diff --git a/apps/web/src/routes/dashboard.ts b/apps/web/src/routes/dashboard.ts
index e089926..d7d2d4e 100644
--- a/apps/web/src/routes/dashboard.ts
+++ b/apps/web/src/routes/dashboard.ts
@@ -460,6 +460,44 @@ export const dashboard = new Elysia()
     return redirect("/dashboard/home");
   })
 
+  // Edit monitor via form POST
+  .post("/dashboard/monitors/:id/edit", async ({ cookie, headers, params, body }) => {
+    const resolved = await getAccountId(cookie, headers);
+    if (!resolved?.accountId) return redirect("/dashboard");
+
+    const b = body as any;
+    const regions = Array.isArray(b.regions) ? b.regions : (b.regions ? [b.regions] : []);
+    const query = b.query ? (typeof b.query === "string" ? JSON.parse(b.query) : b.query) : undefined;
+    const requestHeaders: Record<string, string> = {};
+    const hKeys = Array.isArray(b.header_key) ? b.header_key : (b.header_key ? [b.header_key] : []);
+    const hVals = Array.isArray(b.header_value) ? b.header_value : (b.header_value ? [b.header_value] : []);
+    for (let i = 0; i < hKeys.length; i++) {
+      if (hKeys[i]?.trim()) requestHeaders[hKeys[i].trim()] = hVals[i] || "";
+    }
+
+    try {
+      const apiUrl = process.env.API_URL || "https://api.pingql.com";
+      const key = cookie?.pingql_key?.value;
+      await fetch(`${apiUrl}/monitors/${params.id}`, {
+        method: "PATCH",
+        headers: { "Content-Type": "application/json", "Authorization": `Bearer ${key}` },
+        body: JSON.stringify({
+          name: b.name,
+          url: b.url,
+          method: b.method || "GET",
+          interval_s: Number(b.interval_s) || 30,
+          timeout_ms: Number(b.timeout_ms) || 10000,
+          regions,
+          request_headers: Object.keys(requestHeaders).length ? requestHeaders : null,
+          request_body: b.request_body || null,
+          query,
+        }),
+      });
+    } catch {}
+
+    return redirect(`/dashboard/monitors/${params.id}`);
+  })
+
   // Delete monitor via form POST
   .post("/dashboard/monitors/:id/delete", async ({ cookie, headers, params }) => {
     const resolved = await getAccountId(cookie, headers);
diff --git a/apps/web/src/views/partials/monitor-form.ejs b/apps/web/src/views/partials/monitor-form.ejs
index 07860a4..cf36f68 100644
--- a/apps/web/src/views/partials/monitor-form.ejs
+++ b/apps/web/src/views/partials/monitor-form.ejs
@@ -17,7 +17,7 @@
   const bodyHidden = ['GET','HEAD','OPTIONS'].includes(curMethod);
 %>
 
-<form id="<%= formId %>" action="<%= isEdit ? '' : '/dashboard/monitors/new' %>" method="POST" class="space-y-<%= isEdit ? '5' : '6' %>">
+<form id="<%= formId %>" action="<%= isEdit ? '/dashboard/monitors/' + monitor.id + '/edit' : '/dashboard/monitors/new' %>" method="POST" class="space-y-<%= isEdit ? '5' : '6' %>">
   <div>
     <label class="block text-sm text-gray-400 mb-1.5">Name</label>
     <input id="<%= prefix %>name" name="name" type="text" required value="<%= monitor.name || '' %>" placeholder="Production API"