Stripe - Eonic/ProteanCMS GitHub Wiki
Add Protean.Providers.Payment.Stripe the solution and add it as a reference to the website project.
Copy
/xforms/paymentproviders/Stripe.xml /xsl/installedmodules/Stripe.xsl
from the Stripe project to the website
Add
<xsl:import href="InstalledModules/Stripe.xsl"/>
to /xsl/installedModules.xsl
Add
as so....
<protean>
    <web configSource="protean.web.config"/>
    <cart configSource="protean.cart.config"/>
    <payment configSource="protean.payment.config"/>
    <mailinglist configSource="protean.mailinglist.config"/>
    <theme configSource="protean.theme.config"/>
    <scheduler configSource="protean.scheduler.config"/>
    <paymentProviders>
      <providers>
        <add name="Stripe" type="Protean.Providers.Payment.Stripe, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" />
      </providers>
    </paymentProviders>
  </protean>
Goto protean admin > Ecommerce > Settings > PaymentProviders
Add Stripe and complete the settings.