> For the complete documentation index, see [llms.txt](https://docs.encharge.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.encharge.io/transactional-email-api.md).

# Transactional Email API

- [Overview](https://docs.encharge.io/transactional-email-api/overview.md): This supplementary API allows you to send transactional emails via Encharge.
- [Pricing](https://docs.encharge.io/transactional-email-api/overview/pricing.md)
- [Benefits and Features](https://docs.encharge.io/transactional-email-api/features.md): Explore all the nice things that the Encharge Transactional Email API can do for you
- [Technical Overview](https://docs.encharge.io/transactional-email-api/technical-overview.md)
- [Send an email from template](https://docs.encharge.io/transactional-email-api/send-an-email-from-template.md)
- [Send custom HTML email](https://docs.encharge.io/transactional-email-api/send-custom-html-email.md)
- [Send a plain-text email](https://docs.encharge.io/transactional-email-api/send-a-plain-text-email.md)
- [Authentication](https://docs.encharge.io/transactional-email-api/authentication.md)
- [Reference](https://docs.encharge.io/transactional-email-api/reference.md)
- [Sending to unsubscribed contacts](https://docs.encharge.io/transactional-email-api/sending-to-unsubscribed-contacts.md)