diff --git a/doc/API.v0.md b/doc/API.v0.md
index fd550e4..3f6f74b 100644
--- a/doc/API.v0.md
+++ b/doc/API.v0.md
@@ -648,7 +648,7 @@ POST http://cyphernode:8888/spend
 with body...
 {"address":"2N8DcqzfkYi8CkYzvNNS5amoq3SbAcQNXKp","amount":0.00233}
 or
-{"address":"2N8DcqzfkYi8CkYzvNNS5amoq3SbAcQNXKp","amount":0.00233,"eventMessage":"eyJ3aGF0ZXZlciI6MTIzfQo="}
+{"address":"2N8DcqzfkYi8CkYzvNNS5amoq3SbAcQNXKp","amount":0.00233,"eventMessage":"eyJ3aGF0ZXZlciI6MTIzfQo=","confTarget":6}
 ```
 
 Proxy response:
diff --git a/doc/openapi/v0/cyphernode-api.yaml b/doc/openapi/v0/cyphernode-api.yaml
index 6e2ec88..8753a55 100644
--- a/doc/openapi/v0/cyphernode-api.yaml
+++ b/doc/openapi/v0/cyphernode-api.yaml
@@ -1093,6 +1093,8 @@ paths:
                 eventMessage:
                   description: "Will be part of the published message on spend"
                   type: "string"
+                confTarget:
+                  type: "number"
       responses:
         '200':
           description: "operation successful"
diff --git a/proxy_docker/app/script/requesthandler.sh b/proxy_docker/app/script/requesthandler.sh
index 613545c..5eedc8e 100644
--- a/proxy_docker/app/script/requesthandler.sh
+++ b/proxy_docker/app/script/requesthandler.sh
@@ -283,7 +283,7 @@ main() {
           ;;
         spend)
           # POST http://192.168.111.152:8080/spend
-          # BODY {"address":"2N8DcqzfkYi8CkYzvNNS5amoq3SbAcQNXKp","amount":0.00233,"eventMessage":"eyJ3aGF0ZXZlciI6MTIzfQo="}
+          # BODY {"address":"2N8DcqzfkYi8CkYzvNNS5amoq3SbAcQNXKp","amount":0.00233,"eventMessage":"eyJ3aGF0ZXZlciI6MTIzfQo=","confTarget":6}
 
           response=$(spend "${line}")
           response_to_client "${response}" ${?}
diff --git a/proxy_docker/app/script/walletoperations.sh b/proxy_docker/app/script/walletoperations.sh
index 6537bb7..084defd 100644
--- a/proxy_docker/app/script/walletoperations.sh
+++ b/proxy_docker/app/script/walletoperations.sh
@@ -12,12 +12,14 @@ spend() {
   trace "[spend] address=${address}"
   local amount=$(echo "${request}" | jq -r ".amount" | awk '{ printf "%.8f", $0 }')
   trace "[spend] amount=${amount}"
+  local conf_target=$(echo "${request}" | jq ".confTarget")
+  trace "[spend] confTarget=${conf_target}"
   local response
   local id_inserted
   local tx_details
   local tx_raw_details
 
-  response=$(send_to_spender_node "{\"method\":\"sendtoaddress\",\"params\":[\"${address}\",${amount}]}")
+  response=$(send_to_spender_node "{\"method\":\"sendtoaddress\",\"params\":[\"${address}\",${amount},\"\",\"\",null,null,${conf_target}]}")
   local returncode=$?
   trace_rc ${returncode}
   trace "[spend] response=${response}"