# Nautilus

## Docs

- [For AI agents](https://docs.nautilus.co/api-reference/agent-prompt.md): Copy-paste instructions for AI agents integrating with the Nautilus API
- [Send email](https://docs.nautilus.co/api-reference/endpoint/send-email.md): Send an email to one or more recipients. Each recipient is processed independently in parallel.
- [Send SMS](https://docs.nautilus.co/api-reference/endpoint/send-message.md): Send an SMS message to one or more recipients. Each recipient's phone number is validated and formatted to E.164 before sending. When sending to multiple recipients, the message is dispatched in parallel and individual results are returned for each recipient.
- [Introduction](https://docs.nautilus.co/api-reference/introduction.md): Nautilus external API reference
- [MCP server](https://docs.nautilus.co/api-reference/mcp.md): Connect AI applications to Nautilus documentation via MCP

## OpenAPI Specs

- [openapi](https://docs.nautilus.co/api-reference/openapi.json)

## Optional

- [App](https://app.nautilus.co)