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Inbox OSS

Industry · SaaS

The email infrastructure SaaS teams trust

From signup confirmation to dunning to monthly digests — one platform handles every email your product sends.

Subuser hierarchy

White-label sub-accounts for your own customers. Isolate quotas and reputation per tenant.

Per-tenant API keys

Scope keys to specific subusers. Audit log per key. Rotate without downtime.

Fast onboarding

Customers add three CNAMEs and authenticate. Walk-through built into our embeddable wizard.

Compliance-ready

SOC 2 Type II, GDPR DPA, HIPAA BAA — all available without renegotiating your contract.

Per-tenant observability

Each subuser sees their own dashboards. You see them all.

Webhook firehose

Stream all events into your data warehouse for unified analytics.

Start sending email in under 5 minutes.

Free plan includes 3,000 emails/month forever. No credit card required.