By connecting Twilio with PassKit, you can create dynamic messaging experiences tied directly to your digital passes. From sending an SMS when a new pass is issued, to alerting a customer when a loyalty reward is earned or a membership is expiring, this integration brings together real-time communication and mobile wallet engagement.

Using PassKit’s webhooks and API tools, you can trigger Twilio messages based on pass event, giving you a direct line to customers at key moments in their journey.

Setting Up The Integration

To connect Twilio with PassKit, you’ll use the API and webhook tools available directly in your PassKit dashboard.

First, log into your PassKit account and go to Settings > Developer Tools. This is where you’ll find your API region, SDK host, port, and REST API prefix — the essential details for building secure integrations.

Next, head to your project’s Settings > Integrations > Webhooks to create event-based triggers. These webhooks will notify your Twilio-connected endpoint when a pass is created, updated, installed, uninstalled, or deleted.

In Twilio, you can use functions, webhooks, or Twilio Studio to handle incoming data from PassKit and trigger messages — such as sending a confirmation SMS or WhatsApp message when a pass is installed.

Everything can be customized based on your workflow needs, and you’ll only ever send messages at the right moment.

Webhooks Overview

Webhooks are the key to creating real-time communication between PassKit and Twilio. Whenever a pass is issued, updated, installed, or removed, PassKit can instantly notify your system — eliminating the need for manual syncs or polling.

To set up webhooks:

  1. Navigate to Settings > Integrations > Webhooks in your PassKit project.
  2. Choose which pass events you want to track (e.g. pass issued, pass installed).
  3. Enter your webhook URL (pointing to your Twilio Function, Studio Flow, or server endpoint).
  4. Save the configuration and test your connection.

Each webhook delivers a structured payload containing pass details and customer information, which can then be used to trigger relevant Twilio messages.

For example, a pass installation event might send a welcome SMS. A pass update could trigger a message notifying a customer about new points, tier upgrades, or expiring offers.

Common Use Cases

When PassKit and Twilio work together, you can build messaging workflows that react to real-time pass activity — creating stronger engagement without manual effort.

  • Send an SMS or WhatsApp message when a pass is issued, welcoming the customer or sharing key details.
  • Alert customers about pass changes, such as updated rewards, expiring coupons, or tier upgrades.
  • Confirm check-ins, redemptions, or bookings via automated texts when a pass is scanned or updated.
  • Remind users to reinstall a pass that’s been removed from their mobile wallet.
  • Trigger renewal or re-engagement messages based on pass inactivity or status changes.

These automations help create a more connected customer experience, ensuring that every message is timely, relevant, and based on actual engagement.

Requirements

Before you set up the Twilio + PassKit integration, make sure you have the following:

  • An active PassKit account with a live pass template
  • A Twilio account with SMS, WhatsApp, or other messaging capabilities
  • Access to Developer Tools in PassKit for API credentials and webhook configuration
  • A Twilio Function, Studio Flow, or webhook-ready endpoint to receive and process data
  • Basic familiarity with API/webhook setups or developer assistance

Once the connection is configured, your system will automatically handle messaging in real time — keeping communication aligned with pass activity and reducing manual tasks.

Support And Documentation

Helpful resources to guide you through setup and testing:

SDK and API Configuration Settings

Subscribe to PassKit Webhooks

Using Long-Lived API Tokens

Need help with testing, field mapping, or setting up your webhook endpoint? Reach out through the PassKit Help Center for assistance.

Can I Send A Message Automatically When A Pass Is Created?

Yes, just configure a webhook in PassKit and use Twilio to send a message when the event is received.

Can I Use WhatsApp Or Voice With This Integration?

Definitely. Twilio supports multiple communication channels. You can choose which one to use depending on your audience or use case.

Is Developer Help Required?

Some technical setup is needed, especially if you’re using custom endpoints or advanced Twilio functions. But for basic flows, a marketer or admin with workflow experience can often get things up and running.