Plug into your payment stack

RetainFlow sits on top of the processors you already use — same subscriptions, smarter recovery. More billing platforms roll out regularly.

• Stripe

  Billing · Invoicing · Checkout

  Smart retries, decline-code intelligence, dunning sequences, and recovery analytics on top of Stripe Billing and webhooks.

  Stripe integration

• Braintree

  PayPal · Cards · Venmo · ACH

  Processor-aware recovery for Braintree merchants: response codes, PayPal wallet fallbacks, and method-specific dunning.

  Braintree integration

Need another processor? Tell us what you use— we prioritize the stack founders ask for first.