- Added `language` parameter to [Billing Request Flow](https://developer.gocardless.com/api-reference#billing-request-flows-create-a-billing-request-flow) creation.
1.33.0
- Added `mandate_request[description]` and `mandate_request[constraints]` parameters to Billing Request creation - Added `consent_parameters` to mandate
1.32.0
- Added support for `prefilled_customer` and `prefilled_bank_account` in Billing Request Flow
1.31.0
- Added `reference` field to Mandate Request in Billing Request
1.30.0
- Initial support for PayTo
1.29.0
- Added `ip_address` to `customer_billing_detail` property in Billing Request.