SendGrid
SendGrid is a transactional and marketing email platform built for reliable delivery at volume.
Updated April 2026

Outbound Sending
Overview: What is SendGrid?
It gives developers APIs to route mail and gives marketers tools to run campaigns. Phi uses it as the delivery backbone in outbound stacks that need strict inbox placement.
Capabilities
Key features.
01
SMTP relay and REST APIs
02
Dedicated IP management
03
Real-time analytics dashboard
04
Domain authentication setup
05
Scalable batch sending
06
List segmentation tools
07
Webhook event tracking
At a glance
Quick facts.
- Stack position
- Outbound Sending
Talk to us: Pick the tool. We run the system around it.
SendGrid is one part of a stack. We build and run the revenue system it plugs into.
Talk to Phi