Submit Type is an add-on for the Stripe Checkout plugin that can be used to customize the type of the submit button that appears on the Stripe payment page. This allows you to show a different button text on a per product basis such as “Book”, “Donate” or “Pay”.
How Submit Type with Stripe Works
Stripe offers 4 different submit types to customize the text that appears on the payment page button – pay, book, donate and auto.
Submit Button Type Pay

Submit Button Type Book

Submit Button Type Donate

Submit Button Type Auto

How to Customize Stripe Submit Type
Open the product in question (Stripe Checkout > Products > Edit) and select the Submit Type in it.
Get the Submit Type Add-on
WP Stripe Checkout Submit Type
Customize the type of the submit button that appears on the Stripe payment page.
License: Unlimited Websites
Note:
* Do not purchase before setting up the core plugin first. The add-on is not at fault if the core plugin does not work on your website.
* Do not purchase if you are not sure about a feature, contact us instead.
* Do not purchase to ask for more features or make the product work in a certain way.
Price: $39.99
Get All WP Stripe Checkout Add-ons
WP Stripe Checkout Add-on Bundle
Access to all WP Stripe Checkout plugin add-ons.
* Variable Price
* Variable Quantity
* Submit Type
* Terms of Service
* Payment Link Email
* Variable Currency
* WordPress User Tracking
* WordPress User Only Button
* Product SEO
License: Unlimited Websites
Note:
* This is a single, one-time payment (no recurring subscription).
* Do not purchase before setting up the core plugin first. The add-on is not at fault if the core plugin does not work on your website.
* Do not purchase if you are not sure about a feature, contact us instead.
* Do not purchase to ask for more features or make the product work in a certain way.
Price: $49.99
What does the donate type do?
@Brian, When this is set, Stripe should classify the transaction as a donation.