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Stripe Payment Method for Solidus



>= 3.2, < 5
~> 8.0
 Project Readme

Solidus Stripe

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Add solidus_stripe to your bundle and run the installation generator:

bundle add solidus_stripe
bin/rails generate solidus_stripe:install

Then set the following environment variables both locally and in production in order to setup the solidus_stripe_env_credentials static preference as defined in the initializer:

SOLIDUS_STRIPE_API_KEY                # will prefill the `api_key` preference
SOLIDUS_STRIPE_PUBLISHABLE_KEY        # will prefill the `publishable_key` preference
SOLIDUS_STRIPE_WEBHOOK_SIGNING_SECRET # will prefill the `webhook_signing_secret` preference

Once those are available you can create a new Stripe payment method in the /admin interface and select the solidus_stripe_env_credentials static preference.

⚠️ Be sure to set the enviroment variables to the values for test mode in your development environment.

Webhooks setup

The webhooks URLs are automatically generated based on the enviroment, by default it will be scoped to live in production and test everywhere else.

Production enviroment

Before going to production, you'll need to register the webhook endpoint with Stripe, and make sure to subscribe to the events listed in the SolidusStripe::Webhook::Event::CORE constant.

So in your Stripe dashboard you'll need to set the webhook URL to:


Non-production enviroments

While for development you should use the stripe CLI to forward the webhooks to your local server:

# Please refer to `stripe listen --help` for more options
stripe listen --forward-to http://localhost:3000/solidus_stripe/test/webhooks

Supporting solidus_frontend

If you need support for solidus_frontend please refer to the README of solidus_stripe v4.

Installing on a custom frontend

If you're using a custom frontend you'll need to adjust the code copied to your application by the installation generator. Given frontend choices can vary wildly, we can't provide a one-size-fits-all solution, but we are providing this simple integration with solidus_starter_frontend as a reference implementation. The amount of code is intentionally kept to a minimum, so you can easily adapt it to your needs.


Authorization and capture and checkout finalization

Stripe supports two different flows for payments: authorization and capture and immediate payment.

Both flows are supported by this extension, but you should be aware that they will happen before the order finalization, just before the final confirmation. At that moment if the payment method of choice will require additional authentication (e.g. 3D Secure) the extra authentication will be shown to the user.

Upgrading from v4

This extension is a complete rewrite of the previous version, and it's not generally compatible with v4.

That being said, if you're upgrading from v4 you can check out this guide to help you with the transition from payment tokens to payment intents: https://stripe.com/docs/payments/payment-intents/migration.


Showing reusable sources in the checkout

When saving stripe payment methods for future usage the checkout requires a partial for each supported payment method type.

For the full list of types see: https://stripe.com/docs/api/payment_methods/object#payment_method_object-type.

The extension will only install a partial for the card type, located in app/views/checkouts/existing_payment/stripe/_card.html.erb, and fall back to a default partial otherwise (see app/views/checkouts/existing_payment/stripe/_default.html.erb).

As an example, in order to show a wallet source connected to a SEPA Debit payment method the following partial should be added:


<% sepa_debit = stripe_payment_method.sepa_debit %>
🏦 <%= sepa_debit.bank_code %> / <%= sepa_debit.branch_code %><br>
IBAN: **** **** **** **** **** <%= sepa_debit.last4 %>

Showing reusable sources in the admin interface

Refer to the previous section for information on how to set up a new payment method type. However, it's important to note that if you have to display a wallet source connected to a Stripe Payment Method other than "card" on the admin interface, you must include the partial in:


Customizing Webhooks

Solidus Stripe comes with support for a few webhook events, to which there's a default handler. You can customize the behavior of those handlers by or add to their behavior by replacing or adding subscribers in the internal Solidus event bus.

Each event will have the original Stripe name, prefixed by stripe.. For example, the payment_intent.succeeded event will be published as stripe.payment_intent.succeeded.

Here's the list of events that are supported by default:


Adding a new event handler

In order to add a new handler you need to register the event you want to listen to, both in Stripe and in your application:

# config/initializers/solidus_stripe.rb
SolidusStripe.configure do |config|
  config.webhook_events = %i[charge.succeeded]

That will register a new :"stripe.charge.succeeded" event in the Solidus bus. The Solidus event will be published whenever a matching incoming webhook event is received. You can subscribe to it as usual:

# app/subscribers/update_account_balance_subscriber.rb
class UpdateAccountBalanceSubscriber
  include Omnes::Subscriber

  handle :"stripe.charge.succeeded", with: :call

  def call(event)
    # Please refere to the Stripe gem and API documentation for more details on the
    # structure of the event object. All methods called on `event` will be forwarded
    # to the Stripe event object:
    # - https://www.rubydoc.info/gems/stripe/Stripe/Event
    # - https://stripe.com/docs/webhooks/stripe-events

    Rails.logger.info "Charge succeeded: #{event.data.to_json}"

# config/initializers/solidus_stripe.rb
# ...
Rails.application.config.to_prepare do

The passed event object is a thin wrapper around the Stripe event and the associated Solidus Stripe payment method. It will delegate all unknown methods to the underlying stripe event object. It can also be used in async adapters, which is recommended as otherwise the response to Stripe will be delayed until subscribers are done.

Configuring the webhook signature tolerance

You can also configure the signature verification tolerance in seconds (it defaults to the same value as Stripe default):

# config/initializers/solidus_stripe.rb
SolidusStripe.configure do |config|
  config.webhook_signature_tolerance = 150

Customizing the list of available Stripe payment methods

By default, the extension will show all the payment methods that are supported by Stripe in the current currency and for the merchant country.

You can customize the list of available payment methods by overriding the payment_method_types option in the app/views/checkouts/payment/_stripe.html.erb partial. Please refer to the Stripe documentation for the full list of supported payment methods.

Non-card payment methods and "auto_capture"

Solidus payment methods are configured with a auto_capture option, which is used to determine if the payment should be captured immediately or not. If you intend to use a non-card payment method, it's likely that you'll need to set auto_capture to true in the payment method configuration. Please refer to the Stripe documentation for more details.


Payment state-machine vs. PaymentIntent statuses

When compared to the Payment state machine, Stripe payment intents have different set of states and transitions. The most important difference is that on Stripe a failure is not a final state, rather just a way to start over.

In order to map these concepts SolidusStripe will match states in a slightly unexpected way, as shown below.

Stripe PaymentIntent Status Solidus Payment State
requires_payment_method checkout
requires_action checkout
processing processing
requires_confirmation checkout
requires_capture pending
succeeded completed


Deferred payment confirmation

This extensions is using the two-step payment confirmation flow. This means that at the payment step the payment form will just collect the basic payment information (e.g. credit card details) and any additional confirmation is deferred to the confirmation step.


Retrieve your API Key and Publishable Key from your Stripe testing dashboard. You can get your webhook signing secret executing the stripe listen command.

Set SOLIDUS_STRIPE_API_KEY, SOLIDUS_STRIPE_PUBLISHABLE_KEY and SOLIDUS_STRIPE_WEBHOOK_SIGNING_SECRET environment variables (e.g. via direnv), this will trigger the default initializer to create a static preference for SolidusStripe.

Run bin/dev to start both the sandbox rail server and the file watcher through Foreman. That will update the sandbox whenever a file is changed. When using bin/dev you can safely add debugger statements, even if Foreman won't provide a TTY, by connecting to the debugger session through rdbg --attach from another terminal.

Visit /admin/payments and create a new Stripe payment using the static preferences.

See the Webhooks section to learn how to configure Stripe webhooks.

Testing the extension

First bundle your dependencies, then run bin/rake. bin/rake will default to building the dummy app if it does not exist, then it will run specs. The dummy app can be regenerated by using bin/rake extension:test_app.


To run Rubocop static code analysis run

bundle exec rubocop

When testing your application's integration with this extension you may use its factories. Simply add this require statement to your spec/spec_helper.rb:

require 'solidus_stripe/testing_support/factories'

Or, if you are using FactoryBot.definition_file_paths, you can load Solidus core factories along with this extension's factories using this statement:


Running the sandbox

To run this extension in a sandboxed Solidus application, you can run bin/sandbox. The path for the sandbox app is ./sandbox and bin/rails will forward any Rails commands to sandbox/bin/rails.

Here's an example:

$ bin/rails server
=> Booting Puma
=> Rails application starting in development
* Listening on tcp://
Use Ctrl-C to stop

Releasing new versions

Please refer to the dedicated page on Solidus wiki.


Copyright (c) 2014 Spree Commerce Inc., released under the New BSD License Copyright (c) 2021 Solidus Team, released under the New BSD License.