Add subscription billingPortalToken (#1834)

* Add subscription billingPortalToken

* Update openapi/components/schemas/Subscription.yaml

Co-authored-by: Adam Altman <[email protected]>

---------

Co-authored-by: Adam Altman <[email protected]>
Co-authored-by: Alen Mehic <[email protected]>

Author: 3 people

openapi/components/schemas/Subscription.yaml

@@ -441,6 +441,15 @@ properties:
       If this value is `null`, this field uses risk metadata that is captured when creating the payment token.
     allOf:
       - $ref: ./RiskMetadata.yaml
+  billingPortalToken:
+    description: |-
+      Customer JWT to access billing portal. This field is presented only if billing portal exists.
+      This is an experimental field and can be changed or removed in the future.
+    type:
+      - 'string'
+      - 'null'
+    readOnly: true
+    x-badge: experimental
   customFields:
     $ref: ./ResourceCustomFields.yaml
   createdTime: