diff --git a/src/basic_api.cc b/src/basic_api.cc
index 527f256..46ef3d8 100644
--- a/src/basic_api.cc
+++ b/src/basic_api.cc
@@ -82,6 +82,18 @@ namespace pEp {
             PEP_STATUS status = unset_identity_flags(adapter.session(), ident, flags);
             _throw_status(status);
         }
+        
+        void key_reset_trust(Identity ident) {
+            if (ident.fpr() == "")
+                throw invalid_argument("address needed");
+            if (ident.address() == "")
+                throw invalid_argument("address needed");
+            if (ident.user_id() == "")
+                throw invalid_argument("address needed");
+
+            PEP_STATUS status = key_reset_trust(adapter.session(), ident);
+            _throw_status(status);
+        }
     }
 }
 
diff --git a/src/basic_api.hh b/src/basic_api.hh
index 332755d..e5281b7 100644
--- a/src/basic_api.hh
+++ b/src/basic_api.hh
@@ -5,6 +5,10 @@
 
 #include "pEpmodule.hh"
 
+DYNAMIC_API PEP_STATUS key_reset_trust(
+        PEP_SESSION session,
+        pEp_identity *ident
+    );
 namespace pEp {
     namespace PythonAdapter {
         void update_identity(Identity& ident);
@@ -14,6 +18,8 @@ namespace pEp {
 
         void set_identity_flags(Identity ident, identity_flags_t flags);
         void unset_identity_flags(Identity ident, identity_flags_t flags);
+
+        void key_reset_trust(Identity ident);
     }
 }
 
diff --git a/src/pEpmodule.cc b/src/pEpmodule.cc
index a468514..62bf1f8 100644
--- a/src/pEpmodule.cc
+++ b/src/pEpmodule.cc
@@ -322,6 +322,13 @@ BOOST_PYTHON_MODULE(pEp)
     "unset identity flags\n"
             );
 
+    def("key_reset_trust", &pEp::PythonAdapter::key_reset_trust,
+            "key_reset_trust(ident)\n"
+            "\n"
+            "reset trust bit or explicitly mistrusted status for an identity and "
+            "its accompanying key/user_id pair\n"
+        );
+
     // message API
 
     enum_<PEP_rating>("PEP_rating")