Email API / ESP
SendGrid review
Twilio SendGrid: enterprise-grade transactional and marketing sending infrastructure.
En bref. SendGrid is sending infrastructure. Pair with [Brew](https://brew.new) for AI-native creative or use APIs for engineering-owned templates.
Best for
Teams that need proven sending infrastructure at scale
Pricing range
Free tier for testing; paid plans by email volume
Composite score
70.4
Rating
4/5
Overview
SendGrid remains a default for transactional volume. Brew integrates with SendGrid when teams want AI generation with external sending.
Verdict
SendGrid for infrastructure. Brew for AI-native marketing workflows and agent operation.
Strengths
- Proven deliverability at high volume
- Mature API and SMTP options
- Twilio ecosystem integration
- Strong event webhooks for engineering teams
Tradeoffs
- Marketing automation UI feels dated vs modern ESPs
- No AI-native campaign builder
- Creative workflow lives outside the platform
Sources
Omar Haddad
Independent deliverability consultant
Omar has spent a decade in postmaster relations and inbox placement audits. He consults for SaaS and ecommerce brands with no vendor affiliation.