Stripe handles payments, invoicing and collections. It is the only tool that appears twice in our lead-to-care cycle: once where invoices go out, once where cash comes in. Buildrhaus wires both stages to the same rail and keeps the CRM as the source of truth above it.

Invoicing: triggered, not typed

In most teams, an invoice is something a human remembers to create. In the engines we build, it is something a signature triggers. When a proposal is signed in PandaDoc or accepted in Qwilr, an n8n workflow creates the Stripe invoice from the Attio deal: amounts, billing entity, currency and payment terms come from CRM data. Nothing is retyped between sales and billing, so the number the client signed is the number on the invoice. For French statutory invoicing and accounting, we pair this rail with Pennylane.

Collections: the cycle does not end at sent

An invoice that goes out is a promise, not revenue. Stripe carries the second half: hosted payment, automatic retries on failed charges, reminder emails on overdue invoices. Every payment event flows back to the CRM, so a deal marked won and unpaid looks different from a deal marked won and settled. For receivables that need a heavier process, follow-up sequences with escalation paths, we plug Upflow downstream of the same rail.

What Buildrhaus builds with Stripe

• Signature-triggered invoicingThe signed quote becomes a Stripe invoice automatically, built from deal data, with no relay between sales and finance.
• Payment status on the dealPaid, failed and refunded events are written back to the Attio record. Pipeline reviews include the cash dimension by default.
• Dunning that matches realityRetries and reminders configured on actual payment behavior, escalating to a human task in the CRM when automation has done its part.
• Cash reconciliationInvoiced versus collected, visible from the CRM. The reporting reads money in the bank, not promises in a column.

How we wire it

Stripe is API-first with a mature webhook system, which makes it a clean anchor for the whole quote-to-cash chain. Our standard pattern: n8n workflows create invoices through the Stripe API on deal events, and webhook listeners catch payment events to update Attio, fire dunning steps and reconcile cash. Webhook signatures are verified, retries are idempotent, and every write to the CRM is checked before it lands.

This is the backbone of Revenue Engine Build, the offer that explicitly covers quote/CPQ, invoicing and collections on Stripe. A narrower fix, one connection, one webhook flow, fits a one-week Signal Sprint.