diff --git a/DEPENDENCIES b/DEPENDENCIES
index a7d0407..f6ba050 100644
--- a/DEPENDENCIES
+++ b/DEPENDENCIES
@@ -1,6 +1,6 @@
 # 1st Party Dependencies
 ## Prefer git tags instead of SHA hashes when possible.
 
-pEpEngine=v3.3.0-RC7
+pEpEngine=v3.3.0-RC10
 libpEpAdapter= v3.2.0-RC5
 libpEpCxx=v3.2.0-RC1
diff --git a/src/pEp/_pEp/basic_api.cc b/src/pEp/_pEp/basic_api.cc
index 87c20a9..c738d8f 100644
--- a/src/pEp/_pEp/basic_api.cc
+++ b/src/pEp/_pEp/basic_api.cc
@@ -7,6 +7,7 @@
 // Engine
 #include <pEp/keymanagement.h>
 #include <pEp/message_api.h>
+#include <pEp/echo_api.h>
 #include <pEp/Adapter.hh>
 
 // local
@@ -221,5 +222,21 @@ namespace pEp {
             _throw_status(status);
         }
 
+        void send_ping(Identity &own_identity, Identity &other_identity)
+        {
+            const std::string own_userid = (*own_identity).user_id;
+            if (own_userid == "")
+                throw invalid_argument("user_id needed for own identity");
+            else if (own_userid != PEP_OWN_USERID)
+                throw invalid_argument("suppesedly own identity not own");
+
+            ::pEp_identity *own_identity_c = own_identity;
+            ::pEp_identity *other_identity_c = other_identity;
+
+            PEP_STATUS status = PEP_STATUS_OK;
+            status = ::send_ping(Adapter::session(), own_identity_c, other_identity_c);
+            _throw_status(status);
+        }
+
     } // namespace PythonAdapter
 } // namespace pEp
diff --git a/src/pEp/_pEp/basic_api.hh b/src/pEp/_pEp/basic_api.hh
index 1320be4..579c007 100644
--- a/src/pEp/_pEp/basic_api.hh
+++ b/src/pEp/_pEp/basic_api.hh
@@ -34,6 +34,8 @@ namespace pEp {
         void set_own_key(Identity &ident, string fpr);
 
         void set_comm_partner_key(Identity &ident, string fpr);
+
+        void send_ping(Identity &own_identity, Identity &other_identity);
     } /* namespace PythonAdapter */
 } /* namespace pEp */
 
diff --git a/src/pEp/_pEp/pEpmodule.cc b/src/pEp/_pEp/pEpmodule.cc
index 86c1d6e..53bbb5d 100644
--- a/src/pEp/_pEp/pEpmodule.cc
+++ b/src/pEp/_pEp/pEpmodule.cc
@@ -13,6 +13,7 @@
 #include <pEp/key_reset.h>
 #include <pEp/message_api.h>
 #include <pEp/sync_api.h>
+#include <pEp/echo_api.h>
 #include <pEp/status_to_string.h>
 
 // libpEpAdapter
@@ -695,6 +696,19 @@ namespace pEp {
                 "ident      partner identity this key is used for\n"
                 "fpr        fingerprint of the key to set as the identity default\n");
 
+            def("send_ping",
+                &send_ping,
+                "send_ping(own_identity, other_identity)\n"
+                "\n"
+                "send a Distribution.Ping message from the given own identity\n"
+                "to the given identity, usually but not necessarily non-own.\n"
+                "\n"
+                "Both identities must have been updated, the own identity\n"
+                "with pEp.myself() and the second with Identity.update()\n"
+                "\n"
+                "own_identity    the sender identity\n"
+                "other_identity  the recipient identity\n");
+
             // message API
 
             enum_<PEP_rating>("rating")