Laravel integration. Our product is written in Laravel, which supports Stripe out of the box.
Customer service. When I had questions during my integration, customer support was easily accessible, friendly and helpful.
Modern UI creates a quick, seamless purchase process for the customer.
The ability to generate one-off custom invoices (not associated with a specific product) allows us to bill for custom development services through the same payment processor.
The backend dashboard is well laid out and provides lots of great information.
Test mode makes testing purchases quick and painless.
Great looking customer-facing invoices.