MailerLite Subscribers API

openapi: 3.1.0
info:
  title: MailerLite Automations Subscribers API
  description: The MailerLite REST API provides endpoints for managing subscribers, groups, segments, fields, campaigns, automations, forms, and webhooks. Authentication uses a Bearer token generated in the dashboard under Integrations > MailerLite API. All requests use JSON; rate-limited to 120 requests per minute per account.
  version: 1.0.0
  contact:
    name: MailerLite
    url: https://developers.mailerlite.com/docs/
servers:
- url: https://connect.mailerlite.com
  description: Production
security:
- BearerAuth: []
tags:
- name: Subscribers
paths:
  /api/subscribers:
    get:
      tags:
      - Subscribers
      summary: List subscribers
      operationId: listSubscribers
      parameters:
      - name: limit
        in: query
        schema:
          type: integer
      - name: cursor
        in: query
        schema:
          type: string
      - name: filter[status]
        in: query
        schema:
          type: string
          enum:
          - active
          - unsubscribed
          - unconfirmed
          - bounced
          - junk
      responses:
        '200':
          description: Subscribers
    post:
      tags:
      - Subscribers
      summary: Create or update a subscriber
      operationId: upsertSubscriber
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - email
              properties:
                email:
                  type: string
                  format: email
                fields:
                  type: object
                groups:
                  type: array
                  items:
                    type: string
                status:
                  type: string
      responses:
        '200':
          description: Subscriber
  /api/subscribers/{subscriber}:
    get:
      tags:
      - Subscribers
      summary: Get subscriber by ID or email
      operationId: getSubscriber
      parameters:
      - name: subscriber
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Subscriber
    put:
      tags:
      - Subscribers
      summary: Update an existing subscriber
      operationId: updateSubscriber
      parameters:
      - name: subscriber
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: Updated
    delete:
      tags:
      - Subscribers
      summary: Delete subscriber
      operationId: deleteSubscriber
      parameters:
      - name: subscriber
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Deleted
  /api/subscribers/{id}/forget:
    post:
      tags:
      - Subscribers
      summary: Forget subscriber (GDPR delete)
      operationId: forgetSubscriber
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Forget request accepted
  /api/subscribers/{id}/activity-log:
    get:
      tags:
      - Subscribers
      summary: Get subscriber activity log
      operationId: getSubscriberActivity
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Activity events
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Bearer token generated under Integrations > MailerLite API in the dashboard.