Connect Unione

1 auth method · updated 2026-10-01

UniOne is an email delivery service offering a versatile Web API and SMTP API for sending transactional and marketing emails.

unione.io ↗

API key

Uses your own credential — Verslay stores it encrypted

Connectable today

1
Sign in to Unione
Open https://unione.io and sign in to the account you want to connect.
2
Create the API key
Generate a new API key from the API or developer settings in your Unione dashboard.
3
Copy it immediately
Unione usually shows the full API key only once, right after you create it. Store it somewhere safe before closing the page.
4
Connect in Verslay
In the Verslay Hub, open Connections, find Unione, and paste the API key into the Region, UniOne API Key field.
5
Verify
The connection flips to Connected. Run any read-only action once to confirm the credential has the right scopes.
6
Rotate safely
When you rotate later: connect the new credential first, confirm it works, then revoke the old one.

What you’ll paste into Verslay

Region

The region-specific subdomain for the UniOne API, such as 'us1' for the USA or 'eu1' for Europe.

required

UniOne API Key

The API key for authenticating requests to the UniOne API.

required · secret

Unione website ↗

Unione connection FAQ

How do I connect Unione to Verslay?

Open Connections in the Verslay Hub, find Unione, and use the API key method. The steps are: Sign in to Unione, Create the API key, Copy it immediately, Connect in Verslay, Verify, Rotate safely.

What do I need before I connect Unione?

You need Region, UniOne API Key from your Unione account. The region-specific subdomain for the UniOne API, such as 'us1' for the USA or 'eu1' for Europe.

Related connection guides

Connect Unione once — every agent can use it

Verslay agents share your connections. Connect Unione in the Hub and every use-case that needs it lights up — no per-agent setup.

Open the Hub →

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