whatsapp broadcast

backend/app/whatsapp_graph_client.py

@@ -123,6 +123,33 @@ class WhatsAppGraphClient:
             }
         )
 
+    async def send_marketing_template(
+        self,
+        to: str,
+        name: str,
+        language_code: str = "en",
+        components: list[dict[str, Any]] | None = None,
+        product_policy: str = "STRICT",
+    ) -> dict[str, Any]:
+        """Send a marketing template through Meta's marketing endpoint, not /messages."""
+        if not self.configured:
+            raise WhatsAppGraphError("WhatsApp Graph API is not configured", status_code=503)
+        template: dict[str, Any] = {"name": name, "language": {"code": language_code}}
+        if components:
+            template["components"] = components
+        return await self._request(
+            "POST",
+            self._graph_url(f"{self.phone_number_id}/marketing_messages"),
+            json_payload={
+                "messaging_product": "whatsapp",
+                "recipient_type": "individual",
+                "to": to,
+                "type": "template",
+                "template": template,
+                "product_policy": product_policy,
+            },
+        )
+
     async def send_interactive_buttons(
         self,
         to: str,