🎉 WebMerge is now Formstack Documents!Learn More 🎉
Don't let documentation hiccups interrupt your cash flow. With our payment integration solutions, you can create custom payment documents on the fly without needing to worry about manual data entry. Generate invoices to notify clients that a bill is due, send receipts to confirm payment, create personalized letters to thank customers for their purchase, and much more. Just build or upload your documents in Formstack Documents and connect them to one of the payment integrations below to get started.