20260906c"></script>
+<script src="/assets/chat.js?v=20260906c"></script>
 </body>
 </html>
diff --git a/public/my.html b/public/my.html
index daee14a..2a2ce28 100644
--- a/public/my.html
+++ b/public/my.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Member area | InstantAdPay</title>
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906b">
+<link rel="stylesheet" href="/assets/site.css?v=20260906c">
 </head>
 <body class="bo-body">
 
@@ -545,9 +545,9 @@
   </div>
 </div>
 
-<script src="/assets/common.js?v=20260906b"></script>
-<script src="/assets/wallet.js?v=20260906b"></script>
-<script src="/assets/my.js?v=20260906b"></script>
-<script src="/assets/chat.js?v=20260906b"></script>
+<script src="/assets/common.js?v=20260906c"></script>
+<script src="/assets/wallet.js?v=20260906c"></script>
+<script src="/assets/my.js?v=20260906c"></script>
+<script src="/assets/chat.js?v=20260906c"></script>
 </body>
 </html>
diff --git a/public/tx.html b/public/tx.html
index d7a7677..4d0e1c5 100644
--- a/public/tx.html
+++ b/public/tx.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Transaction | InstantAdPay</title>
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906b">
+<link rel="stylesheet" href="/assets/site.css?v=20260906c">
 </head>
 <body>
 <div id="nav"></div>
@@ -33,7 +33,7 @@
     <p><a href="/ledger">← Back to the live ledger</a> · <a href="/contract">Read the contract review</a></p>
   </div>
 </section>
-<script src="/assets/common.js?v=20260906b"></script>
-<script src="/assets/tx.js?v=20260906b"></script>
+<script src="/assets/common.js?v=20260906c"></script>
+<script src="/assets/tx.js?v=20260906c"></script>
 </body>
 </html>
diff --git a/public/view.html b/public/view.html
index 7f791a8..a615915 100644
--- a/public/view.html
+++ b/public/view.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Viewing ad — InstantAdPay</title>
-<link rel="stylesheet" href="/assets/site.css?v=20260906b">
+<link rel="stylesheet" href="/assets/site.css?v=20260906c">
 <style>
   html,body{height:100%;margin:0;overflow:hidden}
   .vw{display:flex;flex-direction:column;height:100vh;height:100dvh;background:var(--bg,#04110c);color:var(--ink,#e8fff7)}
@@ -43,6 +43,6 @@
   </div>
   <iframe class="vframe" id="vFrame" sandbox="allow-scripts allow-same-origin allow-forms allow-popups" referrerpolicy="no-referrer" title="Advertiser site"></iframe>
 </div>
-<script src="/assets/view.js?v=20260906b"></script>
+<script src="/assets/view.js?v=20260906c"></script>
 </body>
 </html>
diff --git a/public/wall.html b/public/wall.html
index 326c4b1..d34ced1 100644
--- a/public/wall.html
+++ b/public/wall.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Banner wall | InstantAdPay</title>
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906b">
+<link rel="stylesheet" href="/assets/site.css?v=20260906c">
 </head>
 <body>
 <div id="nav"></div>
@@ -34,7 +34,7 @@
     </div>
   </div>
 </section>
-<script src="/assets/common.js?v=20260906b"></script>
-<script src="/assets/wall.js?v=20260906b"></script>
+<script src="/assets/common.js?v=20260906c"></script>
+<script src="/assets/wall.js?v=20260906c"></script>
 </body>
 </html>
diff --git a/server.js b/server.js
index f3635b2..31fe864 100644
--- a/server.js
+++ b/server.js
@@ -872,6 +872,15 @@ const server = http.createServer(async (req, res) => {
       const r = await ads.createCampaign(s.email, memberId, b);
       return json(res, r.error ? 400 : 200, r);
     }
+    m = /^\/api\/my\/campaigns\/(\d+)\/topup$/.exec(p);
+    if (m && req.method === 'POST') {
+      const s = await auth.fromRequest(req);
+      if (!s || !s.email) return json(res, 401, { error: 'Sign in first.' });
+      const memberId = await auth.refreshMemberId(s);
+      const b = await readBody(req);
+      const r = await ads.topUpCampaign(s.email, memberId, m[1], b.credits);
+      return json(res, r.error ? 400 : 200, r);
+    }
     m = /^\/api\/my\/campaigns\/(\d+)\/(pause|resume)$/.exec(p);
     if (m && req.method === 'POST') {
       const s = await auth.fromRequest(req);
