Lettermint for SaaS

Yes. Transactional emails such as password resets and notifications, broadcast emails such as product updates and newsletters, and inbound email all run from one account and share the same monthly volume. Transactional and broadcast traffic use separate IP pools.

Create a project per environment. Each project has its own API keys, domains and webhooks. On paid plans, sandbox mode lets you test content, delivery handling and webhooks without sending anything to real recipients.

Yes. With the Team API you add a customer's domain, fetch the DNS records to show in your own app and check the verification status. The number of sending domains depends on your plan: 1 on Free, 5 on Starter, 30 on Growth and unlimited on Pro.

Through webhooks. You receive events such as delivered, bounced, opened and clicked as a POST request, with automatic retries if your endpoint is unreachable. Add tags and metadata to your emails to group them per feature or customer.

The sending endpoints are not throttled. A burst of sign-ups or a nightly digest goes out at full speed. Your plan quota and any spend limit you set still apply.

That their email data stays in the EU. Lettermint runs only on its own infrastructure in the EU, is ISO/IEC 27001:2022 certified and, as a European company, is not subject to the US CLOUD Act. Our data processing agreement and subprocessor list are public.

Yes. Every paid plan includes Single Sign-On over SAML 2.0 or OIDC, with SCIM provisioning and group-to-role mapping, so your team signs in with your own identity provider.

Yes. Early-stage startups can apply for our startup discount . You can also start for free with 300 emails per month, and paid plans start at €10 per month for 10,000 emails.