diff --git a/openapi/api.yaml b/openapi/api.yaml
index f32d168d..fc1aced8 100644
--- a/openapi/api.yaml
+++ b/openapi/api.yaml
@@ -885,7 +885,7 @@ paths:
           Alabama St.\"),\n\t\t\tCity:       recurly.String(\"San Francisco\"),\n\t\t\tPostalCode:
           recurly.String(\"94110\"),\n\t\t\tCountry:    recurly.String(\"US\"),\n\t\t\tRegion:
           \    recurly.String(\"CA\"),\n\t\t},\n\t\tNumber: recurly.String(\"4111111111111111\"),\n\t\tMonth:
-          \ recurly.String(\"12\"),\n\t\tYear:   recurly.String(\"22\"),\n\t\tCvv:
+          \ recurly.String(\"12\"),\n\t\tYear:   recurly.String(\"30\"),\n\t\tCvv:
           \   recurly.String(\"123\"),\n\t},\n}\n\naccount, err := client.CreateAccount(accountReq)\nif
           e, ok := err.(*recurly.Error); ok {\n\tif e.Type == recurly.ErrorTypeValidation
           {\n\t\tfmt.Printf(\"Failed validation: %v\", e)\n\t\treturn nil, err\n\t}\n\tfmt.Printf(\"Unexpected
@@ -3195,6 +3195,7 @@ paths:
       - "$ref": "#/components/parameters/site_id"
       - "$ref": "#/components/parameters/account_id"
       - "$ref": "#/components/parameters/ids"
+      - "$ref": "#/components/parameters/invoice_state"
       - "$ref": "#/components/parameters/limit"
       - "$ref": "#/components/parameters/order"
       - "$ref": "#/components/parameters/sort_dates"
@@ -7394,6 +7395,7 @@ paths:
       parameters:
       - "$ref": "#/components/parameters/site_id"
       - "$ref": "#/components/parameters/ids"
+      - "$ref": "#/components/parameters/invoice_state"
       - "$ref": "#/components/parameters/limit"
       - "$ref": "#/components/parameters/order"
       - "$ref": "#/components/parameters/sort_dates"
@@ -13059,6 +13061,7 @@ paths:
       - "$ref": "#/components/parameters/site_id"
       - "$ref": "#/components/parameters/subscription_id"
       - "$ref": "#/components/parameters/ids"
+      - "$ref": "#/components/parameters/invoice_state"
       - "$ref": "#/components/parameters/limit"
       - "$ref": "#/components/parameters/order"
       - "$ref": "#/components/parameters/sort_dates"
@@ -14724,6 +14727,18 @@ components:
       required: true
       schema:
         type: string
+    invoice_state:
+      name: state
+      in: query
+      description: Invoice state.
+      schema:
+        type: string
+        default: all
+        enum:
+        - pending
+        - past_due
+        - paid
+        - failed
     measured_unit_id:
       name: measured_unit_id
       in: path
@@ -15932,6 +15947,11 @@ components:
           type: string
           title: Country
           description: Country, 2-letter ISO 3166-1 alpha-2 code.
+        geo_code:
+          type: string
+          maxLength: 20
+          description: Code that represents a geographic entity (location or object).
+            Only returned for Sling Vertex Integration
     AddOnMini:
       type: object
       title: Add-on mini details
@@ -16652,9 +16672,10 @@ components:
           properties:
             account_reference:
               type: string
-              description: Used by Adyen gateways. The Shopper Reference value used
-                when the external token was created. Must be used in conjunction with
-                gateway_token and gateway_code.
+              description: Used by Adyen and Braintree gateways. For Adyen The Shopper
+                Reference value used when the external token was created. Must be
+                used in conjunction with gateway_token and gateway_code. For Braintree
+                the PayPal PayerID is populated in the response.
               maxLength: 264
         amazon_billing_agreement_id:
           type: string
@@ -16662,6 +16683,9 @@ components:
         paypal_billing_agreement_id:
           type: string
           title: PayPal billing agreement ID
+        roku_billing_agreement_id:
+          type: string
+          title: Roku's CIB if billing through Roku
         fraud_session_id:
           type: string
           title: Fraud Session ID
@@ -19734,6 +19758,11 @@ components:
           type: string
           maxLength: 50
           description: Country, 2-letter ISO 3166-1 alpha-2 code.
+        geo_code:
+          type: string
+          maxLength: 20
+          description: Code that represents a geographic entity (location or object).
+            Only returned for Sling Vertex Integration
         created_at:
           type: string
           title: Created at
@@ -19789,6 +19818,11 @@ components:
           type: string
           maxLength: 50
           description: Country, 2-letter ISO 3166-1 alpha-2 code.
+        geo_code:
+          type: string
+          maxLength: 20
+          description: Code that represents a geographic entity (location or object).
+            Only returned for Sling Vertex Integration
       required:
       - first_name
       - last_name
@@ -20039,6 +20073,11 @@ components:
           type: string
           maxLength: 50
           description: Country, 2-letter ISO 3166-1 alpha-2 code.
+        geo_code:
+          type: string
+          maxLength: 20
+          description: Code that represents a geographic entity (location or object).
+            Only returned for Sling Vertex Integration
     Site:
       type: object
       properties:
@@ -21334,6 +21373,14 @@ components:
         remaining_billing_cycles:
           type: integer
           description: Represents how many billing cycles are left in a ramp interval.
+        starting_on:
+          type: string
+          format: date-time
+          title: Date the ramp interval starts
+        ending_on:
+          type: string
+          format: date-time
+          title: Date the ramp interval ends
         unit_amount:
           type: integer
           description: Represents the price for the ramp interval.
@@ -22275,8 +22322,9 @@ components:
           properties:
             account_reference:
               type: string
-              description: Used by Adyen gateways. The Shopper Reference value used
-                when the external token was created.
+              description: Used by Adyen and Braintree gateways. For Adyen the Shopper
+                Reference value used when the external token was created. For Braintree
+                the PayPal PayerID is populated in the response.
               maxLength: 264
         billing_agreement_id:
           type: string
diff --git a/recurly/client.py b/recurly/client.py
index 787ada00..123f1fb4 100644
--- a/recurly/client.py
+++ b/recurly/client.py
@@ -749,6 +749,8 @@ def list_account_invoices(self, account_id, **options):
               results correspond to your request.
             * Records are returned in an arbitrary order. Since results are all
               returned at once you can sort the records yourself.
+        state : str
+            Invoice state.
         limit : int
             Limit number of records 1-200.
         order : str
@@ -1970,6 +1972,8 @@ def list_invoices(self, **options):
               results correspond to your request.
             * Records are returned in an arbitrary order. Since results are all
               returned at once you can sort the records yourself.
+        state : str
+            Invoice state.
         limit : int
             Limit number of records 1-200.
         order : str
@@ -3370,6 +3374,8 @@ def list_subscription_invoices(self, subscription_id, **options):
               results correspond to your request.
             * Records are returned in an arbitrary order. Since results are all
               returned at once you can sort the records yourself.
+        state : str
+            Invoice state.
         limit : int
             Limit number of records 1-200.
         order : str
diff --git a/recurly/resources.py b/recurly/resources.py
index 3008bfe8..7c8339f6 100644
--- a/recurly/resources.py
+++ b/recurly/resources.py
@@ -57,6 +57,8 @@ class Address(Resource):
         Country, 2-letter ISO 3166-1 alpha-2 code.
     first_name : str
         First name
+    geo_code : str
+        Code that represents a geographic entity (location or object). Only returned for Sling Vertex Integration
     last_name : str
         Last name
     phone : str
@@ -75,6 +77,7 @@ class Address(Resource):
         "city": str,
         "country": str,
         "first_name": str,
+        "geo_code": str,
         "last_name": str,
         "phone": str,
         "postal_code": str,
@@ -238,6 +241,8 @@ class ShippingAddress(Resource):
         Created at
     email : str
     first_name : str
+    geo_code : str
+        Code that represents a geographic entity (location or object). Only returned for Sling Vertex Integration
     id : str
         Shipping Address ID
     last_name : str
@@ -264,6 +269,7 @@ class ShippingAddress(Resource):
         "created_at": datetime,
         "email": str,
         "first_name": str,
+        "geo_code": str,
         "id": str,
         "last_name": str,
         "nickname": str,
@@ -389,7 +395,7 @@ class GatewayAttributes(Resource):
     Attributes
     ----------
     account_reference : str
-        Used by Adyen gateways. The Shopper Reference value used when the external token was created.
+        Used by Adyen and Braintree gateways. For Adyen the Shopper Reference value used when the external token was created. For Braintree the PayPal PayerID is populated in the response.
     """
 
     schema = {
@@ -1238,6 +1244,8 @@ class InvoiceAddress(Resource):
         Country, 2-letter ISO 3166-1 alpha-2 code.
     first_name : str
         First name
+    geo_code : str
+        Code that represents a geographic entity (location or object). Only returned for Sling Vertex Integration
     last_name : str
         Last name
     name_on_account : str
@@ -1259,6 +1267,7 @@ class InvoiceAddress(Resource):
         "company": str,
         "country": str,
         "first_name": str,
+        "geo_code": str,
         "last_name": str,
         "name_on_account": str,
         "phone": str,
@@ -2031,17 +2040,23 @@ class SubscriptionRampIntervalResponse(Resource):
     """
     Attributes
     ----------
+    ending_on : datetime
+        Date the ramp interval ends
     remaining_billing_cycles : int
         Represents how many billing cycles are left in a ramp interval.
     starting_billing_cycle : int
         Represents the billing cycle where a ramp interval starts.
+    starting_on : datetime
+        Date the ramp interval starts
     unit_amount : int
         Represents the price for the ramp interval.
     """
 
     schema = {
+        "ending_on": datetime,
         "remaining_billing_cycles": int,
         "starting_billing_cycle": int,
+        "starting_on": datetime,
         "unit_amount": int,
     }