Prerequisites
- An active No2Bounce account with access to Email Validations > Integrations
- A MailerLite account with API access enabled
- A MailerLite API Key \u2014 no separate API URL is required
- Sufficient No2Bounce credit balance to cover the validation batch (1 credit per record)
Step 1: Open the Integrations Dashboard
Navigate to Email Validations > Integrations in the No2Bounce dashboard. Other integrations (monday.com, SendGrid, ActiveCampaign, Moosend) are shown in various connected states. MailerLite is listed with a description and a Connect option.
Integrations dashboard with the MailerLite card and Connect option.
Step 2: Review the Connect MailerLite Overview
Clicking Connect opens an introductory panel outlining what the integration enables: accessing email lists to verify and clean records, synchronizing verified lists back to improve campaign deliverability, monitoring deliverability metrics, integrating No2Bounce results with MailerLite campaigns in real time, and viewing real-time verification stats.
Connect MailerLite overview panel outlining what the integration enables.
Step 3: Enter Your API Key
Like SendGrid, MailerLite authenticates with a single API Key only \u2014 no separate API URL is required.
API Key entry screen for the MailerLite connection.
Your API key is used only to read contacts and write validation results back. It is never shared with third parties.
Step 4: Confirm the Connection and Available Fields
Once connected, the MailerLite Integration page offers a Disconnect option and a full set of importable columns: City, Company, Country, Last Name, Name, Email, Phone, State, and Zip \u2014 a richer field set than the other integrations.
Connected MailerLite Integration page showing the full set of importable fields.
Step 5: Select Columns & Load Your Data
Choose the columns to import \u2014 at minimum, Email. A record count is shown, and clicking Load Data pulls in the matching MailerLite contacts.
Column selection with Email and Name active, and the Load Data button.
Step 6: Preview & Select Records
The loaded preview lists the matching MailerLite contacts, selectable using the Select All / Clear Selection / Custom Select tools and a batch selection helper.
Filtered record preview with Select All, Clear Selection, and Custom Select tools.
Step 7: Set Validation Preferences
The Validation Preferences dialog confirms which column holds the email address, notes the 100,000-record run cap, and shows the credit cost for the selected batch (1 credit per record).
Validation Preferences dialog confirming the email column and credit cost.
Step 8: Monitor Validation Progress
Once started, the run progresses with a live completion percentage. Validation History lists the run as "Verifying... / Progressing" alongside any earlier completed runs, with results updating as each record is classified.
Validation run in progress, with live Deliverable / Risky / Undeliverable tracking.
Step 9: Review Results & Export
Once the run reaches 100% completion, the Deliverable / Risky / Undeliverable breakdown is displayed. Validation History lists each completed MailerLite run, with Export Options available for Export all emails or Export deliverable emails.
Completed validation run with results breakdown and Export Options.
A Download Report option is available for 7 days after each run.
What's Not Yet Included
This release covers connecting, importing, selecting, validating, and exporting. It does not yet write validation results back to MailerLite, support multiple MailerLite groups or segments in a single run, or include scheduled/automated re-validation.
