openapi: 3.1.0
info:
  title: Smartlead Campaign Statistics API
  description: Smartlead is cold email infrastructure for outbound sales and lead generation. The Smartlead REST API exposes campaigns, leads, email accounts, warmup, webhooks, analytics, and client management. Authentication uses an API key passed as the `api_key` query parameter on every request.
  version: '1.0'
  contact:
    name: Smartlead API
    url: https://api.smartlead.ai/reference
servers:
- url: https://server.smartlead.ai/api/v1
  description: Smartlead REST API v1
security:
- ApiKeyQuery: []
tags:
- name: Campaign Statistics
  description: Retrieve campaign performance metrics.
paths:
  /campaigns/{id}/statistics:
    get:
      summary: Get campaign statistics
      description: Retrieve campaign performance metrics.
      operationId: getCampaignStatistics
      tags:
      - Campaign Statistics
      parameters:
      - in: path
        name: id
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Campaign statistics.
          content:
            application/json:
              schema:
                type: object
components:
  securitySchemes:
    ApiKeyQuery:
      type: apiKey
      in: query
      name: api_key
      description: Smartlead API key passed as the `api_key` query parameter on every request.