# Transactional Email API

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