There are several ways to add subscribers to your Sender account. Choose the method that works best for you.

Import Methods

1. Import from a File

Upload contacts from your computer using CSV, TXT, or MS Excel (.xlsx) files.

• Drag and drop your file or click “Import file”
• Maximum file size: 64MB
• The first row should contain column headers (Email address, First name, Last name, etc.)
• Each subscriber must be on a separate row

Download templates: Excel template or CSV template for the correct format.

2. Copy/Paste Subscriber List

Manually paste your contact list directly into Sender.

• Each subscriber must be on a new line
• Separate fields with commas
• Format: Email address, First name, Last name, Custom field

Example: [email protected], John, Doe, +1 234-567-8910

3. Import from Mailchimp

Transfer your subscribers from Mailchimp using your API key.

• Go to your Mailchimp profile (bottom left corner)
• Click “Extras” → “API keys”
• Create a new API key if needed
• Copy and paste the key into Sender
• Click “Get lists”

4. Import from GetResponse

Migrate contacts from GetResponse using their API.

• Click on the menu in GetResponse
• Select “Integrations and API”
• Click on the “API” tab
• Click “Generate API key” and copy it
• Paste the key into Sender
• Click “Start import”

5. Using the API

For developers, you can add subscribers programmatically using our API.

Visit api.sender.net and navigate to Subscribers → Create new subscriber for complete documentation and code examples.

That’s it!

If you got stuck on a specific task or can’t find a way to execute a particular job, contact our support team via LiveChat or [email protected] – we’re here to help 24/7.