diff --git a/src/main/kotlin/com/akeyless/ara/client/Auth.kt b/src/main/kotlin/com/akeyless/ara/client/Auth.kt
index a7d5332..fc3c28f 100644
--- a/src/main/kotlin/com/akeyless/ara/client/Auth.kt
+++ b/src/main/kotlin/com/akeyless/ara/client/Auth.kt
@@ -28,7 +28,8 @@ object BrowserAuth {
         val uri = URI(
             "$base$path?access_id=${encode(accessId)}" +
                 "&redirect_uri=${encode(redirectUri)}" +
-                "&is_use_short_token=true",
+                "&is_use_short_token=true" +
+                "&product=$AKEYLESS_PRODUCT_ARA",
         )
         return uri.toString()
     }
@@ -201,7 +202,11 @@ object Auth {
         }
 
         val base = config.gatewayUrl.trimEnd('/')
-        val response = http.postJson("$base/auth", authBody)
+        val response = http.postJson(
+            "$base/auth",
+            authBody,
+            mapOf(AKEYLESS_PRODUCT_HEADER to AKEYLESS_PRODUCT_ARA),
+        )
         if (!response.ok) {
             throw IllegalStateException(
                 Redaction.scrubMessage("Authentication failed (${response.status}): ${response.body}"),
diff --git a/src/main/kotlin/com/akeyless/ara/client/HttpJson.kt b/src/main/kotlin/com/akeyless/ara/client/HttpJson.kt
index 0088e1a..ec27833 100644
--- a/src/main/kotlin/com/akeyless/ara/client/HttpJson.kt
+++ b/src/main/kotlin/com/akeyless/ara/client/HttpJson.kt
@@ -12,6 +12,12 @@ import java.net.http.HttpResponse
 import java.time.Duration
 import java.util.Base64
 
+/** HTTP header used by Auth for product-scoped client registration. */
+const val AKEYLESS_PRODUCT_HEADER = "Akeyless-Product"
+
+/** Product value for Agentic Runtime Authority / Secretless AI. */
+const val AKEYLESS_PRODUCT_ARA = "ara"
+
 class HttpJsonClient(
     private val http: HttpClient = HttpClient.newBuilder()
         .connectTimeout(Duration.ofSeconds(30))
diff --git a/src/test/kotlin/com/akeyless/ara/client/AraLogicTest.kt b/src/test/kotlin/com/akeyless/ara/client/AraLogicTest.kt
index 2d2df3e..020332c 100644
--- a/src/test/kotlin/com/akeyless/ara/client/AraLogicTest.kt
+++ b/src/test/kotlin/com/akeyless/ara/client/AraLogicTest.kt
@@ -160,5 +160,6 @@ class BrowserAuthUrlTest {
         assertTrue(url.contains("/api/saml-login"))
         assertTrue(url.contains("access_id=acc"))
         assertTrue(url.contains("is_use_short_token=true"))
+        assertTrue(url.contains("product=ara"))
     }
 }