diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ea5ae402..d87f7c099 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -134,6 +134,7 @@
 - Config: fix Minimax hosted onboarding to write `agents.defaults` and allow `msteams` as a heartbeat target. — thanks @steipete
 - Discord: add channel/category management actions (create/edit/move/delete + category removal). (#487) - thanks @NicholasSpisak
 - Docs: split CLI install commands into separate code blocks. (#601) — thanks @martinpucik
+- WhatsApp: record outbound provider activity using the active account id. (#537) — thanks @Nachx639
 
 ## 2026.1.8
 
diff --git a/src/web/inbound.ts b/src/web/inbound.ts
index f4645509f..f456d351e 100644
--- a/src/web/inbound.ts
+++ b/src/web/inbound.ts
@@ -585,9 +585,10 @@ export async function monitorWebInbox(options: {
         payload = { text };
       }
       const result = await sock.sendMessage(jid, payload);
+      const accountId = sendOptions?.accountId ?? options.accountId;
       recordProviderActivity({
         provider: "whatsapp",
-        accountId: options?.accountId,
+        accountId,
         direction: "outbound",
       });
       return { messageId: result?.key?.id ?? "unknown" };
@@ -610,7 +611,7 @@ export async function monitorWebInbox(options: {
       });
       recordProviderActivity({
         provider: "whatsapp",
-        accountId: options?.accountId,
+        accountId: options.accountId,
         direction: "outbound",
       });
       return { messageId: result?.key?.id ?? "unknown" };
diff --git a/src/web/outbound.ts b/src/web/outbound.ts
index c8d99f7a3..6c6235dbd 100644
--- a/src/web/outbound.ts
+++ b/src/web/outbound.ts
@@ -69,9 +69,13 @@ export async function sendMessageWhatsApp(
     );
     if (!active) throw new Error("Active web listener missing");
     await active.sendComposingTo(to);
-    const sendOptions: ActiveWebSendOptions | undefined = options.gifPlayback
-      ? { gifPlayback: true }
-      : undefined;
+    const sendOptions: ActiveWebSendOptions | undefined =
+      options.gifPlayback || options.accountId
+        ? {
+            ...(options.gifPlayback ? { gifPlayback: true } : {}),
+            accountId: options.accountId,
+          }
+        : undefined;
     const result = sendOptions
       ? await active.sendMessage(to, text, mediaBuffer, mediaType, sendOptions)
       : await active.sendMessage(to, text, mediaBuffer, mediaType);