Transactional owned by Bird founded 2014
SparkPost
High-volume sender with deep analytics.
overview
SparkPost is now part of Bird. It targets enterprise high-volume senders. The signal-and-analytics product is its strongest differentiator. Smaller teams typically find Postmark or Mailgun easier.
deliverability
Strong at scale; deliverability dashboard with engagement and inbox-rate signals.
best for
Enterprise senders pushing millions per month who need analytics depth.
pros
- › Engagement analytics
- › Strong at high volume
- › Sub-accounts
cons
- › No permanent free tier
- › Bird ownership has shifted some focus away from solo developers
Features at a glance
| API | Yes |
| SMTP | Yes |
| SDKs | node, python, go, ruby, php, java |
| Webhooks | Yes |
| Templates | rich |
| React Email | No |
| Batch send | Yes |
| Scheduled send | Yes |
| Suppressions | Yes |
| Multi-tenant | Yes |
| Inbound parsing | Yes |
| Event stream | Yes |
| Idempotency keys | No |
| Dedicated IP | Yes |