| Subscribe 2021.04 | Topps Gift Card Integration | Gift Cards | - New topics created for new object |
| Gift Card Redemptions | - New topics created for new object | | |
| Support for 3DS | Finish a Transaction | - Topic was updated with a query parameter required for 3DS support and for carrier billing. | |
| Extended Verification | - New topic created for feature | | |
| Update an Account | - query parameter enable_3ds added | | |
| The Transaction Object | - policy: enable_3ds added to the attributes. - Other policy attributes updated. | | |
| The Subscription Object | - policy: enable_3ds added to the attributes. - Other policy attributes updated. - Subscription Status and subscription billing status updated as part of a general update. | | |
| The Payment Method Object | - policy: enable_3ds added to the attributes. - Other policy attributes updated. | | |
| Credit Card Attributes | - Added extended_verification_response parameter - Added extended_verification parameter | | |
| External ID as key | The Account Object | - External ID added in Example of object | |
| Fetch an Account | - Added External ID in Route Parameter values | | |
| Create an Account | - Added external id in request example. | | |
| General | Supported Operations topic headings updated per Object | | |
| List (All) Subscriptions | - Changed the description of the topic. - Changed Account to be a required query parameter in the HTTP request and in the query parameters table. | | |
| - The Transaction Object - The Subscription Object - The Payment Method Object | Policy attributes updated for Subscription, Transaction and Payment Method objects. | | |
| Pause a Subscription | Added clarification that relevant for credit card and external billing Methods. | | |
| Grant Entitlement | Corrected the call to show that the account ID is needed. | | |
| Fetch Account Family | Added the Route URL that lists the supported parameters. | | |
| Subscribe 2021.05 | Metadata Name-value pair enhancement | Metadata | Updated Value limit to 1024 characters and added description. |
| General | Link corrections | - Subscribe REST API Overview - Subscriptions - Accounts - Campaigns - Products - Payment Methods - Billing Plans - Chargebacks - Invoices | Updated links to additional resources. |
| Update Attributes | The Campaign Object | Updated Campaign object with missing attributes | |
| Campaign Codes | Added object and relevant calls. | | |
| Flat Discount | Added resource and attributes | | |
| Coupons Resource | Removed from guide as object was merged into campaign object | | |
| Subscription Item | Added the campaign_code and campaign_id attributes in the topic. | | |
| Subscribe 2021.06 | General | Pause a Subscription | Removed bullet point that relevant only for credit card and external billing payment methods. |
| Incremental Coupon Code Generation On Demand | Generate Incremental Coupon Codes | Added call and required attributes | |
| GZIP Compression | Making Requests | Added header changes required. | |
| General | Added missing call | Add Campaign Code to a Subscription | Added the call and the required attributes |
| Updated query parameters | List Entitlements | Query parameters for the call were updated. | |
| Added missing call | Create an Entitlement | Added missing call | |
| Added missing endpoint | Payments | Added object, supported operations and calls. | |
| The Subscription Object | Improved most_recent_billing and most_recent_refunds attribute descriptions. | |
| Subscribe 2021.09 | REST Versioning | Added support for two separate versions 20190501(V1) and 20210401 (V2) | Tailored content for V1 20190501 default version |
| Bug fix | The Transaction Object | Changed Policy:campaign code attribute type to a link to campaign codes. | |
| Bug fix | The Campaign Object | Changed campaign_type attribute to type. | |
| General | | Metadata | Moved topic from Overview to Resources chapter. |
| Document gap | Modify a Subscription | Added description for the new_billing_date query parameter | |
| Document Gap | Reverse a Payment | Added a response and updated the payment status. | |
| Document Gap | Update a Cancel Reason | Added topic explaining this call. | |
| Document Gap | Event Summaries | Added topics regarding this object and its relevant calls. | |
| Bug fix | Fetch Future Transactions | Added quantity query parameter and an example of a call. | |
| Document Gap | List all Billing Plans | Added query parameters relevant for the call. | |
| Subscribe 2021.10 | Tax Enhancement | Tax Item | Added external_tax_identifier attribute. |
| Tax Enhancement | Address | Added tax_area_identifier attribute. | |
| Tax Enhancement | The Invoice Object | Added sales_tax_address attribute. | |
| Document Gap | The Charge Object | Description of the object improved to explain that these are pending charges for future invoices. | |
| General | Bug fix | Create a Refund | Added note that an amount is required for a refund or the full transaction amount is refunded. |
| Subscribe 2022.01 | Added New Refunds Endpoint | The Refunds chapter | Added refunds endpoint for all Refund calls. Additionally, updated the calls to show both the existing transactions endpoint refund and the new refunds endpoint.Update a refund call has been removed as it is not supported. |
| Bug fix | MAP Attributes | Corrected the account data type to string on MAP Attributes. | |
| Subscribe 2022.02 | Updated tax disposition for refunds | The Refund Object | Added tax input for the refund_distribution_strategy field. |
| Subscribe 2022.03 | Bug fix | Pause a Subscription | Corrected default value for effective_date parameter. |
| Updated attributes | Transaction Status | Added missing payment method External Billing in payment_method_type attribute.Added auth_code_description attribute. | |
| Subscribe 2022.05 | Bug fix | The Subscription Object | Removed Pending resume status from Subscription Object |
| Venmo Support | - Venmo Attributes - Transaction Status Venmo - The Payment Method Object | Added Venmo support including: - Venmo payment method attributes and purchase flow - Venmo Transaction status log - Updated the Payment Method object with Venmo details and external_token. | |
| Bug fix | Fetch A Specific Child Account | Added missing call allowing to fetch a specific Child Account based on the IDs of the Parent Account and the Child Account. | |
| Subscribe 2022.06 | Improvement | Update an Existing Rate Plan | Added a query Parameter that allows forcing an update of an existing rate plan with associated un-billed events. |
| Subscribe 2022.09 | Bug fix | Products | Updated the descriptions of the status and end_of_life Attributes. |
| Improvement | Campaigns | Added the total_code_marked_used Attribute to the Campaign object. | |
| Subscribe 2022.10 | New Endpoint | Reason Codes | Added the Reason Codes endpoint. |
| Subscribe 2022.11 | Improvement | Transactions | Added the payment_provider_response Attribute to the Transactions object. |
| Improvement | Subscriptions | Added the status query parameter to the List All Subscriptions endpoint. | |
| Bug Fix | Rate Plans | Corrected the HTTP Request sections in the following endpoints:- Create a New Rate Plan - Fetch a Specific Rate Plan - Update an Existing Rate Plan - List All Rate Plans | |
| Chargebacks | Corrected the HTTP Request section in the Update a Chargeback endpoint. | | |
| Subscriptions | Corrected the HTTP Request sections in the following endpoints:- Fetch All Currency Credit Amount Changes - Fetch Currency Credit Amount Change - Fetch Token Credit Amount Change | | |
| Subscribe 2023.01 | New Attribute | Credit Cards | Added the type Attribute to the Credit Card Attribute |
| New Attribute | The Payment Method Object | Added the linked_subscription Attribute to the Payment Method object. | |
| Subscribe 2023.05 | New Query Parameter | Activate a Specific Subscription | Added the reset_billing_day Query Parameter to the Activate a Specific Subscription endpoint. |
| Subscribe 2023.08 | Braintree PayPal support | - Braintree PayPal Attributes - The Payment Method Object | Added Braintree PayPal support including: - Braintree PayPal payment method attributes and purchase flow - Updated the Payment Method object with Braintree PayPal details and external_token. |
