diff --git a/openapi/index.yaml b/openapi/index.yaml
index f54abce..be43733 100644
--- a/openapi/index.yaml
+++ b/openapi/index.yaml
@@ -1,7 +1,7 @@
 swagger: '2.0'
 info:
   version: 1.10.5
-  title: IO API for service Messages
+  title: IO internal API for messages sending functions
   contact:
     name: PagoPA
     url: https://forum.italia.it/c/progetto-io
@@ -10,7 +10,7 @@ info:
   description: |
     # Warning Experimental API These apis are experimental and for internal use.
 host: api.io.pagopa.it
-basePath: /service-messages/api/v1
+basePath: /api/v1/messages-sending/internal
 schemes:
   - https
 security:
diff --git a/openapi/index_external.yaml b/openapi/index_external.yaml
index 51a58cf..7720a8e 100644
--- a/openapi/index_external.yaml
+++ b/openapi/index_external.yaml
@@ -1,7 +1,7 @@
 swagger: '2.0'
 info:
   version: 1.10.5
-  title: IO API for service Messages
+  title: IO API for messages sending functions
   contact:
     name: PagoPA
     url: https://forum.italia.it/c/progetto-io
@@ -10,7 +10,7 @@ info:
   description: |
     External manage apis to manage message related entities.
 host: api.io.pagopa.it
-basePath: /service-messages/api/v1
+basePath: /api/v1/messages-sending
 schemes:
   - https
 security:
diff --git a/openapi/index_external.yaml.template b/openapi/index_external.yaml.template
index 9dd98d6..e6da630 100644
--- a/openapi/index_external.yaml.template
+++ b/openapi/index_external.yaml.template
@@ -1,7 +1,7 @@
 swagger: '2.0'
 info:
   version: 1.4.0
-  title: IO API for service Messages
+  title: IO API for messages sending functions
   contact:
     name: PagoPA
     url: https://forum.italia.it/c/progetto-io
@@ -10,7 +10,7 @@ info:
   description: >
     External manage apis to manage message related entities.
 host: api.io.pagopa.it
-basePath: /service-messages/api/v1
+basePath: /api/v1/messages-sending
 schemes:
   - https
 security:
diff --git a/openapi/index_internal.yaml.template b/openapi/index_internal.yaml.template
index 53e98e9..85dd1e6 100644
--- a/openapi/index_internal.yaml.template
+++ b/openapi/index_internal.yaml.template
@@ -1,7 +1,7 @@
 swagger: '2.0'
 info:
   version: 1.4.0
-  title: IO API for service Messages
+  title: IO internal API for messages sending functions
   contact:
     name: PagoPA
     url: https://forum.italia.it/c/progetto-io
@@ -11,7 +11,7 @@ info:
     # Warning Experimental API
     These apis are experimental and for internal use.
 host: api.io.pagopa.it
-basePath: /service-messages/api/v1
+basePath: /api/v1/messages-sending/internal
 schemes:
   - https
 security: