---
title: "Retarus (@retarus)"
description: "Enterprise messaging and document exchange services for businesses."
account: "retarus"
---

# Retarus

Enterprise messaging and document exchange services for businesses.

## APIs

1 public API with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/retarus/feed.md

- [Faxolution for Applications (Fax4A) REST API](https://skmtc.dev/retarus/apis/faxolution-for-applications-fax4a-rest-api.md): Fax: send faxes and retrieve, delete status reports for sent fax jobs