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About

Transactional email, built like a serious product.

Sendaro is the control plane for verifying a domain, creating an API key, and sending email.

What we believe

  • Tenant isolation is enforced server-side on every org-scoped resource.
  • Email is never sent from HTTP request handlers — always durable jobs.
  • Credits are an immutable ledger. No silent balance mutations.
  • No fake metrics, logos, certifications, or dead buttons.

How we build

The product ships as vertical slices: schema, API, authz, workers, UI with empty/loading/error states, and tests. Marketing reads plan configuration from the database. Providers hide behind interfaces so mocks stay first-class in development.

Brand-wise we aim for technical, clean, and confident — strong type, subtle borders, light and intentional dark modes. Not purple-gradient slideware.

Talk with the team

Security reviews, enterprise limits, or partnership questions — send a note.

Contact us