Kit
Creator-focused newsletter platform (formerly ConvertKit).
Kit (formerly ConvertKit) targets creators and newsletter publishers. Tagging-based audience model and visual automations. Decent API for developers but the product is built for non-technical operators.
A SaaS product sends on behalf of its customers, so the deciding factors are tenant isolation, whether suppressions can be scoped rather than global, and whether support can answer why one specific account did not receive one specific email. Lifecycle automation and transactional sending usually need to coexist.
Against trial expiry notices, dunning, onboarding sequences, and per-tenant transactional mail, Kit covers event stream, the suppressions API, scheduling, and webhook coverage, and does not cover multi-tenant support and operating track record. Whether that gap matters depends on how central those are to the build.
- Multi-tenant: No
- Event stream: Yes
- Suppressions API: Yes
- Operating since: 2013
- Scheduling: Yes
- Best published rate per 1,000: Tiers not published in comparable form
- Deliverability: Good for newsletter traffic; reputation tied to broader Kit pool.
- Webhooks: Yes
- Starts at: $15/mo for 1,000 subscribers (Creator)
Good for newsletter traffic; reputation tied to broader Kit pool.
Independent creators and newsletter publishers.
- › Strong creator features (referral programs, tip jars)
- › Generous free tier
- › Limited SDK coverage
- › Not a fit for transactional or product email
Features at a glance
| API | Yes |
| SMTP | No |
| SDKs | node |
| Webhooks | Yes |
| Templates | rich |
| React Email | No |
| Batch send | Yes |
| Scheduled send | Yes |
| Suppressions | Yes |
| Multi-tenant | No |
| Inbound parsing | No |
| Event stream | Yes |
| Idempotency keys | No |
| Dedicated IP | No |