Blog
Guides, product updates and engineering notes from the Transactional team.
How to Send a PDF Attachment in a Transactional Email
Learn how to generate a PDF and attach it to a transactional email using Resend or Postmark. Complete webhook handler with code examples.
Kevin · June 9, 2026
How to Generate PDFs in Your AI Coding Agent Workflow
Your AI coding agent can now handle PDF generation end-to-end via MCP.
Kevin · June 4, 2026
HTML to PDF at Scale: What Breaks and How to Fix It
Generating PDFs from HTML works fine at low volume. Here is what breaks at scale.
Kevin · June 3, 2026
How to Generate PDFs from HTML in a Node.js App
From Puppeteer to PDF APIs: a practical guide to generating PDFs from HTML in Node.js.
Kevin · June 2, 2026
How to Generate PDF Receipts After a Stripe Payment
Every payment needs a receipt. Here is how to generate a PDF automatically from a Stripe webhook.
Kevin · June 1, 2026
How to Generate Invoice PDFs with an API
Every SaaS that handles payments needs to generate invoices. And every team that builds invoice generation from scratch regrets it. Here's how to skip the pain and set up a reusable invoice template you can call from any backend.
Kevin · May 31, 2026
Stop Maintaining Your Own PDF Rendering Stack
You shipped a PDF feature. Maybe it was invoices, contracts, or reports. You picked Puppeteer, it worked. That was six months ago. Now you're debugging memory leaks at 2 AM, your Docker image is 1.8 GB, and you just spent a week figuring out why a Thai font renders as boxes in production.
Kevin · May 30, 2026
How to Replace Puppeteer with a PDF API (and Why You Should)
Puppeteer is great for browser automation. It's not great as PDF infrastructure. If you're running headless Chrome in production just to generate invoices or reports, you've probably already felt the pain. Here's how to migrate away from it.
Kevin · May 29, 2026