diff --git a/src/DIRAC/WorkloadManagementSystem/Client/JobMonitoringClient.py b/src/DIRAC/WorkloadManagementSystem/Client/JobMonitoringClient.py
index e899c0154d1..e0eda68d8e7 100755
--- a/src/DIRAC/WorkloadManagementSystem/Client/JobMonitoringClient.py
+++ b/src/DIRAC/WorkloadManagementSystem/Client/JobMonitoringClient.py
@@ -79,3 +79,9 @@ def getJobsStates(self, jobIDs):
         if res["OK"]:
             res["Value"] = strToIntDict(res["Value"])
         return res
+
+    def getInputData(self, jobIDs):
+        res = self._getRPC().getInputData(jobIDs)
+        if res["OK"] and isinstance(res["Value"], dict):
+            res["Value"] = strToIntDict(res["Value"])
+        return res
diff --git a/src/DIRAC/WorkloadManagementSystem/DB/JobDB.py b/src/DIRAC/WorkloadManagementSystem/DB/JobDB.py
index 90f95a7f7fc..0d82be10fd6 100755
--- a/src/DIRAC/WorkloadManagementSystem/DB/JobDB.py
+++ b/src/DIRAC/WorkloadManagementSystem/DB/JobDB.py
@@ -11,8 +11,11 @@
 * *CompressJDLs*:        Enable compression of JDLs when they are stored in the database, default *False*.
 
 """
+from __future__ import annotations
+
 import datetime
 import operator
+from typing import overload
 
 from DIRAC.ConfigurationSystem.Client.Helpers.Registry import getVOForGroup
 from DIRAC.ConfigurationSystem.Client.Helpers.Resources import getSiteTier
@@ -20,7 +23,14 @@
 from DIRAC.Core.Utilities.ClassAd.ClassAdLight import ClassAd
 from DIRAC.Core.Utilities.Decorators import deprecated
 from DIRAC.Core.Utilities.DErrno import EWMSJMAN, EWMSSUBM, cmpError
-from DIRAC.Core.Utilities.ReturnValues import S_ERROR, S_OK, convertToReturnValue, returnValueOrRaise, SErrorException
+from DIRAC.Core.Utilities.ReturnValues import (
+    S_ERROR,
+    S_OK,
+    convertToReturnValue,
+    returnValueOrRaise,
+    SErrorException,
+    DReturnType,
+)
 from DIRAC.FrameworkSystem.Client.Logger import contextLogger
 from DIRAC.ResourceStatusSystem.Client.SiteStatus import SiteStatus
 from DIRAC.WorkloadManagementSystem.Client import JobMinorStatus, JobStatus
@@ -320,23 +330,42 @@ def getJobOptParameters(self, jobID, paramList=None):
 
     #############################################################################
 
-    def getInputData(self, jobID):
+    @overload
+    def getInputData(self, jobID: int | str) -> DReturnType[list[str]]:
+        ...
+
+    @overload
+    def getInputData(self, jobID: list[int | str]) -> DReturnType[dict[int, list[str]]]:
+        ...
+
+    def getInputData(self, jobID: int | str | list[int | str]) -> DReturnType[list[str] | dict[int, list[str]]]:
         """Get input data for the given job"""
-        ret = self._escapeString(jobID)
-        if not ret["OK"]:
-            return ret
-        jobID = ret["Value"]
-        cmd = f"SELECT LFN FROM InputData WHERE JobID={jobID}"
+        if isinstance(jobID, (int, str)):
+            ret = self._escapeString(jobID)
+            if not ret["OK"]:
+                return ret
+            jobID = ret["Value"]
+            query = f"JobID={jobID}"
+            result = []
+        else:
+            job_ids = {int(i) for i in jobID}
+            query = f"JobID IN ({','.join(map(str, job_ids))})"
+            result = {i: [] for i in job_ids}
+        cmd = f"SELECT JobID, LFN FROM InputData WHERE {query}"
         res = self._query(cmd)
         if not res["OK"]:
             return res
 
-        inputData = [i[0] for i in res["Value"] if i[0].strip()]
-        for index, lfn in enumerate(inputData):
+        for jid, lfn in res["Value"]:
+            lfn = lfn.strip()
             if lfn.lower().startswith("lfn:"):
-                inputData[index] = lfn[4:]
+                lfn = lfn[4:]
+            if isinstance(result, list):
+                result.append(lfn)
+            else:
+                result[jid].append(lfn)
 
-        return S_OK(inputData)
+        return S_OK(result)
 
     #############################################################################
     def setInputData(self, jobID, inputData):
diff --git a/src/DIRAC/WorkloadManagementSystem/DB/tests/Test_JobDB.py b/src/DIRAC/WorkloadManagementSystem/DB/tests/Test_JobDB.py
index ffa4405a57c..97c9c0e4969 100644
--- a/src/DIRAC/WorkloadManagementSystem/DB/tests/Test_JobDB.py
+++ b/src/DIRAC/WorkloadManagementSystem/DB/tests/Test_JobDB.py
@@ -28,7 +28,7 @@ def test_getInputData(jobDB: JobDB):
     """Test the getInputData method from JobDB"""
     # Arrange
     jobDB._escapeString = MagicMock(return_value=S_OK())
-    jobDB._query = MagicMock(return_value=S_OK((("/vo/user/lfn1",), ("LFN:/vo/user/lfn2",))))
+    jobDB._query = MagicMock(return_value=S_OK([(1234, "/vo/user/lfn1"), (1234, "LFN:/vo/user/lfn2")]))
 
     # Act
     res = jobDB.getInputData(1234)
diff --git a/src/DIRAC/WorkloadManagementSystem/Service/JobMonitoringHandler.py b/src/DIRAC/WorkloadManagementSystem/Service/JobMonitoringHandler.py
index f97667fd460..5c05740ff1c 100755
--- a/src/DIRAC/WorkloadManagementSystem/Service/JobMonitoringHandler.py
+++ b/src/DIRAC/WorkloadManagementSystem/Service/JobMonitoringHandler.py
@@ -514,7 +514,7 @@ def export_getJobHeartBeatData(cls, jobID):
         return cls.jobDB.getHeartBeatData(jobID)
 
     ##############################################################################
-    types_getInputData = [int]
+    types_getInputData = [(int, list)]
 
     @classmethod
     def export_getInputData(cls, jobID):