Maildeno

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Render templates, manage keys, ship faster.

SDK-First · ESP-Agnostic

One API call. Any format. Any ESP.

Render email templates to HTML, React Email, or MJML. Dynamic merge tags. Context visibility rules. Zero vendor lock-in.

Render to HTML, MJML, or React Emailtarget

Dynamic merge tags — text, url, attrmerge_tags

Context visibility rules — show/hide rowscontext

Scoped API keys per render targetapi_keys

The workflow

Create template→Call SDK→Pass data→Get output