Python Wrapper for Mailerlite API v2.

Getting Started


This client is hosted at PyPi under the name mailerlite-api-python, to install it, simply run

pip install mailerlite-api-python

or install dev version:

git clone
pip install -e .

Method reference

For the complete reference, visit the official MailerLite API reference.



First, Grab YOUR_API_KEY from your Mailerlite account (Profile > Integrations > Developer Api).

>>> from mailerlite import MailerLiteApi
>>> api = MailerLiteApi('YOUR_API_KEY')

A second option is to define an environment variable named MAILERLITE_PYTHON_API_KEY. Then, you do not need to precise it in your code:

>>> from mailerlite import MailerLiteApi
>>> api = MailerLiteApi()


Get all campaigns or a specific one

>>> all_campaigns = api.campaigns.all()
>>> draft = api.compaings.all(status='draft')

Modify a campaign

>>> one_campaign = all_campaigns[0]
>>> html = '<h1>Title</h1><p>Content</p><p><small><a href=\"{$unsubscribe}\">Unsubscribe</a></small></p>'
>>> plain = "Your email client does not support HTML emails. "
>>> plain += "Open newsletter here: {$url}. If you do not want"
>>> plain += " to receive emails from us, click here: {$unsubscribe}"

>>> api.campaigns.update(, html=html, plain=plain)

Create / Delete a campaign

>>> data = {"subject": "Regular campaign subject",
            "name": "Regular campaign name",
            "groups": [2984475, 3237221],
            "type": "regular"}
>>> api.campaign.create(data)
>>> api.campaign.delete(campaign_id=3971635)

count campaign

>>> api.campaign.count()
>>> api.campaign.count(status='draft')


Get all subscribers

>>> api.subscribers.all()
>>> api.subscribers.all(stype='active')
>>> api.subscribers.unsubscribed()
>>> api.subscribers.bounced()
>>> api.subscribers.junk()
>>> api.subscribers.unconfirmed()

Get one subscriber

>>> api.subscribers.get(email='[email protected]')
>>> api.subscribers.get(id=1343965485)
>>>'[email protected]')

subscribers groups

>>> api.subscribers.groups(id=1343965485)

subscribers activity

>>> api.subscribers.activity(id='1343965485')

Create subscriber

>>> data = {'name': 'John',
            'email': '[email protected]',
            'fields': {'company': 'MailerLite'}
>>> api.subscribers.create(data)

Update subscriber

>>> data = {'name': 'John',
            'fields': {'company': 'MailerLite'}
>>> api.subscribers.update(data, id='1343965485')

Count subscribers

Get the total count of all subscribers in a single call.

Please, be aware that this is not a documented feature in the official API.

>>> api.subscribers.count()


Get all Groups

>>> api.groups.all()
>>> api.groups.all(limit=50)
>>> api.groups.all(offset=10)
>>> api.groups.all(gfilters='My Group')
>>> api.groups.all(group_id=12345)

Create a Group

>>> api.groups.create(group_id=12345, name='My New Group')

Rename a Group

>>> api.groups.update(group_id=12345, name='New Name')

Get a Group

>>> api.groups.get(group_id=12345)

Delete a Group

>>> api.groups.delete()
>>> api.groups.delete(group_id=12345)

Get all subscribers in a Group

>>> api.groups.subscribers(group_id=12345)
>>> api.groups.subscribers(group_id=12345, limit=50, offset=1)
>>> api.groups.subscribers(group_id=12345, stype='active')

Get one subscriber from a Group

>>> api.groups.subscriber(group_id=12345, subscriber_id=54321)

Add list of subscribers to a Group

This method calls the import endpoint

>>> api.groups.add_subscribers(group_id=12345, subscribers_data=[{"email": "[email protected]", "name": "John Wick"}], autoresponders=False, resubscribe=False, as_json=False)

subscriber_data argument accepts a list of dictionaries or just one dictionary containing the subscriber name and email

Add a single subscriber to a Group

This method calls the add single subscriber endpoint

>>> api.groups.add_single_subscriber(group_id=12345, subscribers_data={"email": "[email protected]", "name": "John Wick" ...}, autoresponders=False, resubscribe=False, as_json=False)

Unlike the method above, this adds only one subscriber to a group. The subscriber_data argument accepts all subscriber attributes. Check available attributes on

Delete one subscriber from a Group

>>> api.groups.delete_subscriber(group_id=12345, subscriber_id=54321)


Get list of Segments

>>> api.segments.all()

Get count of Segments

>>> api.segments.count()


Get list of Fields

>>> api.fields.all()

Get one Field

>>> api.fields.get(field_id=123456)

Create / update / delete one Field

>>> api.fields.create(title="my custom title")
>>> api.fields.update(field_id=123456, title="my new title 2")
>>> api.fields.delete(field_id=123456)


Get list of Webhooks

>>> api.webhooks.all()

Get one webhook

>>> api.webhooks.get(webhook_id=123456)

Create/update/delete one webhook

>>> api.webhooks.create(url="https://yoursite/script-is-here",
...                     event="subscriber.create")
>>> api.webhooks.update(webhook_id=123456,
...                     url="https://yoursite/script-is-here",
...                     event="subscriber.create")
>>> api.webhooks.delete(webhook_id=123456)


# Get some info or stats
>>> api.account.stats()
>>> api.account.double_optin()
# Set up the double_optin
>>> api.account.set_double_optin(True)


>>> batch_requests = {"requests": [{"method":"GET",
...                                 "path": "/api/v2/groups"
...                                 },
...                                 {"method":"POST",
...                                  "path": "/api/v2/groups",
...                                  "body": {"name": "New group"}
...                                 }
...                                 ]
...                    }
>>> api.batch(batch_requests)


  • Step 1: Install pytest

    pip install pytest
  • Step 2: Run the tests

    pytest -svv mailerlite