diff --git a/.gopmfile b/.gopmfile
index 9acb0f95cb..f78fe16561 100644
--- a/.gopmfile
+++ b/.gopmfile
@@ -13,6 +13,7 @@ github.com/codegangsta/cli = commit:7381bc4e62
 github.com/go-sql-driver/mysql = commit:8111ee3ec3
 github.com/go-xorm/core = 
 github.com/go-xorm/xorm = 
+github.com/gogits/go-gogs-client = 
 github.com/gogits/oauth2 = commit:99cbec870a
 github.com/lib/pq = commit:b021d0ef20
 github.com/macaron-contrib/binding = 
diff --git a/cmd/web.go b/cmd/web.go
index acc5cc8f4f..0c62c8c291 100644
--- a/cmd/web.go
+++ b/cmd/web.go
@@ -184,7 +184,7 @@ func runWeb(*cli.Context) {
 			})
 
 			m.Any("/*", func(ctx *middleware.Context) {
-				ctx.JSON(404, &base.ApiJsonErr{"Not Found", v1.DOC_URL})
+				ctx.JSON(404, &base.ApiJsonErr{"Not Found", base.DOC_URL})
 			})
 		})
 	})
diff --git a/gogs.go b/gogs.go
index bd6a2541bc..0c01cfcc19 100644
--- a/gogs.go
+++ b/gogs.go
@@ -17,7 +17,7 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
-const APP_VER = "0.5.8.1113 Beta"
+const APP_VER = "0.5.8.1114 Beta"
 
 func init() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
diff --git a/models/webhook.go b/models/webhook.go
index dbaac3e667..2f2accf9d2 100644
--- a/models/webhook.go
+++ b/models/webhook.go
@@ -72,6 +72,8 @@ type Webhook struct {
 	HookTaskType HookTaskType
 	Meta         string `xorm:"TEXT"` // store hook-specific attributes
 	OrgId        int64
+	Created      time.Time `xorm:"CREATED"`
+	Updated      time.Time `xorm:"UPDATED"`
 }
 
 // GetEvent handles conversion from Events to HookEvent.
diff --git a/modules/base/base.go b/modules/base/base.go
index 97c853c64d..6bd294680c 100644
--- a/modules/base/base.go
+++ b/modules/base/base.go
@@ -4,6 +4,8 @@
 
 package base
 
+const DOC_URL = "http://gogs.io/docs"
+
 type (
 	TplName string
 
diff --git a/modules/middleware/repo.go b/modules/middleware/repo.go
index eb1aa128ae..d01f93fa4c 100644
--- a/modules/middleware/repo.go
+++ b/modules/middleware/repo.go
@@ -13,12 +13,12 @@ import (
 	"github.com/Unknwon/macaron"
 
 	"github.com/gogits/gogs/models"
+	"github.com/gogits/gogs/modules/base"
 	"github.com/gogits/gogs/modules/git"
 	"github.com/gogits/gogs/modules/log"
 	"github.com/gogits/gogs/modules/setting"
 )
 
-// FIXME: response error in JSON.
 func ApiRepoAssignment() macaron.Handler {
 	return func(ctx *Context) {
 		userName := ctx.Params(":username")
@@ -33,7 +33,7 @@ func ApiRepoAssignment() macaron.Handler {
 		if ctx.IsSigned {
 			ctx.Repo.IsOwner, err = models.HasAccess(ctx.User.Name, userName+"/"+repoName, models.WRITABLE)
 			if err != nil {
-				ctx.Handle(500, "HasAccess", err)
+				ctx.JSON(500, &base.ApiJsonErr{"HasAccess: " + err.Error(), base.DOC_URL})
 				return
 			}
 			ctx.Repo.IsTrueOwner = ctx.User.LowerName == strings.ToLower(userName)
@@ -45,7 +45,7 @@ func ApiRepoAssignment() macaron.Handler {
 				if err == models.ErrUserNotExist {
 					ctx.Error(404)
 				} else {
-					ctx.Handle(500, "GetUserByName", err)
+					ctx.JSON(500, &base.ApiJsonErr{"GetUserByName: " + err.Error(), base.DOC_URL})
 				}
 				return
 			}
@@ -66,10 +66,10 @@ func ApiRepoAssignment() macaron.Handler {
 				ctx.Error(404)
 				return
 			}
-			ctx.Handle(500, "GetRepositoryByName", err)
+			ctx.JSON(500, &base.ApiJsonErr{"GetRepositoryByName: " + err.Error(), base.DOC_URL})
 			return
 		} else if err = repo.GetOwner(); err != nil {
-			ctx.Handle(500, "GetOwner", err)
+			ctx.JSON(500, &base.ApiJsonErr{"GetOwner: " + err.Error(), base.DOC_URL})
 			return
 		}
 
@@ -82,7 +82,7 @@ func ApiRepoAssignment() macaron.Handler {
 			if u.IsOrganization() {
 				auth, err := models.GetHighestAuthorize(u.Id, ctx.User.Id, repo.Id, 0)
 				if err != nil {
-					ctx.Handle(500, "GetHighestAuthorize", err)
+					ctx.JSON(500, &base.ApiJsonErr{"GetHighestAuthorize: " + err.Error(), base.DOC_URL})
 					return
 				}
 				if auth == models.ORG_ADMIN {
@@ -101,7 +101,7 @@ func ApiRepoAssignment() macaron.Handler {
 
 			hasAccess, err := models.HasAccess(ctx.User.Name, ctx.Repo.Owner.Name+"/"+repo.Name, models.READABLE)
 			if err != nil {
-				ctx.Handle(500, "HasAccess", err)
+				ctx.JSON(500, &base.ApiJsonErr{"HasAccess: " + err.Error(), base.DOC_URL})
 				return
 			} else if !hasAccess {
 				ctx.Error(404)
diff --git a/routers/api/v1/miscellaneous.go b/routers/api/v1/miscellaneous.go
index f75ae264c2..b3291fc126 100644
--- a/routers/api/v1/miscellaneous.go
+++ b/routers/api/v1/miscellaneous.go
@@ -13,12 +13,10 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
-const DOC_URL = "http://gogs.io/docs"
-
 // Render an arbitrary Markdown document.
 func Markdown(ctx *middleware.Context, form apiv1.MarkdownForm) {
 	if ctx.HasApiError() {
-		ctx.JSON(422, base.ApiJsonErr{ctx.GetErrMsg(), DOC_URL})
+		ctx.JSON(422, base.ApiJsonErr{ctx.GetErrMsg(), base.DOC_URL})
 		return
 	}
 
@@ -35,7 +33,7 @@ func Markdown(ctx *middleware.Context, form apiv1.MarkdownForm) {
 func MarkdownRaw(ctx *middleware.Context) {
 	body, err := ctx.Req.Body().Bytes()
 	if err != nil {
-		ctx.JSON(422, base.ApiJsonErr{err.Error(), DOC_URL})
+		ctx.JSON(422, base.ApiJsonErr{err.Error(), base.DOC_URL})
 		return
 	}
 	ctx.Write(base.RenderRawMarkdown(body, ""))
diff --git a/routers/api/v1/repo.go b/routers/api/v1/repo.go
index e2d1dcb724..aeb22876bc 100644
--- a/routers/api/v1/repo.go
+++ b/routers/api/v1/repo.go
@@ -11,6 +11,8 @@ import (
 
 	"github.com/Unknwon/com"
 
+	api "github.com/gogits/go-gogs-client"
+
 	"github.com/gogits/gogs/models"
 	"github.com/gogits/gogs/modules/auth"
 	"github.com/gogits/gogs/modules/log"
@@ -18,24 +20,6 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
-type ApiPermission struct {
-	Admin bool `json:"admin"`
-	Push  bool `json:"push"`
-	Pull  bool `json:"pull"`
-}
-
-type ApiRepository struct {
-	Id          int64         `json:"id"`
-	Owner       ApiUser       `json:"owner"`
-	FullName    string        `json:"full_name"`
-	Private     bool          `json:"private"`
-	Fork        bool          `json:"fork"`
-	HtmlUrl     string        `json:"html_url"`
-	CloneUrl    string        `json:"clone_url"`
-	SshUrl      string        `json:"ssh_url"`
-	Permissions ApiPermission `json:"permissions"`
-}
-
 func SearchRepos(ctx *middleware.Context) {
 	opt := models.SearchOption{
 		Keyword: path.Base(ctx.Query("q")),
@@ -75,7 +59,7 @@ func SearchRepos(ctx *middleware.Context) {
 		return
 	}
 
-	results := make([]*ApiRepository, len(repos))
+	results := make([]*api.Repository, len(repos))
 	for i := range repos {
 		if err = repos[i].GetOwner(); err != nil {
 			ctx.JSON(500, map[string]interface{}{
@@ -84,7 +68,7 @@ func SearchRepos(ctx *middleware.Context) {
 			})
 			return
 		}
-		results[i] = &ApiRepository{
+		results[i] = &api.Repository{
 			Id:       repos[i].Id,
 			FullName: path.Join(repos[i].Owner.Name, repos[i].Name),
 		}
@@ -199,12 +183,12 @@ func ListMyRepos(ctx *middleware.Context) {
 		sshUrlFmt = "ssh://%s@%s:%d/%s/%s.git"
 	}
 
-	repos := make([]*ApiRepository, numOwnRepos+len(collaRepos))
+	repos := make([]*api.Repository, numOwnRepos+len(collaRepos))
 	// FIXME: make only one loop
 	for i := range ownRepos {
-		repos[i] = &ApiRepository{
+		repos[i] = &api.Repository{
 			Id: ownRepos[i].Id,
-			Owner: ApiUser{
+			Owner: api.User{
 				Id:        ctx.User.Id,
 				UserName:  ctx.User.Name,
 				AvatarUrl: string(setting.Protocol) + ctx.User.AvatarLink(),
@@ -214,7 +198,7 @@ func ListMyRepos(ctx *middleware.Context) {
 			Fork:        ownRepos[i].IsFork,
 			HtmlUrl:     setting.AppUrl + ctx.User.Name + "/" + ownRepos[i].Name,
 			SshUrl:      fmt.Sprintf(sshUrlFmt, setting.RunUser, setting.Domain, ctx.User.LowerName, ownRepos[i].LowerName),
-			Permissions: ApiPermission{true, true, true},
+			Permissions: api.Permission{true, true, true},
 		}
 		repos[i].CloneUrl = repos[i].HtmlUrl + ".git"
 	}
@@ -227,9 +211,9 @@ func ListMyRepos(ctx *middleware.Context) {
 			return
 		}
 		j := i + numOwnRepos
-		repos[j] = &ApiRepository{
+		repos[j] = &api.Repository{
 			Id: collaRepos[i].Id,
-			Owner: ApiUser{
+			Owner: api.User{
 				Id:        collaRepos[i].Owner.Id,
 				UserName:  collaRepos[i].Owner.Name,
 				AvatarUrl: string(setting.Protocol) + collaRepos[i].Owner.AvatarLink(),
@@ -239,7 +223,7 @@ func ListMyRepos(ctx *middleware.Context) {
 			Fork:        collaRepos[i].IsFork,
 			HtmlUrl:     setting.AppUrl + collaRepos[i].Owner.Name + "/" + collaRepos[i].Name,
 			SshUrl:      fmt.Sprintf(sshUrlFmt, setting.RunUser, setting.Domain, collaRepos[i].Owner.LowerName, collaRepos[i].LowerName),
-			Permissions: ApiPermission{false, collaRepos[i].CanPush, true},
+			Permissions: api.Permission{false, collaRepos[i].CanPush, true},
 		}
 		repos[j].CloneUrl = repos[j].HtmlUrl + ".git"
 
diff --git a/routers/api/v1/repo_hooks.go b/routers/api/v1/repo_hooks.go
index 2dcb558737..49bf8e4679 100644
--- a/routers/api/v1/repo_hooks.go
+++ b/routers/api/v1/repo_hooks.go
@@ -7,34 +7,25 @@ package v1
 import (
 	"encoding/json"
 
+	api "github.com/gogits/go-gogs-client"
+
 	"github.com/gogits/gogs/models"
 	"github.com/gogits/gogs/modules/base"
 	"github.com/gogits/gogs/modules/middleware"
 )
 
-type ApiHook struct {
-	Id     int64             `json:"id"`
-	Type   string            `json:"type"`
-	Events []string          `json:"events"`
-	Active bool              `json:"active"`
-	Config map[string]string `json:"config"`
-}
-
 // GET /repos/:username/:reponame/hooks
 // https://developer.github.com/v3/repos/hooks/#list-hooks
 func ListRepoHooks(ctx *middleware.Context) {
 	hooks, err := models.GetWebhooksByRepoId(ctx.Repo.Repository.Id)
 	if err != nil {
-		ctx.JSON(500, map[string]interface{}{
-			"ok":    false,
-			"error": err.Error(),
-		})
+		ctx.JSON(500, &base.ApiJsonErr{"GetWebhooksByRepoId: " + err.Error(), base.DOC_URL})
 		return
 	}
 
-	apiHooks := make([]*ApiHook, len(hooks))
+	apiHooks := make([]*api.Hook, len(hooks))
 	for i := range hooks {
-		h := &ApiHook{
+		h := &api.Hook{
 			Id:     hooks[i].Id,
 			Type:   hooks[i].HookTaskType.Name(),
 			Active: hooks[i].IsActive,
@@ -67,17 +58,17 @@ type CreateRepoHookForm struct {
 // https://developer.github.com/v3/repos/hooks/#create-a-hook
 func CreateRepoHook(ctx *middleware.Context, form CreateRepoHookForm) {
 	if !models.IsValidHookTaskType(form.Type) {
-		ctx.JSON(422, &base.ApiJsonErr{"invalid hook type", DOC_URL})
+		ctx.JSON(422, &base.ApiJsonErr{"invalid hook type", base.DOC_URL})
 		return
 	}
 	for _, name := range []string{"url", "content_type"} {
 		if _, ok := form.Config[name]; !ok {
-			ctx.JSON(422, &base.ApiJsonErr{"missing config option: " + name, DOC_URL})
+			ctx.JSON(422, &base.ApiJsonErr{"missing config option: " + name, base.DOC_URL})
 			return
 		}
 	}
 	if !models.IsValidHookContentType(form.Config["content_type"]) {
-		ctx.JSON(422, &base.ApiJsonErr{"invalid content type", DOC_URL})
+		ctx.JSON(422, &base.ApiJsonErr{"invalid content type", base.DOC_URL})
 		return
 	}
 
@@ -95,24 +86,24 @@ func CreateRepoHook(ctx *middleware.Context, form CreateRepoHookForm) {
 	if w.HookTaskType == models.SLACK {
 		channel, ok := form.Config["channel"]
 		if !ok {
-			ctx.JSON(422, &base.ApiJsonErr{"missing config option: channel", DOC_URL})
+			ctx.JSON(422, &base.ApiJsonErr{"missing config option: channel", base.DOC_URL})
 			return
 		}
 		meta, err := json.Marshal(&models.Slack{
 			Channel: channel,
 		})
 		if err != nil {
-			ctx.JSON(500, &base.ApiJsonErr{"slack: JSON marshal failed: " + err.Error(), DOC_URL})
+			ctx.JSON(500, &base.ApiJsonErr{"slack: JSON marshal failed: " + err.Error(), base.DOC_URL})
 			return
 		}
 		w.Meta = string(meta)
 	}
 
 	if err := w.UpdateEvent(); err != nil {
-		ctx.JSON(500, &base.ApiJsonErr{"UpdateEvent: " + err.Error(), DOC_URL})
+		ctx.JSON(500, &base.ApiJsonErr{"UpdateEvent: " + err.Error(), base.DOC_URL})
 		return
 	} else if err := models.CreateWebhook(w); err != nil {
-		ctx.JSON(500, &base.ApiJsonErr{"CreateWebhook: " + err.Error(), DOC_URL})
+		ctx.JSON(500, &base.ApiJsonErr{"CreateWebhook: " + err.Error(), base.DOC_URL})
 		return
 	}
 
@@ -131,7 +122,7 @@ type EditRepoHookForm struct {
 func EditRepoHook(ctx *middleware.Context, form EditRepoHookForm) {
 	w, err := models.GetWebhookById(ctx.ParamsInt64(":id"))
 	if err != nil {
-		ctx.JSON(500, &base.ApiJsonErr{"GetWebhookById: " + err.Error(), DOC_URL})
+		ctx.JSON(500, &base.ApiJsonErr{"GetWebhookById: " + err.Error(), base.DOC_URL})
 		return
 	}
 
@@ -141,7 +132,7 @@ func EditRepoHook(ctx *middleware.Context, form EditRepoHookForm) {
 		}
 		if ct, ok := form.Config["content_type"]; ok {
 			if !models.IsValidHookContentType(ct) {
-				ctx.JSON(422, &base.ApiJsonErr{"invalid content type", DOC_URL})
+				ctx.JSON(422, &base.ApiJsonErr{"invalid content type", base.DOC_URL})
 				return
 			}
 			w.ContentType = models.ToHookContentType(ct)
@@ -153,7 +144,7 @@ func EditRepoHook(ctx *middleware.Context, form EditRepoHookForm) {
 					Channel: channel,
 				})
 				if err != nil {
-					ctx.JSON(500, &base.ApiJsonErr{"slack: JSON marshal failed: " + err.Error(), DOC_URL})
+					ctx.JSON(500, &base.ApiJsonErr{"slack: JSON marshal failed: " + err.Error(), base.DOC_URL})
 					return
 				}
 				w.Meta = string(meta)
@@ -167,7 +158,7 @@ func EditRepoHook(ctx *middleware.Context, form EditRepoHookForm) {
 
 	// FIXME: edit events
 	if err := models.UpdateWebhook(w); err != nil {
-		ctx.JSON(500, &base.ApiJsonErr{"UpdateWebhook: " + err.Error(), DOC_URL})
+		ctx.JSON(500, &base.ApiJsonErr{"UpdateWebhook: " + err.Error(), base.DOC_URL})
 		return
 	}
 
diff --git a/routers/api/v1/users.go b/routers/api/v1/users.go
index 50b213eda2..e0f51ca847 100644
--- a/routers/api/v1/users.go
+++ b/routers/api/v1/users.go
@@ -7,16 +7,12 @@ package v1
 import (
 	"github.com/Unknwon/com"
 
+	api "github.com/gogits/go-gogs-client"
+
 	"github.com/gogits/gogs/models"
 	"github.com/gogits/gogs/modules/middleware"
 )
 
-type ApiUser struct {
-	Id        int64  `json:"id"`
-	UserName  string `json:"username"`
-	AvatarUrl string `json:"avatar_url"`
-}
-
 func SearchUsers(ctx *middleware.Context) {
 	opt := models.SearchOption{
 		Keyword: ctx.Query("q"),
@@ -35,9 +31,9 @@ func SearchUsers(ctx *middleware.Context) {
 		return
 	}
 
-	results := make([]*ApiUser, len(us))
+	results := make([]*api.User, len(us))
 	for i := range us {
-		results[i] = &ApiUser{
+		results[i] = &api.User{
 			UserName:  us[i].Name,
 			AvatarUrl: us[i].AvatarLink(),
 		}
diff --git a/templates/.VERSION b/templates/.VERSION
index 4cbfec6c87..a60a985a7d 100644
--- a/templates/.VERSION
+++ b/templates/.VERSION
@@ -1 +1 @@
-0.5.8.1113 Beta
\ No newline at end of file
+0.5.8.1114 Beta
\ No newline at end of file