diff --git a/.golangci.yml b/.golangci.yml
index b0e652bb6f..34752127e0 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -101,6 +101,9 @@ issues:
     - path: cmd/dump.go
       linters:
         - dupl
+    - path: services/webhook/webhook.go
+      linters:
+        - structcheck
     - text: "commentFormatting: put a space between `//` and comment text"
       linters:
         - gocritic
diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go
index d1f2c750e3..b58c0551b5 100644
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@@ -265,6 +265,8 @@ var migrations = []Migration{
 	NewMigration("update reactions constraint", updateReactionConstraint),
 	// v160 -> v161
 	NewMigration("Add block on official review requests branch protection", addBlockOnOfficialReviewRequests),
+	// v161 -> v162
+	NewMigration("Convert task type from int to string", convertTaskTypeToString),
 }
 
 // GetCurrentDBVersion returns the current db version
diff --git a/models/migrations/v161.go b/models/migrations/v161.go
new file mode 100644
index 0000000000..127dca1500
--- /dev/null
+++ b/models/migrations/v161.go
@@ -0,0 +1,59 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package migrations
+
+import (
+	"xorm.io/xorm"
+)
+
+func convertTaskTypeToString(x *xorm.Engine) error {
+	const (
+		GOGS int = iota + 1
+		SLACK
+		GITEA
+		DISCORD
+		DINGTALK
+		TELEGRAM
+		MSTEAMS
+		FEISHU
+		MATRIX
+	)
+
+	var hookTaskTypes = map[int]string{
+		GITEA:    "gitea",
+		GOGS:     "gogs",
+		SLACK:    "slack",
+		DISCORD:  "discord",
+		DINGTALK: "dingtalk",
+		TELEGRAM: "telegram",
+		MSTEAMS:  "msteams",
+		FEISHU:   "feishu",
+		MATRIX:   "matrix",
+	}
+
+	type HookTask struct {
+		Typ string `xorm:"char(16) index"`
+	}
+	if err := x.Sync2(new(HookTask)); err != nil {
+		return err
+	}
+
+	for i, s := range hookTaskTypes {
+		if _, err := x.Exec("UPDATE hook_task set typ = ? where type=?", s, i); err != nil {
+			return err
+		}
+	}
+
+	sess := x.NewSession()
+	defer sess.Close()
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+	if err := dropTableColumns(sess, "hook_task", "type"); err != nil {
+		return err
+	}
+
+	return sess.Commit()
+}
diff --git a/models/webhook.go b/models/webhook.go
index 54cd9b6565..39122808fe 100644
--- a/models/webhook.go
+++ b/models/webhook.go
@@ -547,69 +547,21 @@ func copyDefaultWebhooksToRepo(e Engine, repoID int64) error {
 //        \/                    \/              \/     \/     \/
 
 // HookTaskType is the type of an hook task
-type HookTaskType int
+type HookTaskType string
 
 // Types of hook tasks
 const (
-	GOGS HookTaskType = iota + 1
-	SLACK
-	GITEA
-	DISCORD
-	DINGTALK
-	TELEGRAM
-	MSTEAMS
-	FEISHU
-	MATRIX
+	GITEA    HookTaskType = "gitea"
+	GOGS     HookTaskType = "gogs"
+	SLACK    HookTaskType = "slack"
+	DISCORD  HookTaskType = "discord"
+	DINGTALK HookTaskType = "dingtalk"
+	TELEGRAM HookTaskType = "telegram"
+	MSTEAMS  HookTaskType = "msteams"
+	FEISHU   HookTaskType = "feishu"
+	MATRIX   HookTaskType = "matrix"
 )
 
-var hookTaskTypes = map[string]HookTaskType{
-	"gitea":    GITEA,
-	"gogs":     GOGS,
-	"slack":    SLACK,
-	"discord":  DISCORD,
-	"dingtalk": DINGTALK,
-	"telegram": TELEGRAM,
-	"msteams":  MSTEAMS,
-	"feishu":   FEISHU,
-	"matrix":   MATRIX,
-}
-
-// ToHookTaskType returns HookTaskType by given name.
-func ToHookTaskType(name string) HookTaskType {
-	return hookTaskTypes[name]
-}
-
-// Name returns the name of an hook task type
-func (t HookTaskType) Name() string {
-	switch t {
-	case GITEA:
-		return "gitea"
-	case GOGS:
-		return "gogs"
-	case SLACK:
-		return "slack"
-	case DISCORD:
-		return "discord"
-	case DINGTALK:
-		return "dingtalk"
-	case TELEGRAM:
-		return "telegram"
-	case MSTEAMS:
-		return "msteams"
-	case FEISHU:
-		return "feishu"
-	case MATRIX:
-		return "matrix"
-	}
-	return ""
-}
-
-// IsValidHookTaskType returns true if given name is a valid hook task type.
-func IsValidHookTaskType(name string) bool {
-	_, ok := hookTaskTypes[name]
-	return ok
-}
-
 // HookEventType is the type of an hook event
 type HookEventType string
 
@@ -687,7 +639,7 @@ type HookTask struct {
 	RepoID          int64 `xorm:"INDEX"`
 	HookID          int64
 	UUID            string
-	Type            HookTaskType
+	Typ             HookTaskType
 	URL             string `xorm:"TEXT"`
 	Signature       string `xorm:"TEXT"`
 	api.Payloader   `xorm:"-"`
diff --git a/models/webhook_test.go b/models/webhook_test.go
index 5ee7f9159b..20acb4e93c 100644
--- a/models/webhook_test.go
+++ b/models/webhook_test.go
@@ -185,28 +185,6 @@ func TestDeleteWebhookByOrgID(t *testing.T) {
 	assert.True(t, IsErrWebhookNotExist(err))
 }
 
-func TestToHookTaskType(t *testing.T) {
-	assert.Equal(t, GOGS, ToHookTaskType("gogs"))
-	assert.Equal(t, SLACK, ToHookTaskType("slack"))
-	assert.Equal(t, GITEA, ToHookTaskType("gitea"))
-	assert.Equal(t, TELEGRAM, ToHookTaskType("telegram"))
-}
-
-func TestHookTaskType_Name(t *testing.T) {
-	assert.Equal(t, "gogs", GOGS.Name())
-	assert.Equal(t, "slack", SLACK.Name())
-	assert.Equal(t, "gitea", GITEA.Name())
-	assert.Equal(t, "telegram", TELEGRAM.Name())
-}
-
-func TestIsValidHookTaskType(t *testing.T) {
-	assert.True(t, IsValidHookTaskType("gogs"))
-	assert.True(t, IsValidHookTaskType("slack"))
-	assert.True(t, IsValidHookTaskType("gitea"))
-	assert.True(t, IsValidHookTaskType("telegram"))
-	assert.False(t, IsValidHookTaskType("invalid"))
-}
-
 func TestHookTasks(t *testing.T) {
 	assert.NoError(t, PrepareTestDatabase())
 	hookTasks, err := HookTasks(1, 1)
@@ -225,7 +203,7 @@ func TestCreateHookTask(t *testing.T) {
 	hookTask := &HookTask{
 		RepoID:    3,
 		HookID:    3,
-		Type:      GITEA,
+		Typ:       GITEA,
 		URL:       "http://www.example.com/unit_test",
 		Payloader: &api.PushPayload{},
 	}
diff --git a/modules/convert/convert.go b/modules/convert/convert.go
index 4d4d9396fe..9c90e6ac51 100644
--- a/modules/convert/convert.go
+++ b/modules/convert/convert.go
@@ -16,7 +16,7 @@ import (
 	"code.gitea.io/gitea/modules/structs"
 	api "code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/util"
-	"code.gitea.io/gitea/modules/webhook"
+	"code.gitea.io/gitea/services/webhook"
 
 	"github.com/unknwon/com"
 )
@@ -237,7 +237,7 @@ func ToHook(repoLink string, w *models.Webhook) *api.Hook {
 
 	return &api.Hook{
 		ID:      w.ID,
-		Type:    w.HookTaskType.Name(),
+		Type:    string(w.HookTaskType),
 		URL:     fmt.Sprintf("%s/settings/hooks/%d", repoLink, w.ID),
 		Active:  w.IsActive,
 		Config:  config,
diff --git a/modules/notification/webhook/webhook.go b/modules/notification/webhook/webhook.go
index 4c9c213f18..2a06eba219 100644
--- a/modules/notification/webhook/webhook.go
+++ b/modules/notification/webhook/webhook.go
@@ -13,7 +13,7 @@ import (
 	"code.gitea.io/gitea/modules/repository"
 	"code.gitea.io/gitea/modules/setting"
 	api "code.gitea.io/gitea/modules/structs"
-	webhook_module "code.gitea.io/gitea/modules/webhook"
+	webhook_services "code.gitea.io/gitea/services/webhook"
 )
 
 type webhookNotifier struct {
@@ -48,7 +48,7 @@ func (m *webhookNotifier) NotifyIssueClearLabels(doer *models.User, issue *model
 			return
 		}
 
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventPullRequestLabel, &api.PullRequestPayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventPullRequestLabel, &api.PullRequestPayload{
 			Action:      api.HookIssueLabelCleared,
 			Index:       issue.Index,
 			PullRequest: convert.ToAPIPullRequest(issue.PullRequest),
@@ -56,7 +56,7 @@ func (m *webhookNotifier) NotifyIssueClearLabels(doer *models.User, issue *model
 			Sender:      convert.ToUser(doer, false, false),
 		})
 	} else {
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventIssueLabel, &api.IssuePayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventIssueLabel, &api.IssuePayload{
 			Action:     api.HookIssueLabelCleared,
 			Index:      issue.Index,
 			Issue:      convert.ToAPIIssue(issue),
@@ -74,7 +74,7 @@ func (m *webhookNotifier) NotifyForkRepository(doer *models.User, oldRepo, repo
 	mode, _ := models.AccessLevel(doer, repo)
 
 	// forked webhook
-	if err := webhook_module.PrepareWebhooks(oldRepo, models.HookEventFork, &api.ForkPayload{
+	if err := webhook_services.PrepareWebhooks(oldRepo, models.HookEventFork, &api.ForkPayload{
 		Forkee: convert.ToRepo(oldRepo, oldMode),
 		Repo:   convert.ToRepo(repo, mode),
 		Sender: convert.ToUser(doer, false, false),
@@ -86,7 +86,7 @@ func (m *webhookNotifier) NotifyForkRepository(doer *models.User, oldRepo, repo
 
 	// Add to hook queue for created repo after session commit.
 	if u.IsOrganization() {
-		if err := webhook_module.PrepareWebhooks(repo, models.HookEventRepository, &api.RepositoryPayload{
+		if err := webhook_services.PrepareWebhooks(repo, models.HookEventRepository, &api.RepositoryPayload{
 			Action:       api.HookRepoCreated,
 			Repository:   convert.ToRepo(repo, models.AccessModeOwner),
 			Organization: convert.ToUser(u, false, false),
@@ -99,7 +99,7 @@ func (m *webhookNotifier) NotifyForkRepository(doer *models.User, oldRepo, repo
 
 func (m *webhookNotifier) NotifyCreateRepository(doer *models.User, u *models.User, repo *models.Repository) {
 	// Add to hook queue for created repo after session commit.
-	if err := webhook_module.PrepareWebhooks(repo, models.HookEventRepository, &api.RepositoryPayload{
+	if err := webhook_services.PrepareWebhooks(repo, models.HookEventRepository, &api.RepositoryPayload{
 		Action:       api.HookRepoCreated,
 		Repository:   convert.ToRepo(repo, models.AccessModeOwner),
 		Organization: convert.ToUser(u, false, false),
@@ -112,7 +112,7 @@ func (m *webhookNotifier) NotifyCreateRepository(doer *models.User, u *models.Us
 func (m *webhookNotifier) NotifyDeleteRepository(doer *models.User, repo *models.Repository) {
 	u := repo.MustOwner()
 
-	if err := webhook_module.PrepareWebhooks(repo, models.HookEventRepository, &api.RepositoryPayload{
+	if err := webhook_services.PrepareWebhooks(repo, models.HookEventRepository, &api.RepositoryPayload{
 		Action:       api.HookRepoDeleted,
 		Repository:   convert.ToRepo(repo, models.AccessModeOwner),
 		Organization: convert.ToUser(u, false, false),
@@ -143,7 +143,7 @@ func (m *webhookNotifier) NotifyIssueChangeAssignee(doer *models.User, issue *mo
 			apiPullRequest.Action = api.HookIssueAssigned
 		}
 		// Assignee comment triggers a webhook
-		if err := webhook_module.PrepareWebhooks(issue.Repo, models.HookEventPullRequestAssign, apiPullRequest); err != nil {
+		if err := webhook_services.PrepareWebhooks(issue.Repo, models.HookEventPullRequestAssign, apiPullRequest); err != nil {
 			log.Error("PrepareWebhooks [is_pull: %v, remove_assignee: %v]: %v", issue.IsPull, removed, err)
 			return
 		}
@@ -161,7 +161,7 @@ func (m *webhookNotifier) NotifyIssueChangeAssignee(doer *models.User, issue *mo
 			apiIssue.Action = api.HookIssueAssigned
 		}
 		// Assignee comment triggers a webhook
-		if err := webhook_module.PrepareWebhooks(issue.Repo, models.HookEventIssueAssign, apiIssue); err != nil {
+		if err := webhook_services.PrepareWebhooks(issue.Repo, models.HookEventIssueAssign, apiIssue); err != nil {
 			log.Error("PrepareWebhooks [is_pull: %v, remove_assignee: %v]: %v", issue.IsPull, removed, err)
 			return
 		}
@@ -177,7 +177,7 @@ func (m *webhookNotifier) NotifyIssueChangeTitle(doer *models.User, issue *model
 			return
 		}
 		issue.PullRequest.Issue = issue
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
 			Action: api.HookIssueEdited,
 			Index:  issue.Index,
 			Changes: &api.ChangesPayload{
@@ -190,7 +190,7 @@ func (m *webhookNotifier) NotifyIssueChangeTitle(doer *models.User, issue *model
 			Sender:      convert.ToUser(doer, false, false),
 		})
 	} else {
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventIssues, &api.IssuePayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventIssues, &api.IssuePayload{
 			Action: api.HookIssueEdited,
 			Index:  issue.Index,
 			Changes: &api.ChangesPayload{
@@ -229,7 +229,7 @@ func (m *webhookNotifier) NotifyIssueChangeStatus(doer *models.User, issue *mode
 		} else {
 			apiPullRequest.Action = api.HookIssueReOpened
 		}
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, apiPullRequest)
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, apiPullRequest)
 	} else {
 		apiIssue := &api.IssuePayload{
 			Index:      issue.Index,
@@ -242,7 +242,7 @@ func (m *webhookNotifier) NotifyIssueChangeStatus(doer *models.User, issue *mode
 		} else {
 			apiIssue.Action = api.HookIssueReOpened
 		}
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventIssues, apiIssue)
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventIssues, apiIssue)
 	}
 	if err != nil {
 		log.Error("PrepareWebhooks [is_pull: %v, is_closed: %v]: %v", issue.IsPull, isClosed, err)
@@ -260,7 +260,7 @@ func (m *webhookNotifier) NotifyNewIssue(issue *models.Issue) {
 	}
 
 	mode, _ := models.AccessLevel(issue.Poster, issue.Repo)
-	if err := webhook_module.PrepareWebhooks(issue.Repo, models.HookEventIssues, &api.IssuePayload{
+	if err := webhook_services.PrepareWebhooks(issue.Repo, models.HookEventIssues, &api.IssuePayload{
 		Action:     api.HookIssueOpened,
 		Index:      issue.Index,
 		Issue:      convert.ToAPIIssue(issue),
@@ -286,7 +286,7 @@ func (m *webhookNotifier) NotifyNewPullRequest(pull *models.PullRequest) {
 	}
 
 	mode, _ := models.AccessLevel(pull.Issue.Poster, pull.Issue.Repo)
-	if err := webhook_module.PrepareWebhooks(pull.Issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
+	if err := webhook_services.PrepareWebhooks(pull.Issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
 		Action:      api.HookIssueOpened,
 		Index:       pull.Issue.Index,
 		PullRequest: convert.ToAPIPullRequest(pull),
@@ -302,7 +302,7 @@ func (m *webhookNotifier) NotifyIssueChangeContent(doer *models.User, issue *mod
 	var err error
 	if issue.IsPull {
 		issue.PullRequest.Issue = issue
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
 			Action: api.HookIssueEdited,
 			Index:  issue.Index,
 			Changes: &api.ChangesPayload{
@@ -315,7 +315,7 @@ func (m *webhookNotifier) NotifyIssueChangeContent(doer *models.User, issue *mod
 			Sender:      convert.ToUser(doer, false, false),
 		})
 	} else {
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventIssues, &api.IssuePayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventIssues, &api.IssuePayload{
 			Action: api.HookIssueEdited,
 			Index:  issue.Index,
 			Changes: &api.ChangesPayload{
@@ -352,7 +352,7 @@ func (m *webhookNotifier) NotifyUpdateComment(doer *models.User, c *models.Comme
 
 	mode, _ := models.AccessLevel(doer, c.Issue.Repo)
 	if c.Issue.IsPull {
-		err = webhook_module.PrepareWebhooks(c.Issue.Repo, models.HookEventPullRequestComment, &api.IssueCommentPayload{
+		err = webhook_services.PrepareWebhooks(c.Issue.Repo, models.HookEventPullRequestComment, &api.IssueCommentPayload{
 			Action:  api.HookIssueCommentEdited,
 			Issue:   convert.ToAPIIssue(c.Issue),
 			Comment: convert.ToComment(c),
@@ -366,7 +366,7 @@ func (m *webhookNotifier) NotifyUpdateComment(doer *models.User, c *models.Comme
 			IsPull:     true,
 		})
 	} else {
-		err = webhook_module.PrepareWebhooks(c.Issue.Repo, models.HookEventIssueComment, &api.IssueCommentPayload{
+		err = webhook_services.PrepareWebhooks(c.Issue.Repo, models.HookEventIssueComment, &api.IssueCommentPayload{
 			Action:  api.HookIssueCommentEdited,
 			Issue:   convert.ToAPIIssue(c.Issue),
 			Comment: convert.ToComment(c),
@@ -392,7 +392,7 @@ func (m *webhookNotifier) NotifyCreateIssueComment(doer *models.User, repo *mode
 
 	var err error
 	if issue.IsPull {
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventPullRequestComment, &api.IssueCommentPayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventPullRequestComment, &api.IssueCommentPayload{
 			Action:     api.HookIssueCommentCreated,
 			Issue:      convert.ToAPIIssue(issue),
 			Comment:    convert.ToComment(comment),
@@ -401,7 +401,7 @@ func (m *webhookNotifier) NotifyCreateIssueComment(doer *models.User, repo *mode
 			IsPull:     true,
 		})
 	} else {
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventIssueComment, &api.IssueCommentPayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventIssueComment, &api.IssueCommentPayload{
 			Action:     api.HookIssueCommentCreated,
 			Issue:      convert.ToAPIIssue(issue),
 			Comment:    convert.ToComment(comment),
@@ -436,7 +436,7 @@ func (m *webhookNotifier) NotifyDeleteComment(doer *models.User, comment *models
 	mode, _ := models.AccessLevel(doer, comment.Issue.Repo)
 
 	if comment.Issue.IsPull {
-		err = webhook_module.PrepareWebhooks(comment.Issue.Repo, models.HookEventPullRequestComment, &api.IssueCommentPayload{
+		err = webhook_services.PrepareWebhooks(comment.Issue.Repo, models.HookEventPullRequestComment, &api.IssueCommentPayload{
 			Action:     api.HookIssueCommentDeleted,
 			Issue:      convert.ToAPIIssue(comment.Issue),
 			Comment:    convert.ToComment(comment),
@@ -445,7 +445,7 @@ func (m *webhookNotifier) NotifyDeleteComment(doer *models.User, comment *models
 			IsPull:     true,
 		})
 	} else {
-		err = webhook_module.PrepareWebhooks(comment.Issue.Repo, models.HookEventIssueComment, &api.IssueCommentPayload{
+		err = webhook_services.PrepareWebhooks(comment.Issue.Repo, models.HookEventIssueComment, &api.IssueCommentPayload{
 			Action:     api.HookIssueCommentDeleted,
 			Issue:      convert.ToAPIIssue(comment.Issue),
 			Comment:    convert.ToComment(comment),
@@ -485,7 +485,7 @@ func (m *webhookNotifier) NotifyIssueChangeLabels(doer *models.User, issue *mode
 			log.Error("LoadIssue: %v", err)
 			return
 		}
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventPullRequestLabel, &api.PullRequestPayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventPullRequestLabel, &api.PullRequestPayload{
 			Action:      api.HookIssueLabelUpdated,
 			Index:       issue.Index,
 			PullRequest: convert.ToAPIPullRequest(issue.PullRequest),
@@ -493,7 +493,7 @@ func (m *webhookNotifier) NotifyIssueChangeLabels(doer *models.User, issue *mode
 			Sender:      convert.ToUser(doer, false, false),
 		})
 	} else {
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventIssueLabel, &api.IssuePayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventIssueLabel, &api.IssuePayload{
 			Action:     api.HookIssueLabelUpdated,
 			Index:      issue.Index,
 			Issue:      convert.ToAPIIssue(issue),
@@ -527,7 +527,7 @@ func (m *webhookNotifier) NotifyIssueChangeMilestone(doer *models.User, issue *m
 			log.Error("LoadIssue: %v", err)
 			return
 		}
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventPullRequestMilestone, &api.PullRequestPayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventPullRequestMilestone, &api.PullRequestPayload{
 			Action:      hookAction,
 			Index:       issue.Index,
 			PullRequest: convert.ToAPIPullRequest(issue.PullRequest),
@@ -535,7 +535,7 @@ func (m *webhookNotifier) NotifyIssueChangeMilestone(doer *models.User, issue *m
 			Sender:      convert.ToUser(doer, false, false),
 		})
 	} else {
-		err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventIssueMilestone, &api.IssuePayload{
+		err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventIssueMilestone, &api.IssuePayload{
 			Action:     hookAction,
 			Index:      issue.Index,
 			Issue:      convert.ToAPIIssue(issue),
@@ -556,7 +556,7 @@ func (m *webhookNotifier) NotifyPushCommits(pusher *models.User, repo *models.Re
 		return
 	}
 
-	if err := webhook_module.PrepareWebhooks(repo, models.HookEventPush, &api.PushPayload{
+	if err := webhook_services.PrepareWebhooks(repo, models.HookEventPush, &api.PushPayload{
 		Ref:        opts.RefFullName,
 		Before:     opts.OldCommitID,
 		After:      opts.NewCommitID,
@@ -602,7 +602,7 @@ func (*webhookNotifier) NotifyMergePullRequest(pr *models.PullRequest, doer *mod
 		Action:      api.HookIssueClosed,
 	}
 
-	err = webhook_module.PrepareWebhooks(pr.Issue.Repo, models.HookEventPullRequest, apiPullRequest)
+	err = webhook_services.PrepareWebhooks(pr.Issue.Repo, models.HookEventPullRequest, apiPullRequest)
 	if err != nil {
 		log.Error("PrepareWebhooks: %v", err)
 	}
@@ -621,7 +621,7 @@ func (m *webhookNotifier) NotifyPullRequestChangeTargetBranch(doer *models.User,
 	}
 	issue.PullRequest.Issue = issue
 	mode, _ := models.AccessLevel(issue.Poster, issue.Repo)
-	err = webhook_module.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
+	err = webhook_services.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
 		Action: api.HookIssueEdited,
 		Index:  issue.Index,
 		Changes: &api.ChangesPayload{
@@ -665,7 +665,7 @@ func (m *webhookNotifier) NotifyPullRequestReview(pr *models.PullRequest, review
 		log.Error("models.AccessLevel: %v", err)
 		return
 	}
-	if err := webhook_module.PrepareWebhooks(review.Issue.Repo, reviewHookType, &api.PullRequestPayload{
+	if err := webhook_services.PrepareWebhooks(review.Issue.Repo, reviewHookType, &api.PullRequestPayload{
 		Action:      api.HookIssueReviewed,
 		Index:       review.Issue.Index,
 		PullRequest: convert.ToAPIPullRequest(pr),
@@ -699,7 +699,7 @@ func (m *webhookNotifier) NotifyCreateRef(pusher *models.User, repo *models.Repo
 	}
 	gitRepo.Close()
 
-	if err = webhook_module.PrepareWebhooks(repo, models.HookEventCreate, &api.CreatePayload{
+	if err = webhook_services.PrepareWebhooks(repo, models.HookEventCreate, &api.CreatePayload{
 		Ref:     refName,
 		Sha:     shaSum,
 		RefType: refType,
@@ -720,7 +720,7 @@ func (m *webhookNotifier) NotifyPullRequestSynchronized(doer *models.User, pr *m
 		return
 	}
 
-	if err := webhook_module.PrepareWebhooks(pr.Issue.Repo, models.HookEventPullRequestSync, &api.PullRequestPayload{
+	if err := webhook_services.PrepareWebhooks(pr.Issue.Repo, models.HookEventPullRequestSync, &api.PullRequestPayload{
 		Action:      api.HookIssueSynchronized,
 		Index:       pr.Issue.Index,
 		PullRequest: convert.ToAPIPullRequest(pr),
@@ -736,7 +736,7 @@ func (m *webhookNotifier) NotifyDeleteRef(pusher *models.User, repo *models.Repo
 	apiRepo := convert.ToRepo(repo, models.AccessModeNone)
 	refName := git.RefEndName(refFullName)
 
-	if err := webhook_module.PrepareWebhooks(repo, models.HookEventDelete, &api.DeletePayload{
+	if err := webhook_services.PrepareWebhooks(repo, models.HookEventDelete, &api.DeletePayload{
 		Ref:        refName,
 		RefType:    refType,
 		PusherType: api.PusherTypeUser,
@@ -754,7 +754,7 @@ func sendReleaseHook(doer *models.User, rel *models.Release, action api.HookRele
 	}
 
 	mode, _ := models.AccessLevel(rel.Publisher, rel.Repo)
-	if err := webhook_module.PrepareWebhooks(rel.Repo, models.HookEventRelease, &api.ReleasePayload{
+	if err := webhook_services.PrepareWebhooks(rel.Repo, models.HookEventRelease, &api.ReleasePayload{
 		Action:     action,
 		Release:    convert.ToRelease(rel),
 		Repository: convert.ToRepo(rel.Repo, mode),
@@ -784,7 +784,7 @@ func (m *webhookNotifier) NotifySyncPushCommits(pusher *models.User, repo *model
 		return
 	}
 
-	if err := webhook_module.PrepareWebhooks(repo, models.HookEventPush, &api.PushPayload{
+	if err := webhook_services.PrepareWebhooks(repo, models.HookEventPush, &api.PushPayload{
 		Ref:        opts.RefFullName,
 		Before:     opts.OldCommitID,
 		After:      opts.NewCommitID,
diff --git a/routers/api/v1/repo/hook.go b/routers/api/v1/repo/hook.go
index fc8b33a7ca..575b1fc480 100644
--- a/routers/api/v1/repo/hook.go
+++ b/routers/api/v1/repo/hook.go
@@ -13,8 +13,8 @@ import (
 	"code.gitea.io/gitea/modules/convert"
 	"code.gitea.io/gitea/modules/git"
 	api "code.gitea.io/gitea/modules/structs"
-	"code.gitea.io/gitea/modules/webhook"
 	"code.gitea.io/gitea/routers/api/v1/utils"
+	"code.gitea.io/gitea/services/webhook"
 )
 
 // ListHooks list all hooks of a repository
diff --git a/routers/api/v1/utils/hook.go b/routers/api/v1/utils/hook.go
index eb2371c50b..85af6c8e6a 100644
--- a/routers/api/v1/utils/hook.go
+++ b/routers/api/v1/utils/hook.go
@@ -13,8 +13,8 @@ import (
 	"code.gitea.io/gitea/modules/context"
 	"code.gitea.io/gitea/modules/convert"
 	api "code.gitea.io/gitea/modules/structs"
-	"code.gitea.io/gitea/modules/webhook"
 	"code.gitea.io/gitea/routers/utils"
+	"code.gitea.io/gitea/services/webhook"
 
 	"github.com/unknwon/com"
 )
@@ -52,7 +52,7 @@ func GetRepoHook(ctx *context.APIContext, repoID, hookID int64) (*models.Webhook
 // CheckCreateHookOption check if a CreateHookOption form is valid. If invalid,
 // write the appropriate error to `ctx`. Return whether the form is valid
 func CheckCreateHookOption(ctx *context.APIContext, form *api.CreateHookOption) bool {
-	if !models.IsValidHookTaskType(form.Type) {
+	if !webhook.IsValidHookTaskType(form.Type) {
 		ctx.Error(http.StatusUnprocessableEntity, "", "Invalid hook type")
 		return false
 	}
@@ -133,7 +133,7 @@ func addHook(ctx *context.APIContext, form *api.CreateHookOption, orgID, repoID
 			BranchFilter: form.BranchFilter,
 		},
 		IsActive:     form.Active,
-		HookTaskType: models.ToHookTaskType(form.Type),
+		HookTaskType: models.HookTaskType(form.Type),
 	}
 	if w.HookTaskType == models.SLACK {
 		channel, ok := form.Config["channel"]
diff --git a/routers/init.go b/routers/init.go
index 6f6c1cfcd6..ca8944bb2b 100644
--- a/routers/init.go
+++ b/routers/init.go
@@ -32,11 +32,11 @@ import (
 	"code.gitea.io/gitea/modules/storage"
 	"code.gitea.io/gitea/modules/svg"
 	"code.gitea.io/gitea/modules/task"
-	"code.gitea.io/gitea/modules/webhook"
 	"code.gitea.io/gitea/services/mailer"
 	mirror_service "code.gitea.io/gitea/services/mirror"
 	pull_service "code.gitea.io/gitea/services/pull"
 	"code.gitea.io/gitea/services/repository"
+	"code.gitea.io/gitea/services/webhook"
 
 	"gitea.com/macaron/i18n"
 	"gitea.com/macaron/macaron"
diff --git a/routers/repo/webhook.go b/routers/repo/webhook.go
index f9f9e94a2b..15d2db88c5 100644
--- a/routers/repo/webhook.go
+++ b/routers/repo/webhook.go
@@ -20,7 +20,7 @@ import (
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/setting"
 	api "code.gitea.io/gitea/modules/structs"
-	"code.gitea.io/gitea/modules/webhook"
+	"code.gitea.io/gitea/services/webhook"
 
 	"github.com/unknwon/com"
 )
@@ -181,7 +181,7 @@ func GiteaHooksNewPost(ctx *context.Context, form auth.NewWebhookForm) {
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["PageIsSettingsHooksNew"] = true
 	ctx.Data["Webhook"] = models.Webhook{HookEvent: &models.HookEvent{}}
-	ctx.Data["HookType"] = models.GITEA.Name()
+	ctx.Data["HookType"] = models.GITEA
 
 	orCtx, err := getOrgRepoCtx(ctx)
 	if err != nil {
@@ -235,7 +235,7 @@ func newGogsWebhookPost(ctx *context.Context, form auth.NewGogshookForm, kind mo
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["PageIsSettingsHooksNew"] = true
 	ctx.Data["Webhook"] = models.Webhook{HookEvent: &models.HookEvent{}}
-	ctx.Data["HookType"] = models.GOGS.Name()
+	ctx.Data["HookType"] = models.GOGS
 
 	orCtx, err := getOrgRepoCtx(ctx)
 	if err != nil {
@@ -283,7 +283,7 @@ func DiscordHooksNewPost(ctx *context.Context, form auth.NewDiscordHookForm) {
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["PageIsSettingsHooksNew"] = true
 	ctx.Data["Webhook"] = models.Webhook{HookEvent: &models.HookEvent{}}
-	ctx.Data["HookType"] = models.DISCORD.Name()
+	ctx.Data["HookType"] = models.DISCORD
 
 	orCtx, err := getOrgRepoCtx(ctx)
 	if err != nil {
@@ -334,7 +334,7 @@ func DingtalkHooksNewPost(ctx *context.Context, form auth.NewDingtalkHookForm) {
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["PageIsSettingsHooksNew"] = true
 	ctx.Data["Webhook"] = models.Webhook{HookEvent: &models.HookEvent{}}
-	ctx.Data["HookType"] = models.DINGTALK.Name()
+	ctx.Data["HookType"] = models.DINGTALK
 
 	orCtx, err := getOrgRepoCtx(ctx)
 	if err != nil {
@@ -376,7 +376,7 @@ func TelegramHooksNewPost(ctx *context.Context, form auth.NewTelegramHookForm) {
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["PageIsSettingsHooksNew"] = true
 	ctx.Data["Webhook"] = models.Webhook{HookEvent: &models.HookEvent{}}
-	ctx.Data["HookType"] = models.TELEGRAM.Name()
+	ctx.Data["HookType"] = models.TELEGRAM
 
 	orCtx, err := getOrgRepoCtx(ctx)
 	if err != nil {
@@ -427,7 +427,7 @@ func MatrixHooksNewPost(ctx *context.Context, form auth.NewMatrixHookForm) {
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["PageIsSettingsHooksNew"] = true
 	ctx.Data["Webhook"] = models.Webhook{HookEvent: &models.HookEvent{}}
-	ctx.Data["HookType"] = models.MATRIX.Name()
+	ctx.Data["HookType"] = models.MATRIX
 
 	orCtx, err := getOrgRepoCtx(ctx)
 	if err != nil {
@@ -481,7 +481,7 @@ func MSTeamsHooksNewPost(ctx *context.Context, form auth.NewMSTeamsHookForm) {
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["PageIsSettingsHooksNew"] = true
 	ctx.Data["Webhook"] = models.Webhook{HookEvent: &models.HookEvent{}}
-	ctx.Data["HookType"] = models.MSTEAMS.Name()
+	ctx.Data["HookType"] = models.MSTEAMS
 
 	orCtx, err := getOrgRepoCtx(ctx)
 	if err != nil {
@@ -523,7 +523,7 @@ func SlackHooksNewPost(ctx *context.Context, form auth.NewSlackHookForm) {
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["PageIsSettingsHooksNew"] = true
 	ctx.Data["Webhook"] = models.Webhook{HookEvent: &models.HookEvent{}}
-	ctx.Data["HookType"] = models.SLACK.Name()
+	ctx.Data["HookType"] = models.SLACK
 
 	orCtx, err := getOrgRepoCtx(ctx)
 	if err != nil {
@@ -582,7 +582,7 @@ func FeishuHooksNewPost(ctx *context.Context, form auth.NewFeishuHookForm) {
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["PageIsSettingsHooksNew"] = true
 	ctx.Data["Webhook"] = models.Webhook{HookEvent: &models.HookEvent{}}
-	ctx.Data["HookType"] = models.FEISHU.Name()
+	ctx.Data["HookType"] = models.FEISHU
 
 	orCtx, err := getOrgRepoCtx(ctx)
 	if err != nil {
@@ -647,7 +647,7 @@ func checkWebhook(ctx *context.Context) (*orgRepoCtx, *models.Webhook) {
 		return nil, nil
 	}
 
-	ctx.Data["HookType"] = w.HookTaskType.Name()
+	ctx.Data["HookType"] = w.HookTaskType
 	switch w.HookTaskType {
 	case models.SLACK:
 		ctx.Data["SlackHook"] = webhook.GetSlackHook(w)
diff --git a/modules/webhook/deliver.go b/services/webhook/deliver.go
similarity index 99%
rename from modules/webhook/deliver.go
rename to services/webhook/deliver.go
index c29fcb6fa9..5b6c38f148 100644
--- a/modules/webhook/deliver.go
+++ b/services/webhook/deliver.go
@@ -78,7 +78,7 @@ func Deliver(t *models.HookTask) error {
 			return err
 		}
 	case http.MethodPut:
-		switch t.Type {
+		switch t.Typ {
 		case models.MATRIX:
 			req, err = getMatrixHookRequest(t)
 			if err != nil {
diff --git a/modules/webhook/deliver_test.go b/services/webhook/deliver_test.go
similarity index 100%
rename from modules/webhook/deliver_test.go
rename to services/webhook/deliver_test.go
diff --git a/modules/webhook/dingtalk.go b/services/webhook/dingtalk.go
similarity index 100%
rename from modules/webhook/dingtalk.go
rename to services/webhook/dingtalk.go
diff --git a/modules/webhook/dingtalk_test.go b/services/webhook/dingtalk_test.go
similarity index 100%
rename from modules/webhook/dingtalk_test.go
rename to services/webhook/dingtalk_test.go
diff --git a/modules/webhook/discord.go b/services/webhook/discord.go
similarity index 100%
rename from modules/webhook/discord.go
rename to services/webhook/discord.go
diff --git a/modules/webhook/feishu.go b/services/webhook/feishu.go
similarity index 100%
rename from modules/webhook/feishu.go
rename to services/webhook/feishu.go
diff --git a/modules/webhook/general.go b/services/webhook/general.go
similarity index 100%
rename from modules/webhook/general.go
rename to services/webhook/general.go
diff --git a/modules/webhook/general_test.go b/services/webhook/general_test.go
similarity index 100%
rename from modules/webhook/general_test.go
rename to services/webhook/general_test.go
diff --git a/modules/webhook/main_test.go b/services/webhook/main_test.go
similarity index 100%
rename from modules/webhook/main_test.go
rename to services/webhook/main_test.go
diff --git a/modules/webhook/matrix.go b/services/webhook/matrix.go
similarity index 100%
rename from modules/webhook/matrix.go
rename to services/webhook/matrix.go
diff --git a/modules/webhook/matrix_test.go b/services/webhook/matrix_test.go
similarity index 100%
rename from modules/webhook/matrix_test.go
rename to services/webhook/matrix_test.go
diff --git a/modules/webhook/msteams.go b/services/webhook/msteams.go
similarity index 100%
rename from modules/webhook/msteams.go
rename to services/webhook/msteams.go
diff --git a/modules/webhook/payloader.go b/services/webhook/payloader.go
similarity index 100%
rename from modules/webhook/payloader.go
rename to services/webhook/payloader.go
diff --git a/modules/webhook/slack.go b/services/webhook/slack.go
similarity index 100%
rename from modules/webhook/slack.go
rename to services/webhook/slack.go
diff --git a/modules/webhook/slack_test.go b/services/webhook/slack_test.go
similarity index 100%
rename from modules/webhook/slack_test.go
rename to services/webhook/slack_test.go
diff --git a/modules/webhook/telegram.go b/services/webhook/telegram.go
similarity index 100%
rename from modules/webhook/telegram.go
rename to services/webhook/telegram.go
diff --git a/modules/webhook/telegram_test.go b/services/webhook/telegram_test.go
similarity index 100%
rename from modules/webhook/telegram_test.go
rename to services/webhook/telegram_test.go
diff --git a/modules/webhook/webhook.go b/services/webhook/webhook.go
similarity index 75%
rename from modules/webhook/webhook.go
rename to services/webhook/webhook.go
index 2ef150210e..104ea3f8b2 100644
--- a/modules/webhook/webhook.go
+++ b/services/webhook/webhook.go
@@ -20,6 +20,55 @@ import (
 	"github.com/gobwas/glob"
 )
 
+type webhook struct {
+	name           models.HookTaskType
+	payloadCreator func(p api.Payloader, event models.HookEventType, meta string) (api.Payloader, error)
+}
+
+var (
+	webhooks = map[models.HookTaskType]*webhook{
+		models.SLACK: {
+			name:           models.SLACK,
+			payloadCreator: GetSlackPayload,
+		},
+		models.DISCORD: {
+			name:           models.DISCORD,
+			payloadCreator: GetDiscordPayload,
+		},
+		models.DINGTALK: {
+			name:           models.DINGTALK,
+			payloadCreator: GetDingtalkPayload,
+		},
+		models.TELEGRAM: {
+			name:           models.TELEGRAM,
+			payloadCreator: GetTelegramPayload,
+		},
+		models.MSTEAMS: {
+			name:           models.MSTEAMS,
+			payloadCreator: GetMSTeamsPayload,
+		},
+		models.FEISHU: {
+			name:           models.FEISHU,
+			payloadCreator: GetFeishuPayload,
+		},
+		models.MATRIX: {
+			name:           models.MATRIX,
+			payloadCreator: GetMatrixPayload,
+		},
+	}
+)
+
+// RegisterWebhook registers a webhook
+func RegisterWebhook(name string, webhook *webhook) {
+	webhooks[models.HookTaskType(name)] = webhook
+}
+
+// IsValidHookTaskType returns true if a webhook registered
+func IsValidHookTaskType(name string) bool {
+	_, ok := webhooks[models.HookTaskType(name)]
+	return ok
+}
+
 // hookQueue is a global queue of web hooks
 var hookQueue = sync.NewUniqueQueue(setting.Webhook.QueueLength)
 
@@ -95,44 +144,13 @@ func prepareWebhook(w *models.Webhook, repo *models.Repository, event models.Hoo
 
 	var payloader api.Payloader
 	var err error
-	// Use separate objects so modifications won't be made on payload on non-Gogs/Gitea type hooks.
-	switch w.HookTaskType {
-	case models.SLACK:
-		payloader, err = GetSlackPayload(p, event, w.Meta)
+	webhook, ok := webhooks[w.HookTaskType]
+	if ok {
+		payloader, err = webhook.payloadCreator(p, event, w.Meta)
 		if err != nil {
-			return fmt.Errorf("GetSlackPayload: %v", err)
+			return fmt.Errorf("create payload for %s[%s]: %v", w.HookTaskType, event, err)
 		}
-	case models.DISCORD:
-		payloader, err = GetDiscordPayload(p, event, w.Meta)
-		if err != nil {
-			return fmt.Errorf("GetDiscordPayload: %v", err)
-		}
-	case models.DINGTALK:
-		payloader, err = GetDingtalkPayload(p, event, w.Meta)
-		if err != nil {
-			return fmt.Errorf("GetDingtalkPayload: %v", err)
-		}
-	case models.TELEGRAM:
-		payloader, err = GetTelegramPayload(p, event, w.Meta)
-		if err != nil {
-			return fmt.Errorf("GetTelegramPayload: %v", err)
-		}
-	case models.MSTEAMS:
-		payloader, err = GetMSTeamsPayload(p, event, w.Meta)
-		if err != nil {
-			return fmt.Errorf("GetMSTeamsPayload: %v", err)
-		}
-	case models.FEISHU:
-		payloader, err = GetFeishuPayload(p, event, w.Meta)
-		if err != nil {
-			return fmt.Errorf("GetFeishuPayload: %v", err)
-		}
-	case models.MATRIX:
-		payloader, err = GetMatrixPayload(p, event, w.Meta)
-		if err != nil {
-			return fmt.Errorf("GetMatrixPayload: %v", err)
-		}
-	default:
+	} else {
 		p.SetSecret(w.Secret)
 		payloader = p
 	}
@@ -154,7 +172,7 @@ func prepareWebhook(w *models.Webhook, repo *models.Repository, event models.Hoo
 	if err = models.CreateHookTask(&models.HookTask{
 		RepoID:      repo.ID,
 		HookID:      w.ID,
-		Type:        w.HookTaskType,
+		Typ:         w.HookTaskType,
 		URL:         w.URL,
 		Signature:   signature,
 		Payloader:   payloader,
diff --git a/modules/webhook/webhook_test.go b/services/webhook/webhook_test.go
similarity index 100%
rename from modules/webhook/webhook_test.go
rename to services/webhook/webhook_test.go