A money order is a way to send money to another person or business. The following sample HTML code shows a payment button with variables for automatically filling out PayPal forms for the buyer.Upgrade your website's online checkout with PayPal. Our eCommerce and custom solutions make accepting payments fast, secure, and easy. After completing your order form, go to Form Settings > Payments, then click either the PayPal Business or PayPal Personal icon. Download our sample invoice template and create a professional invoice for your business. Process payments from your forms (via Zapier). Connect Fillout forms and PayPal, with Zapier and Make. How do I pre-populate my customer's PayPal sign-up form?