
Test Courier emails end to end with your AI agent
Give your coding agent an AgentMail inbox, and it can test your Courier emails the way a user would: send the change, check what arrives, review how it renders, and fix what it finds before the change reaches Production.

Let your agent check every email before it ships
Courier Device Preview gives your coding agent real screenshots from Outlook, Gmail, and Apple Mail. Here's the prompt and workflow to have it check every email, fix the draft, and check again before you publish.

WhatsApp Business messages: types, templates, and rules
Every WhatsApp Business message is a template or a free-form message, and the type decides when you can send it and what it can look like. How businesses use each one, the template categories, the formats worth knowing, and the rules that stop messages from arriving.

WhatsApp pricing changes on October 1, 2026
On October 1, 2026, two things become billable on the WhatsApp Business Platform: free-form replies inside the 24-hour customer service window, and utility templates sent in response to a customer. If your WhatsApp volume is conversations rather than campaigns, this is not a rate tweak. It adds a line to your invoice where there used to be a zero. Here is what changes, a worked example of the cost, and what to check.

React Native solved a problem nobody had. Use Flutter.
Shopify moved back to Swift and Kotlin because coding agents made two codebases affordable. That kills React Native's reason to exist. It does not touch Flutter's, and the canvas is why.

How to get your logo in Gmail and Apple Mail
BIMI puts your logo next to your emails in Gmail and Apple Mail, but there is no upload form. It is earned by locking your domain down. Here is the whole project: what it costs, how long it takes, and the five ways it fails silently.

Clinical alert and notification systems: how escalation works
A clinical alert is easy to send and hard to close. This is how alerting works inside a hospital: where alerts come from, how routing by role and shift works, and how the acknowledge, timeout, escalate loop is actually built, including what happens when nobody answers.

HIPAA-compliant notifications: where PHI should live
A practical guide to HIPAA-compliant notifications across SMS, push, email, and an in-app inbox. One rule, applied to every channel and every place PHI gets stored, including the systems most teams forget are in scope.

How to send Slack notifications from your app
Slack is where your customers already work, which makes it a product surface rather than only an internal alerting channel. Posting an approval request or a status change into a customer's own Slack means working in workspaces you don't own, addressing people by email rather than Slack ID, and holding a separate credential for every customer.