diff --git a/swh/graphql/resolvers/base_node.py b/swh/graphql/resolvers/base_node.py
--- a/swh/graphql/resolvers/base_node.py
+++ b/swh/graphql/resolvers/base_node.py
@@ -77,5 +77,5 @@
 
 class BaseSWHNode(BaseNode):
     @property
-    def SWHID(self):
+    def swhid(self):
         return self._node.swhid()
diff --git a/swh/graphql/resolvers/content.py b/swh/graphql/resolvers/content.py
--- a/swh/graphql/resolvers/content.py
+++ b/swh/graphql/resolvers/content.py
@@ -32,9 +32,9 @@
     def _get_node_data(self):
         """
         When a content is requested directly
-        with its SWHID
+        with its swhid
         """
-        return self._get_content_by_id(self.kwargs.get("SWHID").object_id)
+        return self._get_content_by_id(self.kwargs.get("swhid").object_id)
 
 
 class TargetContentNode(BaseContentNode):
diff --git a/swh/graphql/resolvers/directory.py b/swh/graphql/resolvers/directory.py
--- a/swh/graphql/resolvers/directory.py
+++ b/swh/graphql/resolvers/directory.py
@@ -23,9 +23,9 @@
 class DirectoryNode(BaseDirectoryNode):
     def _get_node_data(self):
         """
-        When a directory is requested directly with its SWHID
+        When a directory is requested directly with its swhid
         """
-        directory_id = self.kwargs.get("SWHID").object_id
+        directory_id = self.kwargs.get("swhid").object_id
         # path = ""
         if archive.Archive().is_directory_available([directory_id]):
             return self._get_directory_by_id(directory_id)
@@ -37,7 +37,7 @@
         """
         When a directory is requested from a revision
         self.obj is revision here
-        self.obj.directorySWHID is the required dir SWHID
+        self.obj.directorySWHID is the required dir swhid
         (set from resolvers.revision.py:BaseRevisionNode)
         """
         directory_id = self.obj.directorySWHID.object_id
diff --git a/swh/graphql/resolvers/directory_entry.py b/swh/graphql/resolvers/directory_entry.py
--- a/swh/graphql/resolvers/directory_entry.py
+++ b/swh/graphql/resolvers/directory_entry.py
@@ -24,7 +24,7 @@
     def _get_paged_result(self):
         """
         When entries requested from a directory
-        self.obj.SWHID is the directory SWHID here
+        self.obj.swhid is the directory swhid here
 
         This is not paginated from swh-storgae
         using dummy pagination
@@ -34,6 +34,6 @@
         # To remove localpagination, just drop the paginated call
         # STORAGE-TODO
         entries = (
-            archive.Archive().get_directory_entries(self.obj.SWHID.object_id).results
+            archive.Archive().get_directory_entries(self.obj.swhid.object_id).results
         )
         return utils.paginated(entries, self._get_first_arg(), self._get_after_arg())
diff --git a/swh/graphql/resolvers/release.py b/swh/graphql/resolvers/release.py
--- a/swh/graphql/resolvers/release.py
+++ b/swh/graphql/resolvers/release.py
@@ -31,11 +31,11 @@
 
 class ReleaseNode(BaseReleaseNode):
     """
-    When the release is requested directly with its SWHID
+    When the release is requested directly with its swhid
     """
 
     def _get_node_data(self):
-        return self._get_release_by_id(self.kwargs.get("SWHID").object_id)
+        return self._get_release_by_id(self.kwargs.get("swhid").object_id)
 
 
 class TargetReleaseNode(BaseReleaseNode):
diff --git a/swh/graphql/resolvers/revision.py b/swh/graphql/resolvers/revision.py
--- a/swh/graphql/resolvers/revision.py
+++ b/swh/graphql/resolvers/revision.py
@@ -44,11 +44,11 @@
 
 class RevisionNode(BaseRevisionNode):
     """
-    When the revision is requested directly with its SWHID
+    When the revision is requested directly with its swhid
     """
 
     def _get_node_data(self):
-        return self._get_revision_by_id(self.kwargs.get("SWHID").object_id)
+        return self._get_revision_by_id(self.kwargs.get("swhid").object_id)
 
 
 class TargetRevisionNode(BaseRevisionNode):
@@ -69,7 +69,7 @@
     revision
     self.obj is the current(child) revision
     self.obj.parentSWHIDs is the list of
-    parent SWHIDs
+    parent swhids
     """
 
     _node_class = BaseRevisionNode
@@ -95,7 +95,7 @@
 
     def _get_paged_result(self):
         # STORAGE-TODO (date in revisionlog is a dict)
-        log = archive.Archive().get_revision_log([self.obj.SWHID.object_id])
+        log = archive.Archive().get_revision_log([self.obj.swhid.object_id])
         # FIXME, using dummy(local) pagination, move pagination to backend
         # To remove localpagination, just drop the paginated call
         # STORAGE-TODO (pagination)
diff --git a/swh/graphql/resolvers/snapshot.py b/swh/graphql/resolvers/snapshot.py
--- a/swh/graphql/resolvers/snapshot.py
+++ b/swh/graphql/resolvers/snapshot.py
@@ -21,12 +21,12 @@
 
 class SnapshotNode(BaseSnapshotNode):
     """
-    For directly accessing a snapshot with its SWHID
+    For directly accessing a snapshot with its swhid
     """
 
     def _get_node_data(self):
         """ """
-        snapshot_id = self.kwargs.get("SWHID").object_id
+        snapshot_id = self.kwargs.get("swhid").object_id
         if archive.Archive().is_snapshot_available([snapshot_id]):
             return self._get_snapshot_by_id(snapshot_id)
         return None
@@ -40,7 +40,7 @@
     def _get_node_data(self):
         """
         self.obj is visitstatus here
-        self.obj.snapshotSWHID is the requested snapshot SWHID
+        self.obj.snapshotSWHID is the requested snapshot swhid
         """
         snapshot_id = self.obj.snapshotSWHID.object_id
         return self._get_snapshot_by_id(snapshot_id)
diff --git a/swh/graphql/resolvers/snapshot_branch.py b/swh/graphql/resolvers/snapshot_branch.py
--- a/swh/graphql/resolvers/snapshot_branch.py
+++ b/swh/graphql/resolvers/snapshot_branch.py
@@ -45,12 +45,12 @@
     def _get_paged_result(self):
         """
         When branches requested from a snapshot
-        self.obj.SWHID is the snapshot SWHID here
+        self.obj.swhid is the snapshot swhid here
         (as returned from resolvers/snapshot.py)
         """
 
         result = archive.Archive().get_snapshot_branches(
-            self.obj.SWHID.object_id,
+            self.obj.swhid.object_id,
             after=self._get_after_arg(),
             first=self._get_first_arg(),
             target_types=self.kwargs.get("types"),
diff --git a/swh/graphql/schema/schema.graphql b/swh/graphql/schema/schema.graphql
--- a/swh/graphql/schema/schema.graphql
+++ b/swh/graphql/schema/schema.graphql
@@ -20,13 +20,13 @@
 }
 
 """
-SWH merkle node object with a SWHID
+SWH merkle node object with a swhid
 """
 interface MerkleNode {
   """
-  SWHID of the object
+  Swhid of the object
   """
-  SWHID: SWHID!
+  swhid: SWHID!
 }
 
 """
@@ -334,9 +334,9 @@
   id: ID!
 
   """
-  SWHID of the snapshot object
+  Swhid of the snapshot object
   """
-  SWHID: SWHID!
+  swhid: SWHID!
 
   """
   Connection to all the snapshot branches
@@ -511,9 +511,9 @@
   id: ID!
 
   """
-  SWHID of the revision object
+  Swhid of the revision object
   """
-  SWHID: SWHID!
+  swhid: SWHID!
 
   """
   Message associated to the revision
@@ -600,9 +600,9 @@
   id: ID!
 
   """
-  SWHID of the release object
+  Swhid of the release object
   """
-  SWHID: SWHID!
+  swhid: SWHID!
 
   """
   The name of the release
@@ -718,9 +718,9 @@
   id: ID!
 
   """
-  SWHID of the directory object
+  Swhid of the directory object
   """
-  SWHID: SWHID!
+  swhid: SWHID!
 
   """
   Connection to the directory entries
@@ -769,9 +769,9 @@
   id: ID!
 
   """
-  SWHID of the content object
+  Swhid of the content object
   """
-  SWHID: SWHID!
+  swhid: SWHID!
 
   """
   Checksums for the content
@@ -839,52 +839,52 @@
   ): Visit
 
   """
-  Get the snapshot with a SWHID
+  Get the snapshot with a swhid
   """
   snapshot(
     """
-    SWHID of the snapshot object
+    Swhid of the snapshot object
     """
-    SWHID: SWHID!
+    swhid: SWHID!
   ): Snapshot
 
   """
-  Get the revision with a SWHID
+  Get the revision with a swhid
   """
   revision(
     """
-    SWHID of the revision object
+    Swhid of the revision object
     """
-    SWHID: SWHID!
+    swhid: SWHID!
   ): Revision
 
   """
-  Get the release with a SWHID
+  Get the release with a swhid
   """
   release(
     """
-    SWHID of the release object
+    Swhid of the release object
     """
-    SWHID: SWHID!
+    swhid: SWHID!
   ): Release
 
   """
-  Get the directory with a SWHID
+  Get the directory with a swhid
   """
   directory(
     """
-    SWHID of the directory object
+    Swhid of the directory object
     """
-    SWHID: SWHID!
+    swhid: SWHID!
   ): Directory
 
   """
-  Get the content with a SWHID
+  Get the content with a swhid
   """
   content(
     """
-    SWHID of the content object
+    Swhid of the content object
     """
-    SWHID: SWHID!
+    swhid: SWHID!
   ): Content
 }