diff --git a/lib/Account.php b/lib/Account.php
index c643d8109..e48ec556d 100644
--- a/lib/Account.php
+++ b/lib/Account.php
@@ -42,6 +42,37 @@ class Account extends ApiResource
     }
     use ApiOperations\Update;
 
+    /**
+     * Possible string representations of an account's business type.
+     * @link https://stripe.com/docs/api/accounts/object#account_object-business_type
+     */
+    const BUSINESS_TYPE_COMPANY    = 'company';
+    const BUSINESS_TYPE_INDIVIDUAL = 'individual';
+
+    /**
+     * Possible string representations of an account's capabilities.
+     * @link https://stripe.com/docs/api/accounts/object#account_object-capabilities
+     */
+    const CAPABILITY_CARD_PAYMENTS     = 'card_payments';
+    const CAPABILITY_LEGACY_PAYMENTS   = 'legacy_payments';
+    const CAPABILITY_PLATFORM_PAYMENTS = 'platform_payments';
+
+    /**
+     * Possible string representations of an account's capability status.
+     * @link https://stripe.com/docs/api/accounts/object#account_object-capabilities
+     */
+    const CAPABILITY_STATUS_ACTIVE   = 'active';
+    const CAPABILITY_STATUS_INACTIVE = 'inactive';
+    const CAPABILITY_STATUS_PENDING  = 'pending';
+
+    /**
+     * Possible string representations of an account's type.
+     * @link https://stripe.com/docs/api/accounts/object#account_object-type
+     */
+    const TYPE_CUSTOM   = 'custom';
+    const TYPE_EXPRESS  = 'express';
+    const TYPE_STANDARD = 'standard';
+
     public static function getSavedNestedResources()
     {
         static $savedNestedResources = null;
diff --git a/lib/Event.php b/lib/Event.php
index 319cc9db0..38eb24cf3 100644
--- a/lib/Event.php
+++ b/lib/Event.php
@@ -104,6 +104,9 @@ class Event extends ApiResource
     const PAYOUT_FAILED                            = 'payout.failed';
     const PAYOUT_PAID                              = 'payout.paid';
     const PAYOUT_UPDATED                           = 'payout.updated';
+    const PERSON_CREATED                           = 'person.created';
+    const PERSON_DELETED                           = 'person.deleted';
+    const PERSON_UPDATED                           = 'person.updated';
     const PING                                     = 'ping';
     const PLAN_CREATED                             = 'plan.created';
     const PLAN_DELETED                             = 'plan.deleted';
diff --git a/lib/Person.php b/lib/Person.php
index 500f4915b..56241c4c4 100644
--- a/lib/Person.php
+++ b/lib/Person.php
@@ -41,6 +41,21 @@ class Person extends ApiResource
     use ApiOperations\Delete;
     use ApiOperations\Update;
 
+    /**
+     * Possible string representations of a person's gender.
+     * @link https://stripe.com/docs/api/persons/object#person_object-gender
+     */
+    const GENDER_MALE = 'male';
+    const GENDER_FEMALE = 'female';
+
+    /**
+     * Possible string representations of a person's verification status.
+     * @link https://stripe.com/docs/api/persons/object#person_object-verification-status
+     */
+    const VERIFICATION_STATUS_PENDING    = 'pending';
+    const VERIFICATION_STATUS_UNVERIFIED = 'unverified';
+    const VERIFICATION_STATUS_VERIFIED   = 'verified';
+
     /**
      * @return string The API URL for this Stripe account reversal.
      */