post
https://sandbox.api.tansoflow.com/api/v1/client/billing/invoices//stripe/checkout
Generates a hosted Stripe Checkout URL for a specific invoice. Redirect your customer to the returned URL to collect payment through Stripe's secure, hosted checkout page.
Requirements: Stripe must be enabled on your account. Configure your Stripe integration in the Tanso Dashboard.
Already paid: If the invoice is already paid, the response will return successfully with an empty url field.