diff --git a/api/openapi3.yml b/api/openapi3.yml
index a6fe665..39d86c7 100644
--- a/api/openapi3.yml
+++ b/api/openapi3.yml
@@ -231,6 +231,10 @@ components:
           description: Additional data related to the error. Can be used for i18n.
           additionalProperties: true
           x-go-type-skip-optional-pointer: true
+    VersionCode:
+      type: string
+      minLength: 2
+      maxLength: 2
     Version:
       type: object
       required:
@@ -240,8 +244,7 @@ components:
         - timezone
       properties:
         code:
-          type: string
-          example: pl
+          $ref: "#/components/schemas/VersionCode"
         host:
           type: string
           format: hostname
@@ -252,6 +255,10 @@ components:
         timezone:
           type: string
           example: Europe/Warsaw
+    ServerKey:
+      type: string
+      minLength: 1
+      maxLength: 10
     Server:
       type: object
       required:
@@ -267,8 +274,7 @@ components:
         - createdAt
       properties:
         key:
-          type: string
-          example: pl151
+          $ref: "#/components/schemas/ServerKey"
         open:
           type: boolean
         url:
@@ -871,6 +877,9 @@ components:
           $ref: "#/components/schemas/Building"
         wood:
           $ref: "#/components/schemas/Building"
+    IntId:
+      type: integer
+      minimum: 1
     TribeOpponentsDefeated:
       type: object
       required:
@@ -916,7 +925,7 @@ components:
         - createdAt
       properties:
         id:
-          type: integer
+          $ref: "#/components/schemas/IntId"
         name:
           type: string
         tag:
@@ -1009,7 +1018,7 @@ components:
         - createdAt
       properties:
         id:
-          type: integer
+          $ref: "#/components/schemas/IntId"
         name:
           type: string
         rank:
@@ -1175,27 +1184,25 @@ components:
       name: versionCode
       required: true
       schema:
-        type: string
+        $ref: "#/components/schemas/VersionCode"
     ServerKeyPathParam:
       in: path
       name: serverKey
       required: true
       schema:
-        type: string
+        $ref: "#/components/schemas/ServerKey"
     TribeIdPathParam:
       in: path
       name: tribeId
       required: true
       schema:
-        type: integer
-        minimum: 1
+        $ref: "#/components/schemas/IntId"
     PlayerIdPathParam:
       in: path
       name: playerId
       required: true
       schema:
-        type: integer
-        minimum: 1
+        $ref: "#/components/schemas/IntId"
   responses:
     ListVersionsResponse:
       description: ""
diff --git a/internal/domain/server.go b/internal/domain/server.go
index dea6be2..457b462 100644
--- a/internal/domain/server.go
+++ b/internal/domain/server.go
@@ -8,11 +8,6 @@ import (
 	"time"
 )
 
-const (
-	serverKeyMinLength = 1
-	serverKeyMaxLength = 10
-)
-
 type Server struct {
 	key                      string
 	versionCode              string
@@ -358,7 +353,18 @@ func (params *UpdateServerParams) NumPlayers() NullInt {
 }
 
 func (params *UpdateServerParams) SetNumPlayers(numPlayers NullInt) error {
+	if numPlayers.Valid {
+		if err := validateIntInRange(numPlayers.V, 0, math.MaxInt); err != nil {
+			return ValidationError{
+				Model: updateServerParamsModelName,
+				Field: "numPlayers",
+				Err:   err,
+			}
+		}
+	}
+
 	params.numPlayers = numPlayers
+
 	return nil
 }
 
@@ -376,7 +382,18 @@ func (params *UpdateServerParams) NumVillages() NullInt {
 }
 
 func (params *UpdateServerParams) SetNumVillages(numVillages NullInt) error {
+	if numVillages.Valid {
+		if err := validateIntInRange(numVillages.V, 0, math.MaxInt); err != nil {
+			return ValidationError{
+				Model: updateServerParamsModelName,
+				Field: "numVillages",
+				Err:   err,
+			}
+		}
+	}
+
 	params.numVillages = numVillages
+
 	return nil
 }
 
@@ -385,7 +402,18 @@ func (params *UpdateServerParams) NumPlayerVillages() NullInt {
 }
 
 func (params *UpdateServerParams) SetNumPlayerVillages(numPlayerVillages NullInt) error {
+	if numPlayerVillages.Valid {
+		if err := validateIntInRange(numPlayerVillages.V, 0, math.MaxInt); err != nil {
+			return ValidationError{
+				Model: updateServerParamsModelName,
+				Field: "numPlayerVillages",
+				Err:   err,
+			}
+		}
+	}
+
 	params.numPlayerVillages = numPlayerVillages
+
 	return nil
 }
 
@@ -394,7 +422,18 @@ func (params *UpdateServerParams) NumBarbarianVillages() NullInt {
 }
 
 func (params *UpdateServerParams) SetNumBarbarianVillages(numBarbarianVillages NullInt) error {
+	if numBarbarianVillages.Valid {
+		if err := validateIntInRange(numBarbarianVillages.V, 0, math.MaxInt); err != nil {
+			return ValidationError{
+				Model: updateServerParamsModelName,
+				Field: "numBarbarianVillages",
+				Err:   err,
+			}
+		}
+	}
+
 	params.numBarbarianVillages = numBarbarianVillages
+
 	return nil
 }
 
@@ -403,7 +442,18 @@ func (params *UpdateServerParams) NumBonusVillages() NullInt {
 }
 
 func (params *UpdateServerParams) SetNumBonusVillages(numBonusVillages NullInt) error {
+	if numBonusVillages.Valid {
+		if err := validateIntInRange(numBonusVillages.V, 0, math.MaxInt); err != nil {
+			return ValidationError{
+				Model: updateServerParamsModelName,
+				Field: "numBonusVillages",
+				Err:   err,
+			}
+		}
+	}
+
 	params.numBonusVillages = numBonusVillages
+
 	return nil
 }
 
@@ -453,6 +503,9 @@ func (params *UpdateServerParams) IsZero() bool {
 		!params.numPlayers.Valid &&
 		!params.playerDataSyncedAt.Valid &&
 		!params.numVillages.Valid &&
+		!params.numPlayerVillages.Valid &&
+		!params.numBarbarianVillages.Valid &&
+		!params.numBonusVillages.Valid &&
 		!params.villageDataSyncedAt.Valid &&
 		!params.ennoblementDataSyncedAt.Valid &&
 		!params.tribeSnapshotsCreatedAt.Valid &&
@@ -567,7 +620,19 @@ func (params *ListServersParams) Keys() []string {
 }
 
 func (params *ListServersParams) SetKeys(keys []string) error {
+	for i, k := range keys {
+		if err := validateServerKey(k); err != nil {
+			return SliceElementValidationError{
+				Model: listServersParamsModelName,
+				Field: "keys",
+				Index: i,
+				Err:   err,
+			}
+		}
+	}
+
 	params.keys = keys
+
 	return nil
 }
 
@@ -576,7 +641,19 @@ func (params *ListServersParams) VersionCodes() []string {
 }
 
 func (params *ListServersParams) SetVersionCodes(versionCodes []string) error {
+	for i, vc := range versionCodes {
+		if err := validateVersionCode(vc); err != nil {
+			return SliceElementValidationError{
+				Model: listServersParamsModelName,
+				Field: "versionCodes",
+				Index: i,
+				Err:   err,
+			}
+		}
+	}
+
 	params.versionCodes = versionCodes
+
 	return nil
 }
 
diff --git a/internal/domain/server_test.go b/internal/domain/server_test.go
index ed624e5..50d6279 100644
--- a/internal/domain/server_test.go
+++ b/internal/domain/server_test.go
@@ -183,6 +183,321 @@ func TestUpdateServerParams_SetNumTribes(t *testing.T) {
 	}
 }
 
+func TestUpdateServerParams_SetNumPlayers(t *testing.T) {
+	t.Parallel()
+
+	type args struct {
+		numPlayers domain.NullInt
+	}
+
+	tests := []struct {
+		name        string
+		args        args
+		expectedErr error
+	}{
+		{
+			name: "OK",
+			args: args{
+				numPlayers: domain.NullInt{
+					V:     gofakeit.IntRange(0, math.MaxInt),
+					Valid: true,
+				},
+			},
+		},
+		{
+			name: "OK: null value",
+			args: args{
+				numPlayers: domain.NullInt{
+					Valid: false,
+				},
+			},
+		},
+		{
+			name: "ERR: numPlayers < 0",
+			args: args{
+				numPlayers: domain.NullInt{
+					V:     -1,
+					Valid: true,
+				},
+			},
+			expectedErr: domain.ValidationError{
+				Model: "UpdateServerParams",
+				Field: "numPlayers",
+				Err: domain.MinGreaterEqualError{
+					Min:     0,
+					Current: -1,
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			var params domain.UpdateServerParams
+
+			require.ErrorIs(t, params.SetNumPlayers(tt.args.numPlayers), tt.expectedErr)
+			if tt.expectedErr != nil {
+				return
+			}
+			assert.Equal(t, tt.args.numPlayers, params.NumPlayers())
+		})
+	}
+}
+
+func TestUpdateServerParams_SetNumVillages(t *testing.T) {
+	t.Parallel()
+
+	type args struct {
+		numVillages domain.NullInt
+	}
+
+	tests := []struct {
+		name        string
+		args        args
+		expectedErr error
+	}{
+		{
+			name: "OK",
+			args: args{
+				numVillages: domain.NullInt{
+					V:     gofakeit.IntRange(0, math.MaxInt),
+					Valid: true,
+				},
+			},
+		},
+		{
+			name: "OK: null value",
+			args: args{
+				numVillages: domain.NullInt{
+					Valid: false,
+				},
+			},
+		},
+		{
+			name: "ERR: numVillages < 0",
+			args: args{
+				numVillages: domain.NullInt{
+					V:     -1,
+					Valid: true,
+				},
+			},
+			expectedErr: domain.ValidationError{
+				Model: "UpdateServerParams",
+				Field: "numVillages",
+				Err: domain.MinGreaterEqualError{
+					Min:     0,
+					Current: -1,
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			var params domain.UpdateServerParams
+
+			require.ErrorIs(t, params.SetNumVillages(tt.args.numVillages), tt.expectedErr)
+			if tt.expectedErr != nil {
+				return
+			}
+			assert.Equal(t, tt.args.numVillages, params.NumVillages())
+		})
+	}
+}
+
+func TestUpdateServerParams_SetNumPlayerVillages(t *testing.T) {
+	t.Parallel()
+
+	type args struct {
+		numPlayerVillages domain.NullInt
+	}
+
+	tests := []struct {
+		name        string
+		args        args
+		expectedErr error
+	}{
+		{
+			name: "OK",
+			args: args{
+				numPlayerVillages: domain.NullInt{
+					V:     gofakeit.IntRange(0, math.MaxInt),
+					Valid: true,
+				},
+			},
+		},
+		{
+			name: "OK: null value",
+			args: args{
+				numPlayerVillages: domain.NullInt{
+					Valid: false,
+				},
+			},
+		},
+		{
+			name: "ERR: numPlayerVillages < 0",
+			args: args{
+				numPlayerVillages: domain.NullInt{
+					V:     -1,
+					Valid: true,
+				},
+			},
+			expectedErr: domain.ValidationError{
+				Model: "UpdateServerParams",
+				Field: "numPlayerVillages",
+				Err: domain.MinGreaterEqualError{
+					Min:     0,
+					Current: -1,
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			var params domain.UpdateServerParams
+
+			require.ErrorIs(t, params.SetNumPlayerVillages(tt.args.numPlayerVillages), tt.expectedErr)
+			if tt.expectedErr != nil {
+				return
+			}
+			assert.Equal(t, tt.args.numPlayerVillages, params.NumPlayerVillages())
+		})
+	}
+}
+
+func TestUpdateServerParams_SetNumBarbarianVillages(t *testing.T) {
+	t.Parallel()
+
+	type args struct {
+		numBarbarianVillages domain.NullInt
+	}
+
+	tests := []struct {
+		name        string
+		args        args
+		expectedErr error
+	}{
+		{
+			name: "OK",
+			args: args{
+				numBarbarianVillages: domain.NullInt{
+					V:     gofakeit.IntRange(0, math.MaxInt),
+					Valid: true,
+				},
+			},
+		},
+		{
+			name: "OK: null value",
+			args: args{
+				numBarbarianVillages: domain.NullInt{
+					Valid: false,
+				},
+			},
+		},
+		{
+			name: "ERR: numBarbarianVillages < 0",
+			args: args{
+				numBarbarianVillages: domain.NullInt{
+					V:     -1,
+					Valid: true,
+				},
+			},
+			expectedErr: domain.ValidationError{
+				Model: "UpdateServerParams",
+				Field: "numBarbarianVillages",
+				Err: domain.MinGreaterEqualError{
+					Min:     0,
+					Current: -1,
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			var params domain.UpdateServerParams
+
+			require.ErrorIs(t, params.SetNumBarbarianVillages(tt.args.numBarbarianVillages), tt.expectedErr)
+			if tt.expectedErr != nil {
+				return
+			}
+			assert.Equal(t, tt.args.numBarbarianVillages, params.NumBarbarianVillages())
+		})
+	}
+}
+
+func TestUpdateServerParams_SetNumBonusVillages(t *testing.T) {
+	t.Parallel()
+
+	type args struct {
+		numBonusVillages domain.NullInt
+	}
+
+	tests := []struct {
+		name        string
+		args        args
+		expectedErr error
+	}{
+		{
+			name: "OK",
+			args: args{
+				numBonusVillages: domain.NullInt{
+					V:     gofakeit.IntRange(0, math.MaxInt),
+					Valid: true,
+				},
+			},
+		},
+		{
+			name: "OK: null value",
+			args: args{
+				numBonusVillages: domain.NullInt{
+					Valid: false,
+				},
+			},
+		},
+		{
+			name: "ERR: numBonusVillages < 0",
+			args: args{
+				numBonusVillages: domain.NullInt{
+					V:     -1,
+					Valid: true,
+				},
+			},
+			expectedErr: domain.ValidationError{
+				Model: "UpdateServerParams",
+				Field: "numBonusVillages",
+				Err: domain.MinGreaterEqualError{
+					Min:     0,
+					Current: -1,
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			var params domain.UpdateServerParams
+
+			require.ErrorIs(t, params.SetNumBonusVillages(tt.args.numBonusVillages), tt.expectedErr)
+			if tt.expectedErr != nil {
+				return
+			}
+			assert.Equal(t, tt.args.numBonusVillages, params.NumBonusVillages())
+		})
+	}
+}
+
 func TestNewServerCursor(t *testing.T) {
 	t.Parallel()
 
@@ -393,6 +708,114 @@ func TestListServersParams_SetEncodedCursor(t *testing.T) {
 	}
 }
 
+func TestListServersParams_SetKeys(t *testing.T) {
+	t.Parallel()
+
+	type args struct {
+		keys []string
+	}
+
+	type test struct {
+		name        string
+		args        args
+		expectedErr error
+	}
+
+	tests := []test{
+		{
+			name: "OK",
+			args: args{
+				keys: []string{
+					domaintest.RandServerKey(),
+				},
+			},
+		},
+	}
+
+	for _, serverKeyTest := range newServerKeyValidationTests() {
+		tests = append(tests, test{
+			name: serverKeyTest.name,
+			args: args{
+				keys: []string{serverKeyTest.key},
+			},
+			expectedErr: domain.SliceElementValidationError{
+				Model: "ListServersParams",
+				Field: "keys",
+				Index: 0,
+				Err:   serverKeyTest.expectedErr,
+			},
+		})
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			params := domain.NewListServersParams()
+
+			require.ErrorIs(t, params.SetKeys(tt.args.keys), tt.expectedErr)
+			if tt.expectedErr != nil {
+				return
+			}
+			assert.Equal(t, tt.args.keys, params.Keys())
+		})
+	}
+}
+
+func TestListServersParams_SetVersionCodes(t *testing.T) {
+	t.Parallel()
+
+	type args struct {
+		versionCodes []string
+	}
+
+	type test struct {
+		name        string
+		args        args
+		expectedErr error
+	}
+
+	tests := []test{
+		{
+			name: "OK",
+			args: args{
+				versionCodes: []string{
+					domaintest.RandVersionCode(),
+				},
+			},
+		},
+	}
+
+	for _, versionCodeTest := range newVersionCodeValidationTests() {
+		tests = append(tests, test{
+			name: versionCodeTest.name,
+			args: args{
+				versionCodes: []string{versionCodeTest.code},
+			},
+			expectedErr: domain.SliceElementValidationError{
+				Model: "ListServersParams",
+				Field: "versionCodes",
+				Index: 0,
+				Err:   versionCodeTest.expectedErr,
+			},
+		})
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			params := domain.NewListServersParams()
+
+			require.ErrorIs(t, params.SetVersionCodes(tt.args.versionCodes), tt.expectedErr)
+			if tt.expectedErr != nil {
+				return
+			}
+			assert.Equal(t, tt.args.versionCodes, params.VersionCodes())
+		})
+	}
+}
+
 func TestListServersParams_SetLimit(t *testing.T) {
 	t.Parallel()
 
diff --git a/internal/domain/validation.go b/internal/domain/validation.go
index caffbb9..37edfb5 100644
--- a/internal/domain/validation.go
+++ b/internal/domain/validation.go
@@ -296,10 +296,20 @@ func validateStringLen(s string, min, max int) error {
 	return nil
 }
 
+const (
+	versionCodeMinLength = 2
+	versionCodeMaxLength = 2
+)
+
 func validateVersionCode(code string) error {
 	return validateStringLen(code, versionCodeMinLength, versionCodeMaxLength)
 }
 
+const (
+	serverKeyMinLength = 1
+	serverKeyMaxLength = 10
+)
+
 func validateServerKey(key string) error {
 	return validateStringLen(key, serverKeyMinLength, serverKeyMaxLength)
 }
diff --git a/internal/domain/version.go b/internal/domain/version.go
index 2b8a0b1..697d513 100644
--- a/internal/domain/version.go
+++ b/internal/domain/version.go
@@ -5,11 +5,6 @@ import (
 	"net/url"
 )
 
-const (
-	versionCodeMinLength = 2
-	versionCodeMaxLength = 2
-)
-
 type Version struct {
 	code     string
 	name     string
@@ -186,7 +181,19 @@ func (params *ListVersionsParams) Codes() []string {
 }
 
 func (params *ListVersionsParams) SetCodes(codes []string) error {
+	for i, c := range codes {
+		if err := validateVersionCode(c); err != nil {
+			return SliceElementValidationError{
+				Model: listVersionsParamsModelName,
+				Field: "codes",
+				Index: i,
+				Err:   err,
+			}
+		}
+	}
+
 	params.codes = codes
+
 	return nil
 }
 
diff --git a/internal/domain/version_test.go b/internal/domain/version_test.go
index 99889ed..3fc701b 100644
--- a/internal/domain/version_test.go
+++ b/internal/domain/version_test.go
@@ -65,6 +65,60 @@ func TestNewVersionCursor(t *testing.T) {
 	}
 }
 
+func TestListVersionsParams_SetCodes(t *testing.T) {
+	t.Parallel()
+
+	type args struct {
+		codes []string
+	}
+
+	type test struct {
+		name        string
+		args        args
+		expectedErr error
+	}
+
+	tests := []test{
+		{
+			name: "OK",
+			args: args{
+				codes: []string{
+					domaintest.RandVersionCode(),
+				},
+			},
+		},
+	}
+
+	for _, versionCodeTest := range newVersionCodeValidationTests() {
+		tests = append(tests, test{
+			name: versionCodeTest.name,
+			args: args{
+				codes: []string{versionCodeTest.code},
+			},
+			expectedErr: domain.SliceElementValidationError{
+				Model: "ListVersionsParams",
+				Field: "codes",
+				Index: 0,
+				Err:   versionCodeTest.expectedErr,
+			},
+		})
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			params := domain.NewListVersionsParams()
+
+			require.ErrorIs(t, params.SetCodes(tt.args.codes), tt.expectedErr)
+			if tt.expectedErr != nil {
+				return
+			}
+			assert.Equal(t, tt.args.codes, params.Codes())
+		})
+	}
+}
+
 func TestListVersionsParams_SetSort(t *testing.T) {
 	t.Parallel()
 
@@ -327,23 +381,25 @@ type versionCodeValidationTest struct {
 }
 
 func newVersionCodeValidationTests() []versionCodeValidationTest {
+	tooShort := gofakeit.LetterN(1)
+	tooLong := gofakeit.LetterN(3)
 	return []versionCodeValidationTest{
 		{
 			name: "ERR: version code length < 2",
-			code: "p",
+			code: tooShort,
 			expectedErr: domain.LenOutOfRangeError{
 				Min:     2,
 				Max:     2,
-				Current: len("p"),
+				Current: len(tooShort),
 			},
 		},
 		{
 			name: "ERR: version code length > 2",
-			code: "pll",
+			code: tooLong,
 			expectedErr: domain.LenOutOfRangeError{
 				Min:     2,
 				Max:     2,
-				Current: len("pll"),
+				Current: len(tooLong),
 			},
 		},
 	}
diff --git a/internal/port/handler_http_api_server.go b/internal/port/handler_http_api_server.go
index a86ff5f..a2a4a37 100644
--- a/internal/port/handler_http_api_server.go
+++ b/internal/port/handler_http_api_server.go
@@ -119,7 +119,7 @@ func (h *apiHTTPHandler) serverMiddleware(next http.Handler) http.Handler {
 			routeCtx.URLParams.Values[serverKeyIdx],
 		)
 		if err != nil {
-			h.errorRenderer.render(w, r, err)
+			h.errorRenderer.withErrorPathFormatter(formatGetServerErrorPath).render(w, r, err)
 			return
 		}
 
@@ -150,8 +150,19 @@ func formatListServersErrorPath(segments []errorPathSegment) []string {
 		return []string{"$query", "limit"}
 	case "open":
 		return []string{"$query", "open"}
-	case "sort":
-		return []string{"$query", "sort"}
+	default:
+		return nil
+	}
+}
+
+func formatGetServerErrorPath(segments []errorPathSegment) []string {
+	if segments[0].model != "ListServersParams" {
+		return nil
+	}
+
+	switch segments[0].field {
+	case "keys":
+		return []string{"$path", "serverKey"}
 	default:
 		return nil
 	}
diff --git a/internal/port/handler_http_api_server_test.go b/internal/port/handler_http_api_server_test.go
index 95f8165..1f1beb6 100644
--- a/internal/port/handler_http_api_server_test.go
+++ b/internal/port/handler_http_api_server_test.go
@@ -460,6 +460,42 @@ func TestGetServer(t *testing.T) {
 				assert.Equal(t, server.Server, body.Data)
 			},
 		},
+		{
+			name: "ERR: len(serverKey) > 10",
+			reqModifier: func(t *testing.T, req *http.Request) {
+				t.Helper()
+				req.URL.Path = fmt.Sprintf(endpointGetServer, server.Version.Code, gofakeit.LetterN(11))
+			},
+			assertResp: func(t *testing.T, req *http.Request, resp *http.Response) {
+				t.Helper()
+
+				assert.Equal(t, http.StatusBadRequest, resp.StatusCode)
+
+				// body
+				body := decodeJSON[apimodel.ErrorResponse](t, resp.Body)
+				pathSegments := strings.Split(req.URL.Path, "/")
+				require.Len(t, pathSegments, 6)
+				domainErr := domain.LenOutOfRangeError{
+					Min:     1,
+					Max:     10,
+					Current: len(pathSegments[5]),
+				}
+				assert.Equal(t, apimodel.ErrorResponse{
+					Errors: []apimodel.Error{
+						{
+							Code:    domainErr.Code(),
+							Message: domainErr.Error(),
+							Params: map[string]any{
+								"min":     float64(domainErr.Min),
+								"max":     float64(domainErr.Max),
+								"current": float64(domainErr.Current),
+							},
+							Path: []string{"$path", "serverKey"},
+						},
+					},
+				}, body)
+			},
+		},
 		{
 			name: "ERR: version not found",
 			reqModifier: func(t *testing.T, req *http.Request) {
diff --git a/internal/port/handler_http_api_version.go b/internal/port/handler_http_api_version.go
index e3bf42a..baa5193 100644
--- a/internal/port/handler_http_api_version.go
+++ b/internal/port/handler_http_api_version.go
@@ -54,7 +54,7 @@ func (h *apiHTTPHandler) versionMiddleware(next http.Handler) http.Handler {
 
 		version, err := h.versionSvc.Get(ctx, routeCtx.URLParams.Values[idx])
 		if err != nil {
-			h.errorRenderer.render(w, r, err)
+			h.errorRenderer.withErrorPathFormatter(formatGetVersionErrorPath).render(w, r, err)
 			return
 		}
 
@@ -87,3 +87,16 @@ func formatListVersionsErrorPath(segments []errorPathSegment) []string {
 		return nil
 	}
 }
+
+func formatGetVersionErrorPath(segments []errorPathSegment) []string {
+	if segments[0].model != "ListVersionsParams" {
+		return nil
+	}
+
+	switch segments[0].field {
+	case "codes":
+		return []string{"$path", "versionCode"}
+	default:
+		return nil
+	}
+}
diff --git a/internal/port/handler_http_api_version_test.go b/internal/port/handler_http_api_version_test.go
index bdf1d44..1175439 100644
--- a/internal/port/handler_http_api_version_test.go
+++ b/internal/port/handler_http_api_version_test.go
@@ -344,6 +344,42 @@ func TestGetVersion(t *testing.T) {
 				assert.Equal(t, version, body.Data)
 			},
 		},
+		{
+			name: "ERR: len(versionCode) != 2",
+			reqModifier: func(t *testing.T, req *http.Request) {
+				t.Helper()
+				req.URL.Path = fmt.Sprintf(endpointGetVersion, domaintest.RandVersionCode()+domaintest.RandVersionCode())
+			},
+			assertResp: func(t *testing.T, req *http.Request, resp *http.Response) {
+				t.Helper()
+
+				assert.Equal(t, http.StatusBadRequest, resp.StatusCode)
+
+				// body
+				body := decodeJSON[apimodel.ErrorResponse](t, resp.Body)
+				pathSegments := strings.Split(req.URL.Path, "/")
+				require.Len(t, pathSegments, 4)
+				domainErr := domain.LenOutOfRangeError{
+					Min:     2,
+					Max:     2,
+					Current: len(pathSegments[3]),
+				}
+				assert.Equal(t, apimodel.ErrorResponse{
+					Errors: []apimodel.Error{
+						{
+							Code:    domainErr.Code(),
+							Message: domainErr.Error(),
+							Params: map[string]any{
+								"min":     float64(domainErr.Min),
+								"max":     float64(domainErr.Max),
+								"current": float64(domainErr.Current),
+							},
+							Path: []string{"$path", "versionCode"},
+						},
+					},
+				}, body)
+			},
+		},
 		{
 			name: "ERR: version not found",
 			reqModifier: func(t *testing.T, req *http.Request) {