Newsletter founded 2017
Substack
Hosted newsletter platform with social network features.
overview
Substack is closed and opinionated: 10% revenue cut, no API, no custom domains for free, but distribution and recommendations are real. Largely outside the developer toolchain conversation.
deliverability
Reasonable for content-driven newsletters.
best for
Writers who prioritize distribution over flexibility.
pros
- › Distribution via the Substack network
- › No platform fees beyond revenue cut
cons
- › No API, no automation, no custom domain on free
- › Lock-in to platform
Features at a glance
| API | No |
| SMTP | No |
| SDKs | None |
| Webhooks | No |
| Templates | basic |
| React Email | No |
| Batch send | Yes |
| Scheduled send | Yes |
| Suppressions | Yes |
| Multi-tenant | No |
| Inbound parsing | No |
| Event stream | No |
| Idempotency keys | No |
| Dedicated IP | No |