diff --git a/obp-api/src/main/scala/code/bankconnectors/ConnectorEndpoints.scala b/obp-api/src/main/scala/code/bankconnectors/ConnectorEndpoints.scala
index f0da3eefc..847296689 100644
--- a/obp-api/src/main/scala/code/bankconnectors/ConnectorEndpoints.scala
+++ b/obp-api/src/main/scala/code/bankconnectors/ConnectorEndpoints.scala
@@ -5,7 +5,7 @@ import code.api.util.APIUtil.{OBPEndpoint, _}
 import code.api.util.NewStyle.HttpCode
 import code.api.util.{APIUtil, CallContext, OBPQueryParam}
 import code.api.v3_1_0.OBPAPI3_1_0.oauthServe
-import com.openbankproject.commons.model.InboundAdapterCallContext
+import com.openbankproject.commons.model.{AccountId, BankId, BankIdAccountId, InboundAdapterCallContext}
 import com.openbankproject.commons.util.ReflectUtils
 import com.openbankproject.commons.util.ReflectUtils.{getType, toValueObject}
 import net.liftweb.common.{Box, Empty, Failure, Full}
@@ -36,7 +36,18 @@ object ConnectorEndpoints extends RestHelper{
           OBPQueryParam.toToDate(req.param("toDate"))
         ).filter(_.isDefined).map(_.openOrThrowException("Impossible exception!"))
 
-        val paramValues: Seq[Any] = getParamValues(params, methodSymbol.paramLists.headOption.getOrElse(Nil), optionCC, queryParams)
+        // TODO need wait for confirm the rule, after that do refactor
+        val paramValues: Seq[Any] =
+          if(methodName == "getCoreBankAccounts"){
+            val bankIdAcountIds = params(1).split(";").map(it => {
+              val bkIdAnAcId = it.split(",", 2)
+              BankIdAccountId(BankId(bkIdAnAcId(0)), AccountId(bkIdAnAcId(1)))
+            }).toList
+            Seq(bankIdAcountIds, optionCC)
+          } else {
+            getParamValues(params, methodSymbol.paramLists.headOption.getOrElse(Nil), optionCC, queryParams)
+          }
+
         val  value = invokeMethod(methodSymbol, paramValues :_*)
 
         // convert any to Future[(Box[_], Option[CallContext])]  type
diff --git a/obp-api/src/main/scala/code/bankconnectors/rest/RestConnector_vMar2019.scala b/obp-api/src/main/scala/code/bankconnectors/rest/RestConnector_vMar2019.scala
index 97c327179..1cc7faec3 100644
--- a/obp-api/src/main/scala/code/bankconnectors/rest/RestConnector_vMar2019.scala
+++ b/obp-api/src/main/scala/code/bankconnectors/rest/RestConnector_vMar2019.scala
@@ -441,7 +441,13 @@ trait RestConnector_vMar2019 extends Connector with KafkaHelper with MdcLoggable
   private[this] val baseUrl = "http://localhost:8080/restConnector"
 
   private[this] def getUrl(methodName: String, variables: (String, Any)*):String = {
-    variables.foldLeft(s"$baseUrl/$methodName")((url, pair) => url.concat(s"/${pair._1}/${pair._2}"))
+    // TODO need wait for confirm the rule, after that do refactor
+    val urlValueConverter = (obj: Any) => obj match {
+      case null => ""
+      case seq: Seq[_] => seq.map(_.toString.replaceFirst("^\\w+\\((.*)\\)$", "$1")).mkString(";")
+      case other => other.toString
+    }
+    variables.foldLeft(s"$baseUrl/$methodName")((url, pair) => url.concat(s"/${pair._1}/${urlValueConverter(pair._2)}"))
   }
 
   private[this] def sendRequest[T : TypeTag: Manifest](url: String, callContext: Option[CallContext], method: HttpMethod, entityJsonString: String = "") :Future[Box[T]] = {