MailBluster
MailBluster is an affordable email marketing platform for managing large subscriber lists. Advanced Form Integration creates leads in MailBluster from WordPress form submissions.
What you’ll need
- An active MailBluster account.
- Your MailBluster API credentials (see below).
- The Advanced Form Integration plugin installed and activated.
Get your MailBluster API key
- Sign in to your MailBluster account.
- Go to Settings → API and copy your API Key.
- In WordPress, go to AFI → Settings → MailBluster.
- Click Add Account, paste the API Key, and give the account a name.
- Click Save.
Create the integration
- Go to AFI → Add New.
- Give the integration a name, for example
Form to MailBluster. - Under Trigger, pick the form plugin and the specific form.
- Under Action → Platform, select MailBluster.
- In Task, choose Create New Lead.
- Pick the saved account.
- Map your form fields onto the fields listed below.
- Optional: open Conditional Logic to limit which submissions are sent.
- Click Save Integration.

Tasks supported
Create New Lead
Creates a new lead in MailBluster. The email field is used as the unique identifier for deduplication.
| Field | Field key | Required | Notes |
|---|---|---|---|
email |
Yes | Used for deduplication | |
| First Name | firstName |
No | |
| Last Name | lastName |
No | |
| Phone | phone |
No | |
| Company | company |
No | |
| Job Title | jobTitle |
No | |
| Country | country |
No | |
| City | city |
No |
Pro features
The Pro integration extends the free version with additional capabilities. Pro uses the same MailBluster connection.
Feature comparison
| Feature | Free | Pro |
|---|---|---|
| Create lead | ✅ | ✅ |
| Standard fields | ✅ | ✅ |
| Custom fields | No | ✅ |
Conditional logic example
Only send data to MailBluster when specific conditions are met. For example, add a condition on a form field to control which submissions are forwarded.
Troubleshooting
Nothing arrives in MailBluster
Open AFI → Log and find the most recent entry. AFI stores the request URL, body, and raw response.
API credentials rejected
Verify your credentials in your MailBluster account settings. If they were regenerated, update them in AFI → Settings → MailBluster.