
Rethinking Push and In-App Notifications: What B2B Can Learn from B2C
Most B2B products rely on push notifications alone, treating them as transactional alerts. But B2C companies like Airbnb and Starbucks have already figured out a better way—combining push for real-time engagement with an in-app inbox for persistence and organization. This playbook isn’t just for consumer apps; B2B can benefit, too. Here’s how to bring the best of B2C notifications into your product.

APNS Security Update 2025: Courier Customers Are All Set!
Apple’s APNS Security Update takes effect on March 29, 2025, requiring updated server certificates. After thorough testing, we’re excited to confirm that Courier customers are unaffected. Notifications sent via APNS with P8 keys or P12 certificates work seamlessly—no changes required. Read on to ensure your app is prepared.

The Evolution of Mobile Development: From native apps to Flutter, React Native, and AI
Mobile development has come a long way—from the challenges of native apps to the rise of cross-platform tools like React Native and Flutter. Now, AI is driving a new wave of innovation, making app creation faster, smarter, and more accessible than ever. Explore the journey and see what’s next for developers.

📣 How Twilio Used Courier to Unify Notifications for 10 Million Developers
Twilio, a leader in customer engagement, faced challenges scaling notifications for 10 million developers. Discover how Courier helped them unify workflows, deliver real-time updates, and enhance the developer experience at scale.

Courier Inbox Mobile SDK Updates - January 2025
This month, Courier rolls out updates to its mobile SDKs, enhancing usability, reliability, and developer experience across iOS, Android, React Native, and Flutter.

Smart Notification Scheduling with Delivery Windows
Timing is everything. Courier’s new Delivery Window feature ensures your notifications arrive at the perfect moment—no more off-hours pings or complex scheduling code. Define the rules, and Courier handles the rest, adapting seamlessly to time zones and user preferences.

Get Your iOS App Ready for the 2025 Apple Push Notification Service Server Certificate Update
Apple is updating its Push Notification Service (APNs) certificates in 2025. Learn how to prepare your app for these changes, ensure uninterrupted notifications, and get expert tips for a smooth transition.

How to Set Up Automatic Push Notifications Based on Segment Events
Push notifications have carved their own niche as a powerful tool for continuous user engagement. Regardless of whether an app is actively in use, they deliver your messages straight to your user's device. Two key players that can combine to enhance your push notification strategy are Segment and Courier. In this tutorial, we show you how to set up Courier to listen to your Segment events and then send push notifications to an Android device based on data from these events.

Best Practices for SMS Tools and Text Message API Implementation
Courier delivers easy access to the messaging providers you use, all in a familiar language and with documentation that’s comprehensive and easy to follow. This page will give you an overview of the SMS providers supported by Courier’s text messaging API, so that you can assess if moving towards a messaging management tool is right for you.