Letterhead
5.4#29 in newsletter platformsWebAPI
VisitLetterhead vs listmonk
What both publish
| Fact | Letterhead | listmonk |
|---|---|---|
| Analytics | Its intelligence tools report content performance and audience engagement and provide recommendations based on billions of sends. | Built-in analytics cover campaign performance, bounces, and top links. |
| API | The platform offers a versioned REST API, webhooks, Zapier, and per-tenant MCP servers. | All dashboard features are available through REST-like HTTP APIs using JSON, with BasicAuth or authorization tokens. |
| Integrations | The integrations page lists 30+ products, including Mailchimp, Iterable, Braze, HubSpot, WordPress, Shopify, and Google Ad Manager. | Messenger web services can receive campaign messages as JSON for delivery through services such as SMS or FCM. |
| Product | Letterhead offers Studio, a newsletter layer for existing ESPs, and Suite, a unified email operating platform. | listmonk is a self-hosted newsletter and mailing list manager for one-way mailing lists. |
| Sending | Suite supports newsletter and transactional delivery, dedicated IP pools, migration and warmup, and deliverability reporting and repair. | The software provides multithreaded email queues across multiple SMTP connections, with throughput and sliding-window rate limits. |
Letterhead plans
- Letterhead StudioPriced on request
- Letterhead SuitePriced on request
listmonk plans
- Self-hostedFree
- Self-hosted listmonkFree
Pick Letterhead if…
Studio suits newsletter teams that want production and revenue tools while continuing to send through an existing ESP or CRM. Suite is positioned for companies managing many newsletters and audiences that want to grow and convert that audience.
Pick listmonk if…
It suits organizations that want to host and operate their own newsletter or one-way mailing list system. It is also relevant for teams needing API access, segmented lists, or transactional messaging through supported channels.