diff --git a/src/main/scala/gitbucket/core/api/ApiCommit.scala b/src/main/scala/gitbucket/core/api/ApiCommit.scala
index 95128c1..9229d0c 100644
--- a/src/main/scala/gitbucket/core/api/ApiCommit.scala
+++ b/src/main/scala/gitbucket/core/api/ApiCommit.scala
@@ -20,13 +20,21 @@
   removed: List[String],
   modified: List[String],
   author: ApiPersonIdent,
-  committer: ApiPersonIdent)(repositoryName:RepositoryName) extends FieldSerializable{
-  val url = ApiPath(s"/api/v3/${repositoryName.fullName}/commits/${id}")
-  val html_url = ApiPath(s"/${repositoryName.fullName}/commit/${id}")
+  committer: ApiPersonIdent)(repositoryName:RepositoryName, urlIsHtmlUrl: Boolean) extends FieldSerializable{
+  val url = if(urlIsHtmlUrl){
+    ApiPath(s"/${repositoryName.fullName}/commit/${id}")
+  }else{
+    ApiPath(s"/api/v3/${repositoryName.fullName}/commits/${id}")
+  }
+  val html_url = if(urlIsHtmlUrl){
+    None
+  }else{
+    Some(ApiPath(s"/${repositoryName.fullName}/commit/${id}"))
+  }
 }
 
 object ApiCommit{
-  def apply(git: Git, repositoryName: RepositoryName, commit: CommitInfo): ApiCommit = {
+  def apply(git: Git, repositoryName: RepositoryName, commit: CommitInfo, urlIsHtmlUrl: Boolean = false): ApiCommit = {
     val diffs = JGitUtil.getDiffs(git, commit.id, false)
     ApiCommit(
       id        = commit.id,
@@ -43,6 +51,7 @@
       },
       author    = ApiPersonIdent.author(commit),
       committer = ApiPersonIdent.committer(commit)
-    )(repositoryName)
+    )(repositoryName, urlIsHtmlUrl)
   }
+  def forPushPayload(git: Git, repositoryName: RepositoryName, commit: CommitInfo): ApiCommit = apply(git, repositoryName, commit, true)
 }
diff --git a/src/main/scala/gitbucket/core/api/ApiPushCommit.scala b/src/main/scala/gitbucket/core/api/ApiPushCommit.scala
deleted file mode 100644
index 46a99e0..0000000
--- a/src/main/scala/gitbucket/core/api/ApiPushCommit.scala
+++ /dev/null
@@ -1,39 +0,0 @@
-package gitbucket.core.api
-
-import gitbucket.core.util.JGitUtil
-import gitbucket.core.util.JGitUtil.CommitInfo
-import gitbucket.core.util.RepositoryName
-
-import org.eclipse.jgit.diff.DiffEntry
-import org.eclipse.jgit.api.Git
-
-import java.util.Date
-
-/**
- * https://developer.github.com/v3/activity/events/types/#pushevent
- */
-case class ApiPushCommit(
-  id: String,
-  message: String,
-  timestamp: Date,
-  added: List[String],
-  removed: List[String],
-  modified: List[String],
-  author: ApiPersonIdent,
-  committer: ApiPersonIdent)(repositoryName:RepositoryName) extends FieldSerializable {
-  val url = ApiPath(s"/${repositoryName.fullName}/commit/${id}")
-}
-
-object ApiPushCommit{
-  def apply(commit: ApiCommit, repositoryName: RepositoryName): ApiPushCommit = ApiPushCommit(
-    id = commit.id,
-    message = commit.message,
-    timestamp = commit.timestamp,
-    added = commit.added,
-    removed = commit.removed,
-    modified = commit.modified,
-    author = commit.author,
-    committer = commit.committer)(repositoryName)
-  def apply(git: Git, repositoryName: RepositoryName, commit: CommitInfo): ApiPushCommit =
-    ApiPushCommit(ApiCommit(git, repositoryName, commit), repositoryName)
-}
diff --git a/src/main/scala/gitbucket/core/api/ApiRepository.scala b/src/main/scala/gitbucket/core/api/ApiRepository.scala
index ee97ea3..dce8443 100644
--- a/src/main/scala/gitbucket/core/api/ApiRepository.scala
+++ b/src/main/scala/gitbucket/core/api/ApiRepository.scala
@@ -13,10 +13,14 @@
   forks: Int,
   `private`: Boolean,
   default_branch: String,
-  owner: ApiUser) {
+  owner: ApiUser)(urlIsHtmlUrl: Boolean) {
   val forks_count   = forks
   val watchers_count = watchers
-  val url       = ApiPath(s"/api/v3/repos/${full_name}")
+  val url       = if(urlIsHtmlUrl){
+    ApiPath(s"/${full_name}")
+  }else{
+    ApiPath(s"/api/v3/repos/${full_name}")
+  }
   val http_url  = ApiPath(s"/git/${full_name}.git")
   val clone_url = ApiPath(s"/git/${full_name}.git")
   val html_url  = ApiPath(s"/${full_name}")
@@ -27,7 +31,8 @@
       repository: Repository,
       owner: ApiUser,
       forkedCount: Int =0,
-      watchers: Int = 0): ApiRepository =
+      watchers: Int = 0,
+      urlIsHtmlUrl: Boolean = false): ApiRepository =
     ApiRepository(
       name        = repository.repositoryName,
       full_name   = s"${repository.userName}/${repository.repositoryName}",
@@ -37,7 +42,7 @@
       `private`   = repository.isPrivate,
       default_branch = repository.defaultBranch,
       owner       = owner
-    )
+    )(urlIsHtmlUrl)
 
   def apply(repositoryInfo: RepositoryInfo, owner: ApiUser): ApiRepository =
     ApiRepository(repositoryInfo.repository, owner, forkedCount=repositoryInfo.forkedCount)
@@ -45,4 +50,7 @@
   def apply(repositoryInfo: RepositoryInfo, owner: Account): ApiRepository =
     this(repositoryInfo.repository, ApiUser(owner))
 
+  def forPushPayload(repositoryInfo: RepositoryInfo, owner: ApiUser): ApiRepository =
+    ApiRepository(repositoryInfo.repository, owner, forkedCount=repositoryInfo.forkedCount, urlIsHtmlUrl=true)
+
 }
diff --git a/src/main/scala/gitbucket/core/controller/RepositorySettingsController.scala b/src/main/scala/gitbucket/core/controller/RepositorySettingsController.scala
index 5fd8ec0..cf5dfe8 100644
--- a/src/main/scala/gitbucket/core/controller/RepositorySettingsController.scala
+++ b/src/main/scala/gitbucket/core/controller/RepositorySettingsController.scala
@@ -14,6 +14,7 @@
 import org.scalatra.i18n.Messages
 import org.eclipse.jgit.api.Git
 import org.eclipse.jgit.lib.Constants
+import org.eclipse.jgit.lib.ObjectId
 
 
 class RepositorySettingsController extends RepositorySettingsControllerBase
@@ -165,13 +166,15 @@
       import scala.collection.JavaConverters._
       val commits = if(repository.commitCount == 0) List.empty else git.log
         .add(git.getRepository.resolve(repository.repository.defaultBranch))
-        .setMaxCount(3)
-        .call.iterator.asScala.map(new CommitInfo(_))
+        .setMaxCount(4)
+        .call.iterator.asScala.map(new CommitInfo(_)).toList
 
       getAccountByUserName(repository.owner).foreach { ownerAccount =>
         callWebHook("push",
           List(WebHook(repository.owner, repository.name, form.url)),
-          WebHookPushPayload(git, ownerAccount, "refs/heads/" + repository.repository.defaultBranch, repository, commits.toList, ownerAccount)
+          WebHookPushPayload(git, ownerAccount, "refs/heads/" + repository.repository.defaultBranch, repository, (if(commits.isEmpty){Nil}else{commits.tail}), ownerAccount,
+                             oldId = commits.lastOption.map(_.id).map(ObjectId.fromString).getOrElse(ObjectId.zeroId()),
+                             newId = commits.headOption.map(_.id).map(ObjectId.fromString).getOrElse(ObjectId.zeroId()))
         )
       }
       flash += "url"  -> form.url
diff --git a/src/main/scala/gitbucket/core/controller/RepositoryViewerController.scala b/src/main/scala/gitbucket/core/controller/RepositoryViewerController.scala
index 27afd47..989af69 100644
--- a/src/main/scala/gitbucket/core/controller/RepositoryViewerController.scala
+++ b/src/main/scala/gitbucket/core/controller/RepositoryViewerController.scala
@@ -669,7 +669,8 @@
         val commit = new JGitUtil.CommitInfo(JGitUtil.getRevCommitFromId(git, commitId))
         callWebHookOf(repository.owner, repository.name, "push") {
           getAccountByUserName(repository.owner).map{ ownerAccount =>
-            WebHookPushPayload(git, loginAccount, headName, repository, List(commit), ownerAccount)
+            WebHookPushPayload(git, loginAccount, headName, repository, List(commit), ownerAccount,
+                               oldId = headTip, newId = commitId)
           }
         }
       }
diff --git a/src/main/scala/gitbucket/core/service/WebHookService.scala b/src/main/scala/gitbucket/core/service/WebHookService.scala
index 25c8e73..da5cdc8 100644
--- a/src/main/scala/gitbucket/core/service/WebHookService.scala
+++ b/src/main/scala/gitbucket/core/service/WebHookService.scala
@@ -12,6 +12,7 @@
 import org.apache.http.client.entity.UrlEncodedFormEntity
 import org.apache.http.message.BasicNameValuePair
 import org.eclipse.jgit.api.Git
+import org.eclipse.jgit.lib.ObjectId
 import org.slf4j.LoggerFactory
 
 
@@ -192,21 +193,33 @@
   case class WebHookPushPayload(
     pusher: ApiUser,
     ref: String,
-    commits: List[ApiPushCommit],
+    before: String,
+    after: String,
+    commits: List[ApiCommit],
     repository: ApiRepository
-  ) extends WebHookPayload
+  ) extends FieldSerializable with WebHookPayload {
+    val compare = commits.size match {
+      case 0 => ApiPath(s"/${repository.full_name}") // maybe test hook on un-initalied repository
+      case 1 => ApiPath(s"/${repository.full_name}/commit/${after}")
+      case _ if before.filterNot(_=='0').isEmpty => ApiPath(s"/${repository.full_name}/compare/${commits.head.id}^...${after}")
+      case _ => ApiPath(s"/${repository.full_name}/compare/${before}...${after}")
+    }
+    val head_commit = commits.lastOption
+  }
 
   object WebHookPushPayload {
     def apply(git: Git, pusher: Account, refName: String, repositoryInfo: RepositoryInfo,
-              commits: List[CommitInfo], repositoryOwner: Account): WebHookPushPayload =
+              commits: List[CommitInfo], repositoryOwner: Account,
+              newId: ObjectId, oldId: ObjectId): WebHookPushPayload =
       WebHookPushPayload(
-        ApiUser(pusher),
-        refName,
-        commits.map{ commit => ApiPushCommit(git, RepositoryName(repositoryInfo), commit) },
-        ApiRepository(
+        pusher     = ApiUser(pusher),
+        ref        = refName,
+        before     = ObjectId.toString(oldId),
+        after      = ObjectId.toString(newId),
+        commits    = commits.map{ commit => ApiCommit.forPushPayload(git, RepositoryName(repositoryInfo), commit) },
+        repository = ApiRepository.forPushPayload(
           repositoryInfo,
-          owner= ApiUser(repositoryOwner)
-        )
+          owner= ApiUser(repositoryOwner))
       )
   }
 
diff --git a/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala b/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala
index 3deecfb..0c12872 100644
--- a/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala
+++ b/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala
@@ -203,7 +203,8 @@
           callWebHookOf(owner, repository, "push"){
             for(pusherAccount <- getAccountByUserName(pusher);
               ownerAccount   <- getAccountByUserName(owner)) yield {
-              WebHookPushPayload(git, pusherAccount, command.getRefName, repositoryInfo, newCommits, ownerAccount)
+              WebHookPushPayload(git, pusherAccount, command.getRefName, repositoryInfo, newCommits, ownerAccount,
+                                 newId = command.getNewId(), oldId = command.getOldId())
             }
           }
         }
diff --git a/src/test/scala/gitbucket/core/api/JsonFormatSpec.scala b/src/test/scala/gitbucket/core/api/JsonFormatSpec.scala
index f3a2f97..fe317ce 100644
--- a/src/test/scala/gitbucket/core/api/JsonFormatSpec.scala
+++ b/src/test/scala/gitbucket/core/api/JsonFormatSpec.scala
@@ -45,7 +45,7 @@
     forks = 0,
     `private` = false,
     default_branch = "master",
-    owner = apiUser)
+    owner = apiUser)(urlIsHtmlUrl = false)
   val repositoryJson = s"""{
     "name" : "Hello-World",
     "full_name" : "octocat/Hello-World",
@@ -85,7 +85,7 @@
     "url": "http://gitbucket.exmple.com/api/v3/repos/octocat/Hello-World/commits/6dcb09b5b57875f334f61aebed695e2e4193db5e/statuses"
   }"""
 
-  val apiPushCommit = ApiPushCommit(
+  val apiPushCommit = ApiCommit(
     id = "0d1a26e67d8f5eaf1f6ba5c57fc3c7d91ac0fd1c",
     message = "Update README.md",
     timestamp = date1,
@@ -93,7 +93,7 @@
     removed = Nil,
     modified = List("README.md"),
     author = ApiPersonIdent("baxterthehacker","baxterthehacker@users.noreply.github.com",date1),
-    committer = ApiPersonIdent("baxterthehacker","baxterthehacker@users.noreply.github.com",date1))(RepositoryName("baxterthehacker", "public-repo"))
+    committer = ApiPersonIdent("baxterthehacker","baxterthehacker@users.noreply.github.com",date1))(RepositoryName("baxterthehacker", "public-repo"), true)
   val apiPushCommitJson = s"""{
       "id": "0d1a26e67d8f5eaf1f6ba5c57fc3c7d91ac0fd1c",
       // "distinct": true,