UniOne Email API skill for OpenClaw

What this skill does

Send transactional and marketing emails via UniOne Email API. Manage email templates, validate email addresses, check delivery statistics, manage suppression lists, configure webhooks, and handle domain settings. UniOne delivers billions of emails annually with 99.88% deliverability.

The UniOne Email API skill is part of the Data & APIs category — data and API skills that fetch, query, and work with external data sources. You can install it on its own or alongside other data & apis skills from the OpenClaw catalog.

How to install the UniOne Email API skill

The easiest path is via the OpenClaw Easy desktop app — one click, no terminal required:

1. Download OpenClaw Easy for macOS or Windows (free, one-click installer, ~30 seconds).
2. Open the in-app Skills panel.
3. Search for unione and click Install.
4. The skill activates automatically when an incoming message matches its description.

Install from the command line

If you already run the OpenClaw CLI, add the UniOne Email API skill with a single command:

openclaw skills add unione

This pulls unione from ClawHub and installs it into ~/.openclaw/skills/unione/. Restart the OpenClaw gateway afterwards so the new skill is discovered.

How to use the UniOne Email API skill

Once installed, the UniOne Email API skill activates on its own: when an incoming message on WhatsApp, Telegram, Slack, Discord, Feishu or Line matches the skill's description, your OpenClaw agent loads it and runs the workflow. You can also trigger it explicitly by describing the task in chat. No extra configuration is required after install.

Manual install (advanced)

If you prefer manual installation:

1. Click the Download skill .zip button above to grab unione-1.0.0.zip directly from our S3 mirror.
2. Unzip into ~/.openclaw/skills/unione/ (create the directory if it does not exist).
3. Restart OpenClaw Easy (or the OpenClaw CLI gateway) so the new skill is discovered.

Frequently asked questions

How do I install UniOne Email API?

Install UniOne Email API in the OpenClaw Easy desktop app by opening the Skills panel, searching for unione, and clicking Install. From a terminal you can run: openclaw skills add unione. Either way the skill is placed in ~/.openclaw/skills/unione/.

Is the UniOne Email API skill free?

Yes. It is free to download and run through ClawHub, with no account or payment required. Each skill is published by its own author under its own licence — see its ClawHub page for the licence and source.

What does UniOne Email API do?

Send transactional and marketing emails via UniOne Email API. Manage email templates, validate email addresses, check delivery statistics, manage suppression lists, configure webhooks, and handle domain settings. UniOne delivers billions of emails annually with 99.88% deliverability.

Related: more data & apis skills

If the UniOne Email API skill looks useful, you may also want to check out other data & apis skills in the OpenClaw catalog:

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Skills in this catalog are community-contributed integrations published on ClawHub and distributed under their own open-source licences. Product and company names, and any third-party service a skill connects to, are trademarks of their respective owners; a listing here does not imply affiliation with, sponsorship by, or endorsement from them. This page does not distribute any third-party application. Rights holders can reach us at hello@openclaw-easy.com.

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