diff --git a/lib/openapi_client.rb b/lib/openapi_client.rb
index 80d993b..929c68f 100644
--- a/lib/openapi_client.rb
+++ b/lib/openapi_client.rb
@@ -28,6 +28,7 @@
 require_relative 'openapi_client/models/list_paginated_users_response'
 require_relative 'openapi_client/models/magic_link'
 require_relative 'openapi_client/models/magic_link_channel'
+require_relative 'openapi_client/models/magic_link_language'
 require_relative 'openapi_client/models/magic_link_response'
 require_relative 'openapi_client/models/magic_link_type'
 require_relative 'openapi_client/models/model400_error'
diff --git a/lib/openapi_client/models/create_magic_link_request.rb b/lib/openapi_client/models/create_magic_link_request.rb
index 7a020fc..92927da 100644
--- a/lib/openapi_client/models/create_magic_link_request.rb
+++ b/lib/openapi_client/models/create_magic_link_request.rb
@@ -19,7 +19,6 @@ class CreateMagicLinkRequest
 
     attr_accessor :email
 
-    # language of the email to send (optional)
     attr_accessor :language
 
     # must be a relative url
@@ -31,6 +30,7 @@ class CreateMagicLinkRequest
 
     attr_accessor :_send
 
+    # time to live in minutes
     attr_accessor :ttl
 
     attr_accessor :type
@@ -85,7 +85,7 @@ def self.openapi_types
       {
         :'channel' => :'MagicLinkChannel',
         :'email' => :'String',
-        :'language' => :'String',
+        :'language' => :'MagicLinkLanguage',
         :'magic_link_path' => :'String',
         :'phone' => :'String',
         :'redirect_url' => :'String',
@@ -163,6 +163,10 @@ def initialize(attributes = {})
     def list_invalid_properties
       warn '[DEPRECATED] the `list_invalid_properties` method is obsolete'
       invalid_properties = Array.new
+      if !@ttl.nil? && @ttl < 1
+        invalid_properties.push('invalid value for "ttl", must be greater than or equal to 1.')
+      end
+
       invalid_properties
     end
 
@@ -170,9 +174,24 @@ def list_invalid_properties
     # @return true if the model is valid
     def valid?
       warn '[DEPRECATED] the `valid?` method is obsolete'
+      return false if !@ttl.nil? && @ttl < 1
       true
     end
 
+    # Custom attribute writer method with validation
+    # @param [Object] ttl Value to be assigned
+    def ttl=(ttl)
+      if ttl.nil?
+        fail ArgumentError, 'ttl cannot be nil'
+      end
+
+      if ttl < 1
+        fail ArgumentError, 'invalid value for "ttl", must be greater than or equal to 1.'
+      end
+
+      @ttl = ttl
+    end
+
     # Checks equality by comparing each attribute.
     # @param [Object] Object to be compared
     def ==(o)
diff --git a/lib/openapi_client/models/magic_link.rb b/lib/openapi_client/models/magic_link.rb
index 89e5689..2f7007f 100644
--- a/lib/openapi_client/models/magic_link.rb
+++ b/lib/openapi_client/models/magic_link.rb
@@ -27,6 +27,7 @@ class MagicLink
 
     attr_accessor :secret
 
+    # time to live in minutes
     attr_accessor :ttl
 
     attr_accessor :type
diff --git a/lib/openapi_client/models/magic_link_language.rb b/lib/openapi_client/models/magic_link_language.rb
new file mode 100644
index 0000000..1781a3a
--- /dev/null
+++ b/lib/openapi_client/models/magic_link_language.rb
@@ -0,0 +1,45 @@
+=begin
+#Passage Management API
+
+#Passage's management API to manage your Passage apps and users.
+
+The version of the OpenAPI document: 1
+Contact: support@passage.id
+Generated by: https://openapi-generator.tech
+Generator version: 7.11.0-SNAPSHOT
+
+=end
+
+require 'date'
+require 'time'
+
+module OpenapiClient
+  class MagicLinkLanguage
+    DE = "de".freeze
+    EN = "en".freeze
+    ES = "es".freeze
+    IT = "it".freeze
+    PL = "pl".freeze
+    PT = "pt".freeze
+    ZH = "zh".freeze
+
+    def self.all_vars
+      @all_vars ||= [DE, EN, ES, IT, PL, PT, ZH].freeze
+    end
+
+    # Builds the enum from string
+    # @param [String] The enum value in the form of the string
+    # @return [String] The enum value
+    def self.build_from_hash(value)
+      new.build_from_hash(value)
+    end
+
+    # Builds the enum from string
+    # @param [String] The enum value in the form of the string
+    # @return [String] The enum value
+    def build_from_hash(value)
+      return value if MagicLinkLanguage.all_vars.include?(value)
+      raise "Invalid ENUM value #{value} for class #MagicLinkLanguage"
+    end
+  end
+end
diff --git a/lib/passageidentity/auth.rb b/lib/passageidentity/auth.rb
index 22f8262..04794f2 100644
--- a/lib/passageidentity/auth.rb
+++ b/lib/passageidentity/auth.rb
@@ -93,7 +93,12 @@ def fetch_jwks
     end
 
     def create_magic_link(args, opts)
-      args['language'] = opts['language']
+      language = opts['language']
+      if language && !OpenapiClient::MagicLinkLanguage.all_vars.include?(language)
+        raise ArgumentError, "language must be one of #{OpenapiClient::MagicLinkLanguage.all_vars}"
+      end
+
+      args['language'] = language
       args['magic_link_path'] = opts['magic_link_path']
       args['redirect_url'] = opts['redirect_url']
       args['ttl'] = opts['ttl']