diff --git a/.changeset/gentle-rabbits-chew.md b/.changeset/gentle-rabbits-chew.md
new file mode 100644
index 000000000..ff0b5ece8
--- /dev/null
+++ b/.changeset/gentle-rabbits-chew.md
@@ -0,0 +1,5 @@
+---
+"@logto/console": patch
+---
+
+add missing `/api` segment in SAML application Single-sign-on service URL
diff --git a/packages/console/src/pages/ApplicationDetails/SamlApplicationDetailsContent/Settings.tsx b/packages/console/src/pages/ApplicationDetails/SamlApplicationDetailsContent/Settings.tsx
index a415d21b0..3073bbf87 100644
--- a/packages/console/src/pages/ApplicationDetails/SamlApplicationDetailsContent/Settings.tsx
+++ b/packages/console/src/pages/ApplicationDetails/SamlApplicationDetailsContent/Settings.tsx
@@ -253,6 +253,7 @@ function Settings({ data, mutateApplication, isDeleted }: Props) {
                   value={applyCustomDomain(
                     appendPath(
                       tenantEndpoint,
+                      '/api',
                       samlApplicationEndpointPrefix,
                       data.id,
                       samlApplicationSingleSignOnEndpointSuffix