diff --git a/rhodecode/api/views/pull_request_api.py b/rhodecode/api/views/pull_request_api.py
--- a/rhodecode/api/views/pull_request_api.py
+++ b/rhodecode/api/views/pull_request_api.py
@@ -364,6 +364,7 @@ def comment_pull_request(
         request, apiuser, repoid, pullrequestid, message=Optional(None),
         commit_id=Optional(None), status=Optional(None),
         comment_type=Optional(ChangesetComment.COMMENT_TYPE_NOTE),
+        resolves_comment_id=Optional(None),
         userid=Optional(OAttr('apiuser'))):
     """
     Comment on the pull request specified with the `pullrequestid`,
@@ -422,6 +423,7 @@ def comment_pull_request(
     status = Optional.extract(status)
     commit_id = Optional.extract(commit_id)
     comment_type = Optional.extract(comment_type)
+    resolves_comment_id = Optional.extract(resolves_comment_id)
 
     if not message and not status:
         raise JSONRPCError(
@@ -446,6 +448,17 @@ def comment_pull_request(
         if commit_idx != 0:
             allowed_to_change_status = False
 
+    if resolves_comment_id:
+        comment = ChangesetComment.get(resolves_comment_id)
+        if not comment:
+            raise JSONRPCError(
+                'Invalid resolves_comment_id `%s` for this pull request.'
+                % resolves_comment_id)
+        if comment.comment_type != ChangesetComment.COMMENT_TYPE_TODO:
+            raise JSONRPCError(
+                'Comment `%s` is wrong type for setting status to resolved.'
+                % resolves_comment_id)
+
     text = message
     status_label = ChangesetStatus.get_status_lbl(status)
     if status and allowed_to_change_status:
@@ -468,7 +481,8 @@ def comment_pull_request(
         status_change_type=(status if status_change else None),
         closing_pr=False,
         renderer=renderer,
-        comment_type=comment_type
+        comment_type=comment_type,
+        resolves_comment_id=resolves_comment_id
     )
 
     if allowed_to_change_status and status:
diff --git a/rhodecode/api/views/repo_api.py b/rhodecode/api/views/repo_api.py
--- a/rhodecode/api/views/repo_api.py
+++ b/rhodecode/api/views/repo_api.py
@@ -1385,6 +1385,7 @@ def lock(request, apiuser, repoid, locke
 def comment_commit(
         request, apiuser, repoid, commit_id, message, status=Optional(None),
         comment_type=Optional(ChangesetComment.COMMENT_TYPE_NOTE),
+        resolves_comment_id=Optional(None),
         userid=Optional(OAttr('apiuser'))):
     """
     Set a commit comment, and optionally change the status of the commit.
@@ -1431,12 +1432,24 @@ def comment_commit(
     user = get_user_or_error(userid)
     status = Optional.extract(status)
     comment_type = Optional.extract(comment_type)
+    resolves_comment_id = Optional.extract(resolves_comment_id)
 
     allowed_statuses = [x[0] for x in ChangesetStatus.STATUSES]
     if status and status not in allowed_statuses:
         raise JSONRPCError('Bad status, must be on '
                            'of %s got %s' % (allowed_statuses, status,))
 
+    if resolves_comment_id:
+        comment = ChangesetComment.get(resolves_comment_id)
+        if not comment:
+            raise JSONRPCError(
+                'Invalid resolves_comment_id `%s` for this commit.'
+                % resolves_comment_id)
+        if comment.comment_type != ChangesetComment.COMMENT_TYPE_TODO:
+            raise JSONRPCError(
+                'Comment `%s` is wrong type for setting status to resolved.'
+                % resolves_comment_id)
+
     try:
         rc_config = SettingsModel().get_all_settings()
         renderer = rc_config.get('rhodecode_markup_renderer', 'rst')
@@ -1446,7 +1459,8 @@ def comment_commit(
             status_change=status_change_label,
             status_change_type=status,
             renderer=renderer,
-            comment_type=comment_type
+            comment_type=comment_type,
+            resolves_comment_id=resolves_comment_id
         )
         if status:
             # also do a status change