Usage Warning Email Template
A production-ready usage warning email template with best practices for deliverability and user engagement.
When to use this template
The usage warning email template is used when your application needs to send a usage warning notification to users. This is a transactional email triggered by a specific user action or system event. It should be sent immediately when triggered, contain only relevant information, and include a clear call-to-action. Keep the design clean and focused — transactional emails perform best when they're concise and action-oriented.
Best practices
For usage warning emails: use a clear, descriptive subject line that tells the recipient exactly what the email is about. Include your brand name and logo for recognition. Keep the body focused on the essential information — don't add promotional content to transactional emails. Include a prominent call-to-action button if the email requires user action. Provide a plain text fallback for accessibility. Use responsive design that works on mobile devices. Include your company information in the footer for CAN-SPAM compliance.
Sending with AISend
Send this template through AISend's API by passing the rendered HTML in the html field of your API request. AISend's AI will automatically optimize delivery — selecting the best email provider for each recipient, scoring the content for deliverability, and timing the send for maximum engagement. Use webhooks to track whether the email was delivered, opened, and clicked. AISend's free tier includes 1,000 emails per month with all AI features.