diff --git a/src/main/java/com/loafle/overflow/module/history/service/HistoryService.java b/src/main/java/com/loafle/overflow/module/history/service/HistoryService.java
index 397238d..adc31dd 100644
--- a/src/main/java/com/loafle/overflow/module/history/service/HistoryService.java
+++ b/src/main/java/com/loafle/overflow/module/history/service/HistoryService.java
@@ -1,19 +1,24 @@
 package com.loafle.overflow.module.history.service;
 
+import com.loafle.overflow.module.core.annotation.WebappAPI;
 import com.loafle.overflow.module.core.model.PageParams;
 import com.loafle.overflow.module.domain.model.Domain;
 import com.loafle.overflow.module.history.model.History;
 
+import com.loafle.overflow.module.meta.model.MetaHistoryType;
+import com.loafle.overflow.module.probe.model.Probe;
 import org.springframework.data.domain.Page;
 
 public interface HistoryService {
-  // History regist(History history);
+   // ??
+   History regist(History history);
 
-  // Page<History> readAllByProbeAndType(Probe probe, MetaHistoryType type, PageParams pageParams);
-
-  // Page<History> readAllByProbe(Probe probe, PageParams pageParams);
-
-  // Page<History> readAllByDomain(Domain domain, PageParams pageParams);
-
-  // Page<History> readAllByDomainAndType(Domain domain, MetaHistoryType type, PageParams pageParams);
+    @WebappAPI
+   Page<History> readAllByProbeAndType(Probe probe, MetaHistoryType type, PageParams pageParams);
+   @WebappAPI
+   Page<History> readAllByProbe(Probe probe, PageParams pageParams);
+   @WebappAPI
+   Page<History> readAllByDomain(Domain domain, PageParams pageParams);
+   @WebappAPI
+   Page<History> readAllByDomainAndType(Domain domain, MetaHistoryType type, PageParams pageParams);
 }
diff --git a/src/main/java/com/loafle/overflow/module/target/service/TargetDiscoveryService.java b/src/main/java/com/loafle/overflow/module/target/service/TargetDiscoveryService.java
index d783044..607e9e9 100644
--- a/src/main/java/com/loafle/overflow/module/target/service/TargetDiscoveryService.java
+++ b/src/main/java/com/loafle/overflow/module/target/service/TargetDiscoveryService.java
@@ -1,10 +1,18 @@
 package com.loafle.overflow.module.target.service;
 
+import com.loafle.overflow.module.core.annotation.WebappAPI;
+import com.loafle.overflow.module.core.exception.OverflowException;
+import com.loafle.overflow.module.discovery.model.Host;
+import com.loafle.overflow.module.probe.model.Probe;
 import com.loafle.overflow.module.target.model.Target;
 
+import java.util.List;
+
 /**
  * Created by snoop on 17. 6. 28.
  */
 public interface TargetDiscoveryService {
 
+    @WebappAPI
+    boolean saveAllTarget(List<Host> hosts, Probe probe) throws OverflowException;
 }