🎩What

The Email Platform for AWS Developers.

SENDUNE is a one-stop Email and SMS platform for AWS Developers. SENDUNE integrates with your AWS account and abstracts away all the complexity of sending transactional and marketing messages. What you get is a highly reliable service at a fraction of the cost.

What sets SENDUNE apart is our focus on a minimal set of features combined with an extreme obsession with usability. Our overarching goals are familiarity, longevity, continuity, and dependability. These are our First Principles.

  • Familiarity: SENDUNE has had the same UI/UX since 2018 and you can expect that to continue. Even if you login after a gap of one year your muscle memory will kick in immediately.

  • Longevity: SENDUNE started as our internal tool somewhere around 2014. In a world where startup death is the norm, we have been publicly available since 2018, and - ceteris paribus - will continue to be available well into the next decade.

  • Continuity: Longevity doesn't make sense without feature continuity. Links you bookmarked just one year ago seem to have vanished. On the contrary, our early beta users (from 2017) can still see their campaign statistics data in the same familiar UI. That's what we mean by continuity. If we introduce a feature, we make sure it lives long. No 'planned obsolescence' here.

  • Dependability: Things must just work. The familiar button you click to send an email must work every time. API integrations must be 'set it and forget it'. We achieve this by adopting boring technology and being skeptical about shiny new tech. We're not averse to new tech. We experiment a lot but don't send things to production unless we're sure we can manage it for the long term.


Here's a brief overview of how things work.

When a user signs-up on your web or mobile app, you insert their details (name, email, number, etc.) into SENDUNE. Thereafter any action done by that user can be inserted and tracked in SENDUNE. For example if a user adds 'purple pants' to their wish-list, you attach the tag 'purple pants' to that user. All of this is done using the 'Contacts API'. You can then filter your users using a combination of tags to send targeted messages (Emails, SMS, OTP's).

Messages can be sent manually, programmatically (API), or by using workflow/automation rules. For example you can trigger a workflow as soon as a particular tag is added to a contact.

SENDUNE integrates with your own AWS account to send messages. Why? Because AWS is unbeatable in terms of cost and message reliability.

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