Customer Portal

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Customer Portal
Customer Portal Overview, Features, & How-To's
Overview
The Billflow Customer Portal gives your customers a page to self-manage their subscriptions. It works with any subscriptions created in Stripe whether that be from Billflow, a custom Stripe integration, or another 3rd party app. 
You can configure the actions a user can perform in the portal, as well as enable options to increase up-sells and reduce churn.
The Customer Portal has a simple HTML/Javascript embed so it can be embedded onto any website that will accept this common embed method. It authorizes users with a security hash generated with the logged-in user's email or Stripe Customer ID. This method of authorization allows Billflow to work with any authentication provider. Make sure to check out plugins to make integration easier.
Customer Portal Settings
How to Identify Customers
You must choose how you will identify customers. You have an option to pass in a customer's email address or their Stripe Customer ID in order for Billflow to look up their information in Stripe. 
Identifying with email is simpler as it requires less data to store. Identifying with Stripe Customer ID is more robust because you do not need to handle email changes and is also needed when doing a tenant based architecture where multiple account are under the same group.
Enable Change Plan
Turn on to allow customers to change their plan. This will allow them to upgrade or downgrade between available tiers and change their billing interval. You must have a Service configured to use this feature, if you have not created a Service, you can read how to here.
Allow Resubscribe
Turn on to allow customers who have cancelled their subscription to resubscribe. Stripe does not allow a subscription in 'canceled' state to become 'active' again so this creates a new subscription based on the same Product.
Allow Plan Change for Canceled Subscriptions
Turn on to allow customers with a canceled subscription to change their plan and resubscribe. Both Change Plan and Resubscribe need to be enabled to allow for this feature.
Enable Coupon
Turn on to allow customers to enter a coupon from the customer portal. This feature is great for running promotions and retention campaigns. The coupon codes are configured in the Stripe Dashboard, to learn how read here.
Enable Security Hash
Turn on to enable security on your page in test mode. This option is required in live mode. In order for the customer portal to securely display customer billing information, a hash must be passed to the billing page options. This hash must be generated on the server with the logged in user's email or Stripe customer ID, whichever you are using to identify users. This step is covered in more detail in the Secure Setup.
Enable coupon for resubscribe
Turn on to allow customers to enter a coupon code when they resubscribe to a cancelled subscription. This is a great way to gain back previously canceled customers.
Show pricing for logged in users
This will show the plan picker for logged in users who have a subscription. In most scenarios, if using this option you should create a Plan Picker instead. Useful if you only need to show plans for existing customers.
Use Dropdown menu for subscription actions
Turn on to have the subscription actions be in a dropdown instead of buttons. 
Enable update card
Turn on to allow customers to update their payment information. This is a great way to reduce churn as a big amount of churn simply comes from expired or canceled credit cards. For more information on handling dunning, read here.
Show all customer invoices
Turn on to show all customer invoices including one-time invoices. By default, the invoices section will only show invoices related to the subscription the customer is viewing. If you do enterprise deals or one-off invoicing for services, enable this so customers can view all their invoices.
Enable quantity management
Turn on to allow customers to change the quantity of their subscription. This feature requires an additional metadata tag and unit label on the Stripe Product. Read here to learn about using this feature.
Enable cancellation
Turn on to allow customer to self-service canceling their subscription. Self-service reduces customer support load, but disabling can create more feedback for customer success teams.
Cancellation Reason
Turn on to ask customers why they are leaving. This will prompt the customer to give a reason for their cancelation so you can improve your service. The reason will be added as metadata on the cancelled Stripe subscription.
Cancel Immediately
Turn on for the subscription to cancel immediately. By default, the subscription will cancel at the end of the billing period.
Confirmation message when user requests cancellation
Customize the message the user sees when they confirm their cancellation. 
Language Settings
All Billflow billing pages have the ability to automatically detect the customer's browser language preference and translate the billing page accordingly. If the language is not supported by our page, a default language will be displayed. The default language is English US.
Automatically Detect User's Browser Settings
Turn on to automatically detect the customer's browser settings and translate the page. If not enabled, select your default language. Not seeing a language you need there? Contact us on the chat to request a translation.
Add a Custom Resource
Turn this option on to pass in your own translations. This can be used to host your own language files, but can also be used to change the text of specific sections to your desired text. To learn more about this option, read along here.  
Advanced Settings
Enable Handle Response 
Turn on to enable the handleResponse function. The function is used to handle events with custom code when events happen on the billing page like button clicks and actions performed. To learn more about events available and sample code snippets, read along here. 
Debug Mode
Turn on to enable debug mode for extra console logging.
Authentication Settings
There are two ways to get users authenticated with the customer portal to securely view their billing information. 
Integrate with existing authentication
The first method is to integrate with your existing authentication system if you have one for your app or website. This will be the preferred choice for SaaS applications. For more details on that, jump to the Secure Setup section. 
Billflow email auth
The second method is to use Billflow's Email Authentication option. This option allows you to add the customer portal to any website and simplifies the installation. If a customer goes to the page on your site with the customer portal, they will first see an option to enter in the email to get an access link. Submitting will send them an email which will take them back to the same page with a token, allowing them to view their billing information. 
Set your company name that the email sender should be shown as. Set your redirect URL to the URL where you have embedded the customer portal. A token will automatically be added to that URL when emails are sent.
Embed
Embedding the Customer Portal is a two-step process. For the client side installation just copy and paste the provided HTML snippet. The next step is secure setup.
If you have a frontend framework, check out the samples of embedding with those.
Authentication Secure Setup
The customer portal must be behind some kind of user authentication in order to safely show customers their billing information. Billflow authenticates users with an HMAC hash generated for the logged-in user, this allow is to work with any authentication system. If you are using a No-code platform, make sure to check out our plugins as they handle this step for you. If you are integrating into a custom application, continue on.
Your code to generate an HMAC for your app must be placed in the back-end of your application. Grab the snippet from the dashboard to add to your server. You may generate the HMAC with the user's email OR the user's Stripe Customer ID (customer_id).
The HMAC generated will be passed to the client-side snippet to a property called 'hash'.
Don't see your server-side language listed? Let us know and we'll get a code snippet for you!
Node.js
Rails (Ruby)
Django (Python)
PHP
Other
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const crypto = require("crypto");
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const email_hash = crypto.createHmac(
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    "sha256",
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    "YOUR_SECRET_KEY" // SECRET KEY (KEEP SAFE!)
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).update(req.user.email).digest("hex") // PASS THIS TO FRONT-END
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email_hash = OpenSSL::HMAC.hexdigest(
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    'sha256', # HASH FUNCTION
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    'YOUR_SECRET_KEY', # SECRET KEY (KEEP SAFE!)
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    current_user.email # REPLACE WITH USER'S EMAIL ADDRESS
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) # PASS THIS TO FRONT-END
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import hmac
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import hashlib
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​
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email_hash = hmac.new(
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    'YOUR_SECRET_KEY', # SECRET KEY (KEEP SAFE!)
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    request.user.email, # REPLACE WITH USER'S EMAIL ADDRESS
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    digestmod=hashlib.sha256 # HASH FUNCTION
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).hexdigest() # PASS THIS TO FRONT-END
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$email_hash = hash_hmac(
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    'sha256', // HASH FUNCTION
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    $user->email, // REPLACE WITH USER'S EMAIL ADDRESS
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    'YOUR_SECRET_KEY' // SECRET KEY (KEEP SAFE!)
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); // PASS THIS TO FRONT-END
Copied!
Generate an HMAC with SHA256 whenever a user logs into your app. Most web frameworks will have a method or library to help you do this. You'll need your app’s secret key and the email or user_id of the currently logged-in user.
Secret Key
Get Your Secret Key​
Seeing 403s? You can verify your HMAC is being generated properly by creating one here. Use "SHA256", pass in the customer's email or customer ID, and use your Billflow secret key as the secret. Compare that with what you're generating server-side and what's being passed to the client-side.
Keep your secret key safe! Never commit it directly a public repository, client-side code, or anywhere a third party can find it.
Don't forget to check out our integration samples!
Popular How-to's
Customer Portal Style Templates
Enable Quantity Management
Connect to SaaS
Developers
The pricing page has many more powerful features that can be unlocked with some simple coding. Check out the developer docs to learn more.
Embed Configurations
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Last modified 8mo ago