Payments: Stripe, PayPal, GoCardless
Collect invoices and proposals online.
Stripe
Sidebar then Integrations then Stripe (or `/stripe`). Connect via OAuth. Enable the payment button in your invoices and proposals, the client pays by card, status moves to paid automatically.
PayPal
Sidebar then Integrations then PayPal (or `/paypal`). Set your API key. Same capabilities as Stripe: payment button, auto capture, notification.
GoCardless (SEPA)
Sidebar then Integrations then GoCardless (or `/gocardless`). Specialized in SEPA direct debit, ideal for recurring payments (monthly subscriptions).
On GoCardless, the client signs a SEPA mandate. Once signed, all future debits are automatic as long as the mandate is active.