Subscribers

You can add or update subscribers in your mailing list.

List all subscribers

If you want to list all of your subscribers, send this GET request

GET https://connect.mailerlite.com/api/subscribers

Request parameters

Parameter	Type	Required	Limitations
filter[status]	string	no	Must be one of the possible statuses: active, unsubscribed, unconfirmed, bounced or junk.
limit	integer	no	Defaults to 25
cursor	string	no	Defaults to first page. Cursor value available in response body

Response

{
  "data": [
    {
      "id": "31986843064993537",
      "email": "dummy@example.com",
      "status": "active",
      "source": "api",
      "sent": 0,
      "opens_count": 0,
      "clicks_count": 0,
      "open_rate": 0,
      "click_rate": 0,
      "ip_address": null,
      "subscribed_at": "2021-09-01 14:03:50",
      "unsubscribed_at": null,
      "created_at": "2021-09-01 14:03:50",
      "updated_at": "2021-09-01 14:03:50",
      "fields": {
        "city": null,
        "company": null,
        "country": null,
        "last_name": "Testerson",
        "name": "Dummy",
        "phone": null,
        "state": null,
        "z_i_p": null
      },
      "groups": [],
      "opted_in_at": null,
      "optin_ip": null
    }
  ],
  "links": {
     "first": null,
     "last": null,
     "prev": "https://connect.mailerlite.com/api/subscribers?cursor=eyJpZCI6NzI1ODIxNjQ2NDU5Mzg1NTksIl9wb2ludHNUb05leHRJdGVtcyI6ZmFsc2V9",
     "next": "https://connect.mailerlite.com/api/subscribers?cursor=eyJpZCI6NzI1ODIxNjQ2NDY5ODcxMzYsIl9wb2ludHNUb05leHRJdGVtcyI6dHJ1ZX0"
  },
  "meta": {
      "path": "https://connect.mailerlite.com/api/subscribers",
      "per_page": 25,
      "next_cursor": "eyJpZCI6NzI1ODIxNjQ2NDY5ODcxMzYsIl9wb2ludHNUb05leHRJdGVtcyI6dHJ1ZX0",
      "prev_cursor": "eyJpZCI6NzI1ODIxNjQ2NDU5Mzg1NTksIl9wb2ludHNUb05leHRJdGVtcyI6ZmFsc2V9"
  }
}

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Create/upsert subscriber

If you want to create or update a subscriber, send this POST request

POST https://connect.mailerlite.com/api/subscribers

If a subscriber already exists, it will be updated with new values. This is non-destructive operation, so omitting fields or groups will not remove them from subscriber.

Request

Parameter	Type	Required	Limitations
email	string	yes	Valid email address as per RFC 2821
fields	object	no	Object keys must correspond to default or custom field name. Values can only be added this way and will not be removed by omission.
groups	array	no	array must contain existing group ids. Subscriber can only be added to groups this way and will not be removed by omission
status	string	no	Can be one of the following: active, unsubscribed, unconfirmed, bounced, junk
subscribed_at	string	no	Must be a valid date in the format `yyyy-MM-dd HH:mm:ss`
ip_address	string	no	Must be a valid ip address
opted_in_at	string	no	Must be a valid date in the format `yyyy-MM-dd HH:mm:ss`
optin_ip	string	no	Must be a valid ip address
unsubscribed_at	string	no	Must be a valid date in the format `yyyy-MM-dd HH:mm:ss`

{
    "email": "dummy@example.com",
    "fields": {
      "name": "Dummy",
      "last_name": "Testerson"
    },
    "groups": [
        "4243829086487936",
        "14133878422767533",
        "31985378335392975"
    ]
}

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Response

If the subscriber was created:

Response Code: 201 Created

If the subscriber with specified email was already in the mailing list:

Response Code: 200 OK

{
  "data": {
    "id": "31897397363737859",
    "email": "dummy@example.com",
    "status": "active",
    "source": "api",
    "sent": 0,
    "opens_count": 0,
    "clicks_count": 0,
    "open_rate": 0,
    "click_rate": 0,
    "ip_address": null,
    "subscribed_at": "2021-08-31 14:22:08",
    "unsubscribed_at": null,
    "created_at": "2021-08-31 14:22:08",
    "updated_at": "2021-08-31 14:22:08",
    "fields": {
      "city": null,
      "company": null,
      "country": null,
      "last_name": "Testerson",
      "name": "Dummy",
      "phone": null,
      "state": null,
      "z_i_p": null
    },
    "groups": [],
    "opted_in_at": null,
    "optin_ip": null
  }
}

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Error

Response Code: 422 Unprocessable Entity

{
  "message": "The given data was invalid.",
  "errors": {
    "email": ["The email must be a valid email address."]
  }
}

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Update a subscriber

If you want to update a single subscriber, send this PUT request:

PUT https://connect.mailerlite.com/api/subscribers/(:id)

If a subscriber already exists, it will be updated.

Request

Parameter	Type	Required	Limitations
fields	object	no	Object keys must correspond to default or custom field name. Values can only be added this way and will not be removed by omission.
groups	array	no	array must contain existing group ids. Subscriber can only be added to groups this way and will not be removed by omission
status	string	no	Can be one of the following: active, unsubscribed, unconfirmed, bounced, junk
subscribed_at	string	no	Must be a valid date in the format `yyyy-MM-dd HH:mm:ss`
ip_address	string	no	Must be a valid ip address
opted_in_at	string	no	Must be a valid date in the format `yyyy-MM-dd HH:mm:ss`
optin_ip	string	no	Must be a valid ip address
unsubscribed_at	string	no	Must be a valid date in the format `yyyy-MM-dd HH:mm:ss`

{
    "fields": {
      "name": "Dummy",
      "last_name": null
    },
    "groups": [
        "4243829086487936",
        "14133878422767533",
        "31985378335392975"
    ]
}

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Response

Response Code: 200 OK

{
  "data": {
    "id": "31897397363737859",
    "email": "dummy@example.com",
    "status": "active",
    "source": "api",
    "sent": 0,
    "opens_count": 0,
    "clicks_count": 0,
    "open_rate": 0,
    "click_rate": 0,
    "ip_address": null,
    "subscribed_at": "2021-08-31 14:22:08",
    "unsubscribed_at": null,
    "created_at": "2021-08-31 14:22:08",
    "updated_at": "2021-08-31 14:22:08",
    "fields": {
      "city": null,
      "company": null,
      "country": null,
      "last_name": null,
      "name": "Dummy",
      "phone": null,
      "state": null,
      "z_i_p": null
    },
    "groups": [],
    "opted_in_at": null,
    "optin_ip": null
  }
}

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Error

Response Code: 422 Unprocessable Entity

{
  "message": "The given data was invalid.",
  "errors": {
    "email": ["The email must be a valid email address."]
  }
}

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Fetch a subscriber

If you want to fetch a subscriber, send this GET request

GET https://connect.mailerlite.com/api/subscribers/(:id or :email)

Request

Parameter	Type	Required	Limitations
email	string	no	Must provide either valid subscriber id or email
id	string	no	Must provide either valid subscriber id or email

GET https://connect.mailerlite.com/api/subscribers/31986843064993537
GET https://connect.mailerlite.com/api/subscribers/dummy@example.com

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Response

If subscriber exists:

Response Code: 200 OK

{
  "data": {
    "id": "31986843064993537",
    "email": "dummy@example.com",
    "status": "active",
    "source": "api",
    "sent": 0,
    "opens_count": 0,
    "clicks_count": 0,
    "open_rate": 0,
    "click_rate": 0,
    "ip_address": null,
    "subscribed_at": "2021-09-01 14:03:50",
    "unsubscribed_at": null,
    "created_at": "2021-09-01 14:03:50",
    "updated_at": "2021-09-01 14:03:50",
    "fields": {
      "city": null,
      "company": null,
      "country": null,
      "last_name": "Testerson",
      "name": "Dummy",
      "phone": null,
      "state": null,
      "z_i_p": null
    },
    "groups": [],
    "opted_in_at": null,
    "optin_ip": null
  }
}

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Error

If the subscriber cannot be found:

Response Code: 404 Not Found

Fetch total subscribers count

GET https://connect.mailerlite.com/api/subscribers?limit=0

Request

Parameter	Type	Required	Limitations
limit	integer	yes	Value must be 0

Response

Response Code: 200 OK

{
  "total": 100
}

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Delete a subscriber

If you want to delete a subscriber, send this DELETE request

   DELETE https://connect.mailerlite.com/api/subscribers/:id

Request

Parameter	Type	Required	Limitations
id	string	yes	Valid subscriber id for the account

Response

Response code: 204 No Content

Error

Response code: 404 Not Found

Get single import

If you want to get a single import report, send this GET request

GET https://connect.mailerlite.com/api/subscribers/import/{import_id}

Response

Response Code: 200 OK

{
  "data": {
    "id": "47366063630845932",
    "total": 3,
    "processed": 3,
    "imported": 0,
    "updated": 0,
    "errored": 3,
    "percent": 100,
    "done": true,
    "file_path": "",
    "invalid": [],
    "invalid_count": 0,
    "mistyped": [],
    "mistyped_count": 0,
    "changed": [],
    "changed_count": 0,
    "unchanged": [
      {
        "id": "47366064023013357",
        "email": "dummy_one@import.com"
      },
      {
        "id": "47366064023013358",
        "email": "dummy_two+two@import.com"
      },
      {
        "id": "47366064023013359",
        "email": "dummy_three@new.com"
      }
    ],
    "unchanged_count": 3,
    "unsubscribed": [],
    "unsubscribed_count": 0,
    "role_based": [],
    "role_based_count": 0,
    "banned_import_emails_count": 0,
    "match_route": "",
    "source_label": "",
    "updated_at": "2022-02-18T08:09:58.000000Z",
    "undone_at": null,
    "stopped_at": null,
    "undo_started_at": null,
    "finished_at": "2022-02-18T08:09:58.000000Z"
  }
}

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# Subscribers

# List all subscribers

# Request parameters

# Response

# Create/upsert subscriber

# Request

# Response

# Error

# Update a subscriber

# Request

# Response

# Error

# Fetch a subscriber

# Request

# Response

# Error

# Fetch total subscribers count

# Request

# Response

# Delete a subscriber

# Request

# Response

# Error

# Get single import

# Response

Subscribers

List all subscribers

Request parameters

Response

Create/upsert subscriber

Request

Response

Error

Update a subscriber

Request

Response

Error

Fetch a subscriber

Request

Response

Error

Fetch total subscribers count

Request

Response

Delete a subscriber

Request

Response

Error

Get single import

Response