diff --git a/rest_model_zrok/share_request.go b/rest_model_zrok/share_request.go
index c440d6bc..0b15f10e 100644
--- a/rest_model_zrok/share_request.go
+++ b/rest_model_zrok/share_request.go
@@ -25,6 +25,7 @@ type ShareRequest struct {
 	AccessGrants []string `json:"accessGrants"`
 
 	// auth scheme
+	// Enum: [none basic oidc]
 	AuthScheme string `json:"authScheme,omitempty"`
 
 	// auth users
@@ -72,6 +73,10 @@ type ShareRequest struct {
 func (m *ShareRequest) Validate(formats strfmt.Registry) error {
 	var res []error
 
+	if err := m.validateAuthScheme(formats); err != nil {
+		res = append(res, err)
+	}
+
 	if err := m.validateAuthUsers(formats); err != nil {
 		res = append(res, err)
 	}
@@ -98,6 +103,51 @@ func (m *ShareRequest) Validate(formats strfmt.Registry) error {
 	return nil
 }
 
+var shareRequestTypeAuthSchemePropEnum []interface{}
+
+func init() {
+	var res []string
+	if err := json.Unmarshal([]byte(`["none","basic","oidc"]`), &res); err != nil {
+		panic(err)
+	}
+	for _, v := range res {
+		shareRequestTypeAuthSchemePropEnum = append(shareRequestTypeAuthSchemePropEnum, v)
+	}
+}
+
+const (
+
+	// ShareRequestAuthSchemeNone captures enum value "none"
+	ShareRequestAuthSchemeNone string = "none"
+
+	// ShareRequestAuthSchemeBasic captures enum value "basic"
+	ShareRequestAuthSchemeBasic string = "basic"
+
+	// ShareRequestAuthSchemeOidc captures enum value "oidc"
+	ShareRequestAuthSchemeOidc string = "oidc"
+)
+
+// prop value enum
+func (m *ShareRequest) validateAuthSchemeEnum(path, location string, value string) error {
+	if err := validate.EnumCase(path, location, value, shareRequestTypeAuthSchemePropEnum, true); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (m *ShareRequest) validateAuthScheme(formats strfmt.Registry) error {
+	if swag.IsZero(m.AuthScheme) { // not required
+		return nil
+	}
+
+	// value enum
+	if err := m.validateAuthSchemeEnum("authScheme", "body", m.AuthScheme); err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func (m *ShareRequest) validateAuthUsers(formats strfmt.Registry) error {
 	if swag.IsZero(m.AuthUsers) { // not required
 		return nil
diff --git a/rest_server_zrok/embedded_spec.go b/rest_server_zrok/embedded_spec.go
index dea7a027..759882a8 100644
--- a/rest_server_zrok/embedded_spec.go
+++ b/rest_server_zrok/embedded_spec.go
@@ -2840,7 +2840,12 @@ func init() {
           }
         },
         "authScheme": {
-          "type": "string"
+          "type": "string",
+          "enum": [
+            "none",
+            "basic",
+            "oidc"
+          ]
         },
         "authUsers": {
           "type": "array",
@@ -5794,7 +5799,12 @@ func init() {
           }
         },
         "authScheme": {
-          "type": "string"
+          "type": "string",
+          "enum": [
+            "none",
+            "basic",
+            "oidc"
+          ]
         },
         "authUsers": {
           "type": "array",
diff --git a/sdk/nodejs/sdk/src/api/models/ShareRequest.ts b/sdk/nodejs/sdk/src/api/models/ShareRequest.ts
index 142e5997..2ed36d8a 100644
--- a/sdk/nodejs/sdk/src/api/models/ShareRequest.ts
+++ b/sdk/nodejs/sdk/src/api/models/ShareRequest.ts
@@ -62,7 +62,7 @@ export interface ShareRequest {
      * @type {string}
      * @memberof ShareRequest
      */
-    authScheme?: string;
+    authScheme?: ShareRequestAuthSchemeEnum;
     /**
      * 
      * @type {Array<AuthUser>}
@@ -138,6 +138,16 @@ export const ShareRequestBackendModeEnum = {
 } as const;
 export type ShareRequestBackendModeEnum = typeof ShareRequestBackendModeEnum[keyof typeof ShareRequestBackendModeEnum];
 
+/**
+ * @export
+ */
+export const ShareRequestAuthSchemeEnum = {
+    None: 'none',
+    Basic: 'basic',
+    Oidc: 'oidc'
+} as const;
+export type ShareRequestAuthSchemeEnum = typeof ShareRequestAuthSchemeEnum[keyof typeof ShareRequestAuthSchemeEnum];
+
 /**
  * @export
  */
diff --git a/sdk/python/src/test/test_share_request.py b/sdk/python/src/test/test_share_request.py
index c543ae26..49311a01 100644
--- a/sdk/python/src/test/test_share_request.py
+++ b/sdk/python/src/test/test_share_request.py
@@ -42,7 +42,7 @@ class TestShareRequest(unittest.TestCase):
                     ],
                 backend_mode = 'proxy',
                 backend_proxy_endpoint = '',
-                auth_scheme = '',
+                auth_scheme = 'none',
                 auth_users = [
                     zrok_api.models.auth_user.authUser(
                         username = '', 
diff --git a/sdk/python/src/zrok_api/models/share_request.py b/sdk/python/src/zrok_api/models/share_request.py
index 7ea8d828..b7e925f5 100644
--- a/sdk/python/src/zrok_api/models/share_request.py
+++ b/sdk/python/src/zrok_api/models/share_request.py
@@ -63,6 +63,16 @@ class ShareRequest(BaseModel):
             raise ValueError("must be one of enum values ('proxy', 'web', 'tcpTunnel', 'udpTunnel', 'caddy', 'drive', 'socks', 'vpn')")
         return value
 
+    @field_validator('auth_scheme')
+    def auth_scheme_validate_enum(cls, value):
+        """Validates the enum"""
+        if value is None:
+            return value
+
+        if value not in set(['none', 'basic', 'oidc']):
+            raise ValueError("must be one of enum values ('none', 'basic', 'oidc')")
+        return value
+
     @field_validator('oauth_provider')
     def oauth_provider_validate_enum(cls, value):
         """Validates the enum"""
diff --git a/ui/src/api/models/ShareRequest.ts b/ui/src/api/models/ShareRequest.ts
index 142e5997..2ed36d8a 100644
--- a/ui/src/api/models/ShareRequest.ts
+++ b/ui/src/api/models/ShareRequest.ts
@@ -62,7 +62,7 @@ export interface ShareRequest {
      * @type {string}
      * @memberof ShareRequest
      */
-    authScheme?: string;
+    authScheme?: ShareRequestAuthSchemeEnum;
     /**
      * 
      * @type {Array<AuthUser>}
@@ -138,6 +138,16 @@ export const ShareRequestBackendModeEnum = {
 } as const;
 export type ShareRequestBackendModeEnum = typeof ShareRequestBackendModeEnum[keyof typeof ShareRequestBackendModeEnum];
 
+/**
+ * @export
+ */
+export const ShareRequestAuthSchemeEnum = {
+    None: 'none',
+    Basic: 'basic',
+    Oidc: 'oidc'
+} as const;
+export type ShareRequestAuthSchemeEnum = typeof ShareRequestAuthSchemeEnum[keyof typeof ShareRequestAuthSchemeEnum];
+
 /**
  * @export
  */