Overview
To authenticate with Mailboxlayer, you need:- API Access Key — the personal key assigned to your Mailboxlayer account.
Prerequisites
- A Mailboxlayer account. If you don’t have one, sign up for the Free Plan, which includes 100 API requests per month, or log in to your existing account.
Step 1: Copy your API Access Key
- Open your Mailboxlayer dashboard.
- Under Your API Key, click the copy icon to copy your API Access Key.

Step 2: Enter your API Access Key in the Connect UI
- Open the form where you need to authenticate with Mailboxlayer.
- Enter your API Access Key in the API Access Key field.
- Submit the form, and you should be successfully authenticated.
