diff --git a/go.mod b/go.mod
index e285ac7a..d0f0a968 100644
--- a/go.mod
+++ b/go.mod
@@ -6,13 +6,14 @@ toolchain go1.24.6
 
 require (
 	github.com/GoogleCloudPlatform/gke-gateway-api v1.3.0
-	github.com/getkin/kin-openapi v0.124.0
+	github.com/getkin/kin-openapi v0.133.0
 	github.com/google/go-cmp v0.7.0
 	github.com/kong/kubernetes-ingress-controller/v2 v2.12.3
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/samber/lo v1.39.0
 	github.com/spf13/cobra v1.9.1
 	github.com/stretchr/testify v1.11.0
+	golang.org/x/tools v0.36.0
 	istio.io/api v1.20.0
 	k8s.io/api v0.34.1
 	k8s.io/apimachinery v0.34.1
@@ -27,17 +28,20 @@ require (
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 // indirect
 	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
-	github.com/invopop/yaml v0.2.0 // indirect
 	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/moby/term v0.5.0 // indirect
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
+	github.com/oasdiff/yaml v0.0.0-20250309154309-f31be36b4037 // indirect
+	github.com/oasdiff/yaml3 v0.0.0-20250309153720-d2182401db90 // indirect
 	github.com/perimeterx/marshmallow v1.1.5 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/woodsbury/decimal128 v1.3.0 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	go.yaml.in/yaml/v2 v2.4.2 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
+	golang.org/x/mod v0.27.0 // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
 	sigs.k8s.io/randfill v1.0.0 // indirect
 	sigs.k8s.io/structured-merge-diff/v6 v6.3.0 // indirect
@@ -66,6 +70,7 @@ require (
 	github.com/spf13/pflag v1.0.7 // indirect
 	golang.org/x/net v0.43.0 // indirect
 	golang.org/x/oauth2 v0.30.0 // indirect
+	golang.org/x/sync v0.16.0 // indirect
 	golang.org/x/sys v0.35.0 // indirect
 	golang.org/x/term v0.34.0 // indirect
 	golang.org/x/text v0.28.0 // indirect
diff --git a/go.sum b/go.sum
index e6f63d48..d7cc5102 100644
--- a/go.sum
+++ b/go.sum
@@ -19,8 +19,8 @@ github.com/evanphx/json-patch/v5 v5.9.11 h1:/8HVnzMq13/3x9TPvjG08wUGqBTmZBsCWzjT
 github.com/evanphx/json-patch/v5 v5.9.11/go.mod h1:3j+LviiESTElxA4p3EMKAB9HXj3/XEtnUf6OZxqIQTM=
 github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sapM=
 github.com/fxamacker/cbor/v2 v2.9.0/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
-github.com/getkin/kin-openapi v0.124.0 h1:VSFNMB9C9rTKBnQ/fpyDU8ytMTr4dWI9QovSKj9kz/M=
-github.com/getkin/kin-openapi v0.124.0/go.mod h1:wb1aSZA/iWmorQP9KTAS/phLj/t17B5jT7+fS8ed9NM=
+github.com/getkin/kin-openapi v0.133.0 h1:pJdmNohVIJ97r4AUFtEXRXwESr8b0bD721u/Tz6k8PQ=
+github.com/getkin/kin-openapi v0.133.0/go.mod h1:boAciF6cXk5FhPqe/NQeBTeenbjqU4LhWBf09ILVvWE=
 github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
 github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/zapr v1.3.0 h1:XGdV8XW8zdwFiwOA2Dryh1gj2KRQyOOoNmBy4EplIcQ=
@@ -50,8 +50,6 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/invopop/yaml v0.2.0 h1:7zky/qH+O0DwAyoobXUqvVBwgBFRxKoQ/3FjcVpjTMY=
-github.com/invopop/yaml v0.2.0/go.mod h1:2XuRLgs/ouIrW3XNzuNj7J3Nvu/Dig5MXvbCEdiBN3Q=
 github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
@@ -83,6 +81,10 @@ github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 h1:RWengNIwukTxcDr9
 github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826/go.mod h1:TaXosZuwdSHYgviHp1DAtfrULt5eUgsSMsZf+YrPgl8=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
+github.com/oasdiff/yaml v0.0.0-20250309154309-f31be36b4037 h1:G7ERwszslrBzRxj//JalHPu/3yz+De2J+4aLtSRlHiY=
+github.com/oasdiff/yaml v0.0.0-20250309154309-f31be36b4037/go.mod h1:2bpvgLBZEtENV5scfDFEtB/5+1M4hkQhDQrccEJ/qGw=
+github.com/oasdiff/yaml3 v0.0.0-20250309153720-d2182401db90 h1:bQx3WeLcUWy+RletIKwUIt4x3t8n2SxavmoclizMb8c=
+github.com/oasdiff/yaml3 v0.0.0-20250309153720-d2182401db90/go.mod h1:y5+oSEHCPT/DGrS++Wc/479ERge0zTFxaF8PbGKcg2o=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/onsi/ginkgo v1.16.4 h1:29JGrr5oVBm5ulCWet69zQkzWipVXIol6ygQUe/EzNc=
@@ -123,6 +125,8 @@ github.com/stretchr/testify v1.11.0 h1:ib4sjIrwZKxE5u/Japgo/7SJV3PvgjGiRNAvTVGqQ
 github.com/stretchr/testify v1.11.0/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/ugorji/go/codec v1.2.7 h1:YPXUKf7fYbp/y8xloBqZOw2qaVggbfwMlI8WM3wZUJ0=
 github.com/ugorji/go/codec v1.2.7/go.mod h1:WGN1fab3R1fzQlVQTkfxVtIBhWDRqOviHU95kRgeqEY=
+github.com/woodsbury/decimal128 v1.3.0 h1:8pffMNWIlC0O5vbyHWFZAt5yWvWcrHA+3ovIIjVWss0=
+github.com/woodsbury/decimal128 v1.3.0/go.mod h1:C5UTmyTjW3JftjUFzOVhC20BEQa2a4ZKOB5I6Zjb+ds=
 github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
 github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@@ -142,6 +146,8 @@ golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 h1:2dVuKD2vS7b0QIHQbpyTISPd0
 golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56/go.mod h1:M4RDyNAINzryxdtnbRXRL/OHtkFuWGRjvuhBJpk2IlY=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.27.0 h1:kb+q2PyFnEADO2IEF935ehFUXlWiNjJWtRNgBLSfbxQ=
+golang.org/x/mod v0.27.0/go.mod h1:rWI627Fq0DEoudcK+MBkNkCe0EetEaDSwJJkCcjpazc=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -153,6 +159,8 @@ golang.org/x/oauth2 v0.30.0/go.mod h1:B++QgG3ZKulg6sRPGD/mqlHQs5rB3Ml9erfeDY7xKl
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
+golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -188,7 +196,6 @@ gopkg.in/evanphx/json-patch.v4 v4.13.0 h1:czT3CmqEaQ1aanPc5SdlgQrrEIb8w/wwCvWWnf
 gopkg.in/evanphx/json-patch.v4 v4.13.0/go.mod h1:p8EYWUEYMpynmqDbY58zCKCFZw8pRWMG4EsWvDvM72M=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
-gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 istio.io/api v1.20.0 h1:heE1eQoMsuZlwWOf7Xm8TKqKLNKVs11G/zMe5QyR1u4=
diff --git a/pkg/i2gw/ingress2gateway.go b/pkg/i2gw/ingress2gateway.go
index 7f7c663c..bc78b597 100644
--- a/pkg/i2gw/ingress2gateway.go
+++ b/pkg/i2gw/ingress2gateway.go
@@ -83,6 +83,9 @@ func ToGatewayAPIResources(ctx context.Context, namespace string, inputFile stri
 		gatewayResources = append(gatewayResources, providerGatewayResources)
 	}
 	notificationTablesMap := notifications.NotificationAggr.CreateNotificationTables()
+	for _, gw := range gatewayResources {
+		errs = append(errs, ValidateMaxItems(&gw)...)
+	}
 	if len(errs) > 0 {
 		return nil, notificationTablesMap, aggregatedErrs(errs)
 	}
diff --git a/pkg/i2gw/validate.go b/pkg/i2gw/validate.go
new file mode 100644
index 00000000..0a4b3fef
--- /dev/null
+++ b/pkg/i2gw/validate.go
@@ -0,0 +1,133 @@
+package i2gw
+
+import (
+	"fmt"
+	"go/ast"
+	"reflect"
+	"strconv"
+	"strings"
+
+	"golang.org/x/tools/go/packages"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+)
+
+const (
+	KubebuilderMaxItemsMarker = "kubebuilder:validation:MaxItems"
+	MaxItemsPrefix            = "MaxItems="
+)
+
+// ValidateMaxItems validate fields presnet in the gateway resources object
+func ValidateMaxItems(gwResources *GatewayResources) field.ErrorList {
+	var errs field.ErrorList
+	maxItemsMap, err := loadGatewayAPITypes()
+	if err != nil {
+		return append(errs, field.InternalError(nil,
+			fmt.Errorf("unable to fetch kubebuilder max items : %v", err)))
+	}
+
+	for _, gw := range gwResources.Gateways {
+
+		if reflect.ValueOf(gw).IsZero() {
+			continue
+		}
+
+		v := reflect.ValueOf(gw)
+		if v.Kind() == reflect.Ptr {
+			//Get the struct
+			v = v.Elem()
+		}
+
+		spec := v.FieldByName("Spec")
+		if !spec.IsValid() || spec.IsZero() {
+			errs = append(errs, field.Required(
+				field.NewPath("spec"),
+				"spec field missing or empty in gateway resource",
+			))
+			return errs
+		}
+
+		gatewayErrs := validateSpecFields(spec, maxItemsMap, field.NewPath("spec"))
+		errs = append(errs, gatewayErrs...)
+
+	}
+	return errs
+}
+
+// validateSpecFields check fields in spec that are slices and whether exceeded max items limit
+func validateSpecFields(spec reflect.Value, maxItemsMap map[string]int, path *field.Path) field.ErrorList {
+	var errs field.ErrorList
+
+	t := spec.Type()
+
+	for i := 0; i < spec.NumField(); i++ {
+		fieldVal := spec.Field(i)
+		fieldType := t.Field(i)
+		fieldName := fieldType.Name
+
+		if fieldVal.Kind() == reflect.Slice && fieldVal.Len() > 0 {
+			if maxItems, exists := maxItemsMap[fieldName]; exists {
+				if fieldVal.Len() > maxItems {
+					errs = append(errs, field.TooMany(
+						path.Child(strings.ToLower(fieldName)),
+						fieldVal.Len(),
+						maxItems,
+					))
+				}
+			}
+		}
+	}
+
+	return errs
+}
+
+// loadGatewayAPITypes scans the Gateway API packages and extracts
+// the `+kubebuilder:validation:MaxItems` values defined in struct field comments
+func loadGatewayAPITypes() (map[string]int, error) {
+
+	cfg := &packages.Config{
+		Mode: packages.NeedFiles | packages.NeedSyntax,
+	}
+
+	pkgs, err := packages.Load(cfg,
+		"sigs.k8s.io/gateway-api/apis/v1",
+		"sigs.k8s.io/gateway-api/apis/v1alpha2",
+		"sigs.k8s.io/gateway-api/apis/v1beta1",
+		"sigs.k8s.io/gateway-api/apis/v1alpha3",
+	)
+
+	if err != nil {
+		return nil, fmt.Errorf("failed to load gateway-api package: %w", err)
+	}
+
+	maxItemsMap := make(map[string]int)
+
+	for _, pkg := range pkgs {
+		for _, file := range pkg.Syntax {
+			ast.Inspect(file, func(n ast.Node) bool {
+				switch x := n.(type) {
+				case *ast.Field:
+					if x.Doc != nil {
+						for _, comment := range x.Doc.List {
+							if strings.Contains(comment.Text, KubebuilderMaxItemsMarker) {
+								fieldName := x.Names[0].Name
+								if strings.Contains(comment.Text, MaxItemsPrefix) {
+									parts := strings.Split(comment.Text, MaxItemsPrefix)
+									if len(parts) > 1 {
+										valueStr := strings.Split(parts[1], " ")[0]
+										if maxItems, err := strconv.Atoi(valueStr); err == nil {
+											maxItemsMap[fieldName] = maxItems
+										}
+
+									}
+								}
+							}
+						}
+					}
+				}
+				return true
+			})
+		}
+	}
+
+	return maxItemsMap, nil
+}
diff --git a/pkg/i2gw/validate_test.go b/pkg/i2gw/validate_test.go
new file mode 100644
index 00000000..3481a3f4
--- /dev/null
+++ b/pkg/i2gw/validate_test.go
@@ -0,0 +1,28 @@
+package i2gw
+
+import (
+	"testing"
+
+	"k8s.io/apimachinery/pkg/types"
+	gatewayv1 "sigs.k8s.io/gateway-api/apis/v1"
+)
+
+func TestValidateMaxItems(t *testing.T) {
+
+	gwResources := &GatewayResources{
+		Gateways: map[types.NamespacedName]gatewayv1.Gateway{
+			{Namespace: "default", Name: "gw1"}: {
+				Spec: gatewayv1.GatewaySpec{
+					//Allowed Listeners is 64
+					Listeners: make([]gatewayv1.Listener, 65),
+				},
+			},
+		},
+	}
+
+	errs := ValidateMaxItems(gwResources)
+
+	if len(errs) < 1 {
+		t.Errorf("expected error, got %d", len(errs))
+	}
+}