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Overview

To authenticate with SMTP2GO, you need:
  1. Region — the SMTP2GO API host to connect to.
  2. API Key — an SMTP2GO API key.
This guide will show you how to get them.

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Prerequisites

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Step 1: Choose your region

SMTP2GO has a global API host and one host per region: The API Keys page of the SMTP2GO app shows your API Base URL under Connection information. SMTP2GO recommends a region-specific host where possible, to connect to the region closest to you. See Endpoints for details.

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Step 2: Create an API key

  1. Log in to the SMTP2GO app.
  2. In the left-side menu, go to Sending > API Keys, then click Add API Key.
API Keys page in the SMTP2GO app with the Add API Key button and the API Base URL under Connection information
  1. On the Details tab, copy the generated API key (it starts with api-) and enter a description.
Details tab of the Add API Key page in the SMTP2GO app with the API Key and Description fields
  1. On the Permissions tab, select the endpoints your integration needs, then click Add API Key to save the key.
Permissions tab of the Add API Key page in the SMTP2GO app with endpoint checkboxes and the Add API Key button

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Step 3: Enter your credentials in the Connect UI

  1. Open the form where you need to authenticate with SMTP2GO.
  2. Select your Region and enter your API Key in the designated fields.
  3. Submit the form, and you should be successfully authenticated.
SMTP2GO connection form in the Nango Connect UI You are now connected to SMTP2GO.