diff --git a/api/controllers/console/app/workflow.py b/api/controllers/console/app/workflow.py
index e1a6533655..3ea0ca8ab8 100644
--- a/api/controllers/console/app/workflow.py
+++ b/api/controllers/console/app/workflow.py
@@ -31,7 +31,7 @@ from libs.login import current_user, login_required
 from models import App
 from models.account import Account
 from models.model import AppMode
-from models.workflow import Workflow
+from models.workflow import NodeType, Workflow
 from services.app_generate_service import AppGenerateService
 from services.errors.app import WorkflowHashNotEqualError
 from services.errors.llm import InvokeRateLimitError
@@ -1234,6 +1234,68 @@ class DraftWorkflowTriggerWebhookRunApi(Resource):
             ), 500
 
 
+@console_ns.route("/apps/<uuid:app_id>/workflows/draft/nodes/<string:node_id>/debug/webhook/run")
+class DraftWorkflowNodeWebhookDebugRunApi(Resource):
+    """Single node debug when the node is a webhook trigger."""
+
+    @api.doc("draft_workflow_node_webhook_debug_run")
+    @api.doc(description="Poll for webhook debug payload and execute single node when event arrives")
+    @api.doc(params={"app_id": "Application ID", "node_id": "Node ID"})
+    @api.response(200, "Node executed successfully")
+    @api.response(403, "Permission denied")
+    @api.response(400, "Invalid node type")
+    @api.response(500, "Internal server error")
+    @setup_required
+    @login_required
+    @account_initialization_required
+    @get_app_model(mode=[AppMode.WORKFLOW])
+    def post(self, app_model: App, node_id: str):
+        if not isinstance(current_user, Account) or not current_user.has_edit_permission:
+            raise Forbidden()
+
+        event = WebhookDebugService.poll_event(
+            tenant_id=app_model.tenant_id,
+            user_id=current_user.id,
+            app_id=app_model.id,
+            node_id=node_id,
+        )
+
+        if not event:
+            return jsonable_encoder({"status": "waiting", "retry_in": 2000})
+
+        workflow_service = WorkflowService()
+        draft_workflow = workflow_service.get_draft_workflow(app_model=app_model)
+
+        if not draft_workflow:
+            raise DraftWorkflowNotExist()
+
+        node_config = draft_workflow.get_node_config_by_id(node_id)
+        node_type = Workflow.get_node_type_from_node_config(node_config)
+        if node_type != NodeType.TRIGGER_WEBHOOK:
+            return jsonable_encoder({
+                "status": "error",
+                "message": "node is not webhook trigger",
+            }), 400
+
+        payload = event.payload or {}
+        workflow_inputs = payload.get("inputs")
+        if workflow_inputs is None:
+            webhook_data = payload.get("webhook_data", {})
+            workflow_inputs = WebhookService.build_workflow_inputs(webhook_data)
+
+        workflow_node_execution = workflow_service.run_draft_workflow_node(
+            app_model=app_model,
+            draft_workflow=draft_workflow,
+            node_id=node_id,
+            user_inputs=workflow_inputs or {},
+            account=current_user,
+            query="",
+            files=[],
+        )
+
+        return jsonable_encoder(workflow_node_execution)
+
+
 @console_ns.route("/apps/<uuid:app_id>/workflows/draft/trigger/schedule/run")
 class DraftWorkflowTriggerScheduleRunApi(Resource):
     """
diff --git a/api/services/workflow_service.py b/api/services/workflow_service.py
index 23ccb9be35..27aff60e27 100644
--- a/api/services/workflow_service.py
+++ b/api/services/workflow_service.py
@@ -23,6 +23,7 @@ from core.workflow.nodes import NodeType
 from core.workflow.nodes.base.node import Node
 from core.workflow.nodes.node_mapping import LATEST_VERSION, NODE_TYPE_CLASSES_MAPPING
 from core.workflow.nodes.start.entities import StartNodeData
+from core.workflow.nodes.trigger_webhook.entities import WebhookData
 from core.workflow.system_variable import SystemVariable
 from core.workflow.workflow_entry import WorkflowEntry
 from events.app_event import app_draft_workflow_was_synced, app_published_workflow_was_updated
@@ -630,10 +631,13 @@ class WorkflowService:
                     app=app_model,
                     workflow=draft_workflow,
                 )
-                start_data = StartNodeData.model_validate(node_data)
-                user_inputs = _rebuild_file_for_user_inputs_in_start_node(
-                    tenant_id=draft_workflow.tenant_id, start_node_data=start_data, user_inputs=user_inputs
-                )
+                if node_type == NodeType.TRIGGER_WEBHOOK:
+                    start_data = WebhookData.model_validate(node_data)
+                else:
+                    start_data = StartNodeData.model_validate(node_data)
+                    user_inputs = _rebuild_file_for_user_inputs_in_start_node(
+                        tenant_id=draft_workflow.tenant_id, start_node_data=start_data, user_inputs=user_inputs
+                    )
                 # init variable pool
                 variable_pool = _setup_variable_pool(
                     query=query,
diff --git a/web/app/components/workflow/nodes/_base/components/workflow-panel/last-run/use-last-run.ts b/web/app/components/workflow/nodes/_base/components/workflow-panel/last-run/use-last-run.ts
index 21462de939..6d81949cda 100644
--- a/web/app/components/workflow/nodes/_base/components/workflow-panel/last-run/use-last-run.ts
+++ b/web/app/components/workflow/nodes/_base/components/workflow-panel/last-run/use-last-run.ts
@@ -62,6 +62,9 @@ const singleRunFormParamsHooks: Record<BlockEnum, any> = {
   [BlockEnum.LoopEnd]: undefined,
   [BlockEnum.DataSource]: undefined,
   [BlockEnum.DataSourceEmpty]: undefined,
+  [BlockEnum.TriggerWebhook]: undefined,
+  [BlockEnum.TriggerSchedule]: undefined,
+  [BlockEnum.TriggerPlugin]: undefined,
 }
 
 const useSingleRunFormParamsHooks = (nodeType: BlockEnum) => {
@@ -97,6 +100,9 @@ const getDataForCheckMoreHooks: Record<BlockEnum, any> = {
   [BlockEnum.DataSource]: undefined,
   [BlockEnum.DataSourceEmpty]: undefined,
   [BlockEnum.KnowledgeBase]: undefined,
+  [BlockEnum.TriggerWebhook]: undefined,
+  [BlockEnum.TriggerSchedule]: undefined,
+  [BlockEnum.TriggerPlugin]: undefined,
 }
 
 const useGetDataForCheckMoreHooks = <T>(nodeType: BlockEnum) => {
diff --git a/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts b/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts
index 46a5a82839..e3d1bd4bbc 100644
--- a/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts
+++ b/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts
@@ -53,6 +53,8 @@ import { useInvalidLastRun } from '@/service/use-workflow'
 import useInspectVarsCrud from '../../../hooks/use-inspect-vars-crud'
 import type { FlowType } from '@/types/common'
 import useMatchSchemaType from '../components/variable/use-match-schema-type'
+import { API_PREFIX } from '@/config'
+import { getAccessToken, getBaseOptions } from '@/service/fetch'
 // eslint-disable-next-line ts/no-unsafe-function-type
 const checkValidFns: Record<BlockEnum, Function> = {
   [BlockEnum.LLM]: checkLLMValid,
@@ -198,6 +200,11 @@ const useOneStepRun = <T>({
     invalidateConversationVarValues,
   } = useInspectVarsCrud()
   const runningStatus = data._singleRunningStatus || NodeRunningStatus.NotStart
+  const webhookSingleRunActiveRef = useRef(false)
+  const webhookSingleRunAbortRef = useRef<AbortController | null>(null)
+  const webhookSingleRunTimeoutRef = useRef<number | undefined>(undefined)
+  const webhookSingleRunTokenRef = useRef(0)
+  const webhookSingleRunDelayResolveRef = useRef<(() => void) | null>(null)
   const isPausedRef = useRef(isPaused)
   useEffect(() => {
     isPausedRef.current = isPaused
@@ -239,6 +246,122 @@ const useOneStepRun = <T>({
       },
     })
   }
+
+  const cancelWebhookSingleRun = useCallback(() => {
+    webhookSingleRunActiveRef.current = false
+    webhookSingleRunTokenRef.current += 1
+    if (webhookSingleRunAbortRef.current)
+      webhookSingleRunAbortRef.current.abort()
+    webhookSingleRunAbortRef.current = null
+    if (webhookSingleRunTimeoutRef.current !== undefined) {
+      window.clearTimeout(webhookSingleRunTimeoutRef.current)
+      webhookSingleRunTimeoutRef.current = undefined
+    }
+    if (webhookSingleRunDelayResolveRef.current) {
+      webhookSingleRunDelayResolveRef.current()
+      webhookSingleRunDelayResolveRef.current = null
+    }
+  }, [])
+
+  const runWebhookSingleRun = useCallback(async (): Promise<any | null> => {
+    const urlPath = `/apps/${flowId}/workflows/draft/nodes/${id}/debug/webhook/run`
+    const urlWithPrefix = `${API_PREFIX}${urlPath.startsWith('/') ? urlPath : `/${urlPath}`}`
+
+    webhookSingleRunActiveRef.current = true
+    const token = ++webhookSingleRunTokenRef.current
+
+    while (webhookSingleRunActiveRef.current && token === webhookSingleRunTokenRef.current) {
+      const controller = new AbortController()
+      webhookSingleRunAbortRef.current = controller
+
+      try {
+        const baseOptions = getBaseOptions()
+        const headers = new Headers(baseOptions.headers as Headers)
+        const accessToken = await getAccessToken()
+        headers.set('Authorization', `Bearer ${accessToken}`)
+        headers.set('Content-Type', 'application/json')
+
+        const response = await fetch(urlWithPrefix, {
+          ...baseOptions,
+          method: 'POST',
+          headers,
+          body: JSON.stringify({}),
+          signal: controller.signal,
+        })
+
+        if (!webhookSingleRunActiveRef.current || token !== webhookSingleRunTokenRef.current)
+          return null
+
+        const contentType = response.headers.get('Content-Type')?.toLowerCase() || ''
+        const responseData = contentType.includes('application/json') ? await response.json() : undefined
+
+        if (!response.ok) {
+          const message = responseData?.message || 'Webhook debug failed'
+          Toast.notify({ type: 'error', message })
+          cancelWebhookSingleRun()
+          throw new Error(message)
+        }
+
+        if (responseData?.status === 'waiting') {
+          const delay = Number(responseData.retry_in) || 2000
+          webhookSingleRunAbortRef.current = null
+          if (!webhookSingleRunActiveRef.current || token !== webhookSingleRunTokenRef.current)
+            return null
+
+          await new Promise<void>((resolve) => {
+            const timeoutId = window.setTimeout(resolve, delay)
+            webhookSingleRunTimeoutRef.current = timeoutId
+            webhookSingleRunDelayResolveRef.current = resolve
+            controller.signal.addEventListener('abort', () => {
+              window.clearTimeout(timeoutId)
+              resolve()
+            }, { once: true })
+          })
+
+          webhookSingleRunTimeoutRef.current = undefined
+          webhookSingleRunDelayResolveRef.current = null
+          continue
+        }
+
+        if (responseData?.status === 'error') {
+          const message = responseData.message || 'Webhook debug failed'
+          Toast.notify({ type: 'error', message })
+          cancelWebhookSingleRun()
+          throw new Error(message)
+        }
+
+        handleNodeDataUpdate({
+          id,
+          data: {
+            ...data,
+            _isSingleRun: false,
+            _singleRunningStatus: NodeRunningStatus.Running,
+          },
+        })
+
+        cancelWebhookSingleRun()
+        return responseData
+      }
+      catch (error) {
+        if (controller.signal.aborted && (!webhookSingleRunActiveRef.current || token !== webhookSingleRunTokenRef.current))
+          return null
+        if (controller.signal.aborted)
+          return null
+
+        console.error('handleRun: webhook debug polling error', error)
+        Toast.notify({ type: 'error', message: 'Webhook debug request failed' })
+        cancelWebhookSingleRun()
+        if (error instanceof Error)
+          throw error
+        throw new Error(String(error))
+      }
+      finally {
+        webhookSingleRunAbortRef.current = null
+      }
+    }
+
+    return null
+  }, [flowId, id, data, handleNodeDataUpdate, cancelWebhookSingleRun])
   const checkValidWrap = () => {
     if (!checkValid)
       return { isValid: true, errorMessage: '' }
@@ -300,33 +423,53 @@ const useOneStepRun = <T>({
   const isCompleted = runningStatus === NodeRunningStatus.Succeeded || runningStatus === NodeRunningStatus.Failed
 
   const handleRun = async (submitData: Record<string, any>) => {
+    const isWebhookNode = data.type === BlockEnum.TriggerWebhook
+    if (isWebhookNode)
+      cancelWebhookSingleRun()
+
     handleNodeDataUpdate({
       id,
       data: {
         ...data,
         _isSingleRun: false,
-        _singleRunningStatus: NodeRunningStatus.Running,
+        _singleRunningStatus: isWebhookNode ? NodeRunningStatus.Waiting : NodeRunningStatus.Running,
       },
     })
     let res: any
     let hasError = false
     try {
       if (!isIteration && !isLoop) {
-        const isStartNode = data.type === BlockEnum.Start
-        const postData: Record<string, any> = {}
-        if (isStartNode) {
-          const { '#sys.query#': query, '#sys.files#': files, ...inputs } = submitData
-          if (isChatMode)
-            postData.conversation_id = ''
-
-          postData.inputs = inputs
-          postData.query = query
-          postData.files = files || []
+        if (isWebhookNode) {
+          res = await runWebhookSingleRun()
+          if (!res) {
+            handleNodeDataUpdate({
+              id,
+              data: {
+                ...data,
+                _isSingleRun: false,
+                _singleRunningStatus: NodeRunningStatus.NotStart,
+              },
+            })
+            return false
+          }
         }
         else {
-          postData.inputs = submitData
+          const isStartNode = data.type === BlockEnum.Start
+          const postData: Record<string, any> = {}
+          if (isStartNode) {
+            const { '#sys.query#': query, '#sys.files#': files, ...inputs } = submitData
+            if (isChatMode)
+              postData.conversation_id = ''
+
+            postData.inputs = inputs
+            postData.query = query
+            postData.files = files || []
+          }
+          else {
+            postData.inputs = submitData
+          }
+          res = await singleNodeRun(flowType, flowId!, id, postData) as any
         }
-        res = await singleNodeRun(flowType, flowId!, id, postData) as any
       }
       else if (isIteration) {
         setIterationRunResult([])
@@ -557,6 +700,8 @@ const useOneStepRun = <T>({
       }
     }
     finally {
+      if (data.type === BlockEnum.TriggerWebhook)
+        cancelWebhookSingleRun()
       if (!isPausedRef.current && !isIteration && !isLoop && res) {
         setRunResult({
           ...res,
@@ -583,6 +728,7 @@ const useOneStepRun = <T>({
   }
 
   const handleStop = () => {
+    cancelWebhookSingleRun()
     handleNodeDataUpdate({
       id,
       data: {
diff --git a/web/app/components/workflow/utils/workflow.ts b/web/app/components/workflow/utils/workflow.ts
index 0e42cd3ec5..37534a1f5a 100644
--- a/web/app/components/workflow/utils/workflow.ts
+++ b/web/app/components/workflow/utils/workflow.ts
@@ -34,6 +34,7 @@ export const canRunBySingle = (nodeType: BlockEnum, isChildNode: boolean) => {
     || nodeType === BlockEnum.VariableAggregator
     || nodeType === BlockEnum.Assigner
     || nodeType === BlockEnum.DataSource
+    || nodeType === BlockEnum.TriggerWebhook
 }
 
 export const isSupportCustomRunForm = (nodeType: BlockEnum) => {