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Connect Mailboxlayer

1 auth method · updated 2026-10-01

A simple REST-based JSON API for email address validation and verification.

mailboxlayer.com/ ↗

API key

Uses your own credential — Verslay stores it encrypted

Connectable today
  1. 1
    Sign in to Mailboxlayer
    Open https://mailboxlayer.com/ and sign in to the account you want to connect.
  2. 2
    Create the API key
    Generate a new API key from the API or developer settings in your Mailboxlayer dashboard.
  3. 3
    Copy it immediately
    Mailboxlayer usually shows the full API key only once, right after you create it. Store it somewhere safe before closing the page.
  4. 4
    Connect in Verslay
    In the Verslay Hub, open Connections, find Mailboxlayer, and paste the API key into the API Access Key field.
  5. 5
    Verify
    The connection flips to Connected. Run any read-only action once to confirm the credential has the right scopes.
  6. 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

API Access Key

Your personal API Access Key assigned upon signing up, used to authenticate API requests.

required · secret
Mailboxlayer website ↗

Mailboxlayer connection FAQ

How do I connect Mailboxlayer to Verslay?

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

What do I need before I connect Mailboxlayer?

You need API Access Key from your Mailboxlayer account. Your personal API Access Key assigned upon signing up, used to authenticate API requests.

Related connection guides

See also Verslay use cases and agents.

Connect Mailboxlayer once — every agent can use it

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

Open the Hub →
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