Adds Affirm as a supported payment method for one-time invoices and subscriptions

What’s new

Introduces support for Affirm on the hosted invoice page, as well as for Subscriptions and Invoices with collection_method=send_invoice.

To use Affirm on the hosted invoice page with dynamic payment methods, enable it in your Dashboard payment method settings. Otherwise, include affirm in payment_settings.payment_method_types when you create a Subscription or an Invoice with collection_method=send_invoice.

Value	Change	Enums
affirm	Added	Invoice#create. payment_settings. payment_method_types Invoice#update. payment_settings. payment_method_types Invoice. payment_settings. payment_method_types + 3 more Subscription#create. payment_settings. payment_method_types Subscription#update. payment_settings. payment_method_types Subscription. payment_settings. payment_method_types

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If you don’t use an SDK, update your API requests to include Stripe-Version: 2025-04-30. basil