Developer Tools

SendGrid Product Plan

Email delivery platform with SMTP relay, marketing campaigns, templates, and delivery analytics.

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Open the editable plan instantly, or carry its requirements into a generated system Architecture.

Transactional email API

SMTP relay

Marketing campaigns

Email templates (drag-and-drop)

Delivery analytics

Webhook events

Suppression management

IP warming

Domain authentication

A/B testing

As a developer, I can send emails via API or SMTP

As a marketer, I can create and send campaigns

As a team, I can track delivery, opens, and clicks

As a developer, I can build templates with drag-and-drop

As an admin, I can manage suppression lists

GoPythonReactPostgreSQLRedisKafkaElasticsearchAWSKubernetes

Category	Requirement	Target
Performance	Delivery	< 3s from API call to inbox for top providers
Scalability	Volume	100B+ emails per month
Availability	Service	99.95%: transactional emails are business-critical
Observability	Analytics	Real-time delivery, bounce, open, click tracking

MVPEmail API

REST APISMTP relayDomain auth (SPF/DKIM)Webhooks

v1.0Marketing

Campaign builderTemplates (drag-and-drop)Contact listsA/B testingAnalytics

v2.0Platform

Email validationDedicated IPsIP warmingSuppression managementExpert services

Emails sent per month: > 100B

Delivery rate: > 97%

Active customers: > 80K

API latency P99: < 300ms

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Open the editable Product Plan first, then carry it into Architecture and Plan & Ship when it is ready.