Guide

The federal texting rule your transportation and logistics software is breaking

A single text to a driving trucker can trigger a federal fine of up to $11,000 for the motor carrier, and your transportation and logistics software is often what sent it. How to design driver notifications that stay on the right side of FMCSA rules.

How to Design an In-App Notification Center: UX tips and examples

A design-focused guide to building an in-app notification center people actually use. Covers the UX decisions that matter (entry point, information hierarchy, read state, grouping, empty states, inline actions, real-time, accessibility), then shows three ways to execute in Courier Inbox: brand-match with a theme, take over individual pieces with render props, or go fully headless with the `useCourier` hook. Ends with a pre-ship checklist.

How Apple's on-device AI works, and what it changes for your users

Apple's 2026 on-device models (AFM 3) are good enough to read, rank, and summarize everything that lands on your phone, locally and for free. Here's how they actually work, in plain terms, and how a model that reads every message before your users do changes what you should send.

Apple Intelligence finally got smart. Here's how it changes the notifications your users see.

Apple Intelligence's on-device models got dramatically better in iOS 27, and they now summarize, rank, and filter notifications before your users ever see them. There's no API to control that, so the words you send are the only lever you have. Here's how notification summaries work and how to write for them.

Push Notifications vs In-App Messages: Key Differences and When to Use Each

Push notifications reach users outside your app; in-app messages engage them inside it. Learn the key differences, when to use each, and how to run push, in-app inbox, email, and SMS from one Courier API.

Email sender requirements: a developer's guide to the Gmail, Yahoo, and Outlook rules

Gmail, Yahoo, and Outlook have converged on one set of sender rules, and they've stopped being polite about enforcement. Here's what every developer sending email needs to have in place, provider by provider, plus where the rest of the market is heading.

Best in-app notification centers in 2026

A developer-focused comparison of the best in-app notification centers in 2026. We cover build vs buy, then compare prebuilt UI components, real-time delivery, platform coverage, channel support, and pricing across Courier Inbox, Novu, MagicBell, Liveblocks, Braze, CleverTap, Airship, OneSignal, and Customer.io.

Top 10 push notification providers in 2026

Comparing Courier, Firebase Cloud Messaging, Apple Push Notification service, Amazon SNS, OneSignal, Expo, Airship, Braze, CleverTap, and Pushwoosh on platform reach, reliability, developer experience, and pricing, each checked against its own documentation.

Is texting patients a HIPAA violation?

The short answer: texting patients is fine until an unsecured text carries protected health information. This post draws the line with side-by-side SMS examples, covers the minimum-necessary rule and when a BAA is required, and shows the template pattern that makes it structurally impossible to leak PHI into a text.