Saaskly

SendGrid

One of the largest and most widely integrated transactional + marketing email platforms, backed by Twilio.

EmailHow we test
3.6
Saaskly score / 5
5th of 9 in Email

SendGrid is a dual-purpose platform (transactional API/SMTP sending alongside marketing campaign tools), which makes it a common default for teams that want one vendor for both, but means transactional deliverability isn't as ring-fenced from marketing sends as it is with a transactional-only provider like Postmark. Extensive integration ecosystem and long market presence pre-dating the Twilio acquisition.

Pros

  • +Huge integration/plugin ecosystem, long-established
  • +One vendor covers both transactional and marketing sending
  • +Sub-user management and dedicated IPs available on Pro

Cons

  • −Hidden-fee-prone: separate API + Marketing subscriptions, per-IP add-on costs, overage charges
  • −Shared-pool deliverability can be diluted by marketing traffic on the same infrastructure tier
  • −Essentials tier excludes dedicated IPs and sub-user management

Pricing

Free

$0/mo · annual commitment

Month-to-month: not published

  • ✓100 emails/day

Essentials

$19.95/mo · annual commitment

Month-to-month: not published

  • ✓50,000 emails/mo

Pro

$89.95/mo · annual commitment

Month-to-month: not published

  • ✓100,000 emails/mo, dedicated IP + sub-users

Specifications

Rating
3.6
Features
Automation Builder✓
Dedicated IP✓
A/B Testing✓
Source IP allow/deny*✓

*Source IP allow/deny listing: whether you can restrict which IP addresses may use your sending credentials (SMTP/API), checked against each vendor’s official documentation, 2026-09-01. SendGrid, Mailgun, SMTP2GO and SparkPost offer a native allowlist (no denylist); Amazon SES has no native switch but achieves both allow and deny shapes through IAM policy conditions. Postmark, Resend and Mailjet document no such control.

Researched and drafted with AI assistance; reviewed and approved by Tim Meredith. How we use AI

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