Building what's next (Interview) from The Changelog: Software Development, Open Source

The Changelog: Software Development, Open Source

Changelog Media

Episodes

About

Reviews

Promote

Building what's next (Interview)

2 hour Posted Oct 22, 2026 at 4:00 pm.

Welcome back!

Sponsor: WorkOS

Zeno Rocha is back!

Why email? Lessons from boring businesses.

Stripe as inspiration: Email for developers.

Innovation tokens and Resend's architecture

Rewriting the sending pipe in Go

Three million users and the official CLI

Receiving email and building inbound

Sponsor: Buildkite

Identity, adjacency, and staying in lane

Twilio, multichannel, and becoming a utility

Who counts as a developer now

Defending the free tier against abuse

Pricing, positioning, and the pricing page

Making pricing readable for agents

What agent experience really requires

Sponsor: Coder.com

AX = Agent Experience

Building a CLI for humans and agents

Build versus buy for auth

Trusted agents and paid sign-ups

AI adoption and shifting bottlenecks

Challenging how you work and hiring

Dracula theme and developer joy

Closing thoughts and stuff

0:00

2:00:21

Download MP3

Share at current time

Show notes

This week I'm talking with Zeno Rocha, CEO of Resend, about scaling "boring" email to 3 million users, the secret Go rewrite behind it, and building for agents. We cover pricing.md, MCP, spam gangs, and why Resend keeps what's next for email.

← See all 1018 episodes of The Changelog: Software Development, Open Source