Snov.io Email Warm-up API

openapi: 3.0.3
info:
  title: Snov.io Email Warm-up API
  description: Snov.io is a sales automation and lead generation platform. The REST API enables programmatic access to email finding, domain search, email verification, drip campaign management, email warm-up, prospect management, CRM pipeline, and webhook subscriptions. Authentication uses OAuth 2.0 client credentials to obtain short-lived Bearer tokens. All API operations consume credits from the account balance.
  version: '2.0'
  contact:
    name: Snov.io Support
    url: https://snov.io/knowledgebase/
  termsOfService: https://snov.io/terms-of-service/
  license:
    name: Proprietary
    url: https://snov.io/terms-of-service/
servers:
- url: https://api.snov.io
  description: Snov.io API server
tags:
- name: Email Warm-up
  description: Manage email warm-up campaigns for improved deliverability
paths:
  /v2/warm-up:
    get:
      tags:
      - Email Warm-up
      summary: List warm-up campaigns
      description: Returns a paginated list of all email warm-up campaigns.
      operationId: listWarmUpCampaigns
      security:
      - bearerAuth: []
      parameters:
      - name: page
        in: query
        schema:
          type: integer
          default: 1
      - name: per_page
        in: query
        schema:
          type: integer
          enum:
          - 20
          - 50
          - 100
          default: 20
      - name: status
        in: query
        schema:
          type: string
          description: Filter by campaign status
      responses:
        '200':
          description: Paginated list of warm-up campaigns
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/WarmUpCampaign'
                  total:
                    type: integer
                  page:
                    type: integer
                  per_page:
                    type: integer
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      tags:
      - Email Warm-up
      summary: Create warm-up campaign
      description: Create a new email warm-up campaign to improve deliverability scores.
      operationId: createWarmUpCampaign
      security:
      - bearerAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/WarmUpCampaignCreate'
      responses:
        '201':
          description: Warm-up campaign created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WarmUpCampaign'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /v2/warm-up/{id}:
    get:
      tags:
      - Email Warm-up
      summary: Get warm-up campaign
      description: Retrieve full details of a specific warm-up campaign.
      operationId: getWarmUpCampaign
      security:
      - bearerAuth: []
      parameters:
      - $ref: '#/components/parameters/CampaignId'
      responses:
        '200':
          description: Warm-up campaign details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WarmUpCampaign'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      tags:
      - Email Warm-up
      summary: Update warm-up campaign
      description: Update settings of an existing warm-up campaign.
      operationId: updateWarmUpCampaign
      security:
      - bearerAuth: []
      parameters:
      - $ref: '#/components/parameters/CampaignId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/WarmUpCampaignUpdate'
      responses:
        '200':
          description: Warm-up campaign updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WarmUpCampaign'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    Unauthorized:
      description: Unauthorized — missing or invalid Bearer token
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Bad request — missing or invalid parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    WarmUpCampaignUpdate:
      type: object
      properties:
        status:
          type: string
          enum:
          - active
          - paused
          - stopped
        strategy:
          type: string
          enum:
          - progressive
          - steady
        per_day:
          type: integer
        from:
          type: integer
        increase:
          type: integer
        email_content:
          type: string
        reply_rate:
          type: integer
        campaign_deadline:
          type: string
          format: date
        make_endless:
          type: boolean
        providers:
          type: array
          items:
            type: string
        enable_ctd:
          type: boolean
        enable_proxy:
          type: boolean
    WarmUpCampaignCreate:
      type: object
      required:
      - email_account_id
      - per_day
      properties:
        email_account_id:
          type: string
        per_day:
          type: integer
          description: Number of warm-up emails per day
        strategy:
          type: string
          enum:
          - progressive
          - steady
          default: progressive
        from:
          type: integer
          description: Starting daily count for progressive strategy
        increase:
          type: integer
          description: Daily increase amount for progressive strategy
        email_content:
          type: string
          enum:
          - default
          - custom
        subject:
          type: string
        body:
          type: string
        reply_rate:
          type: integer
          description: Percentage of warm-up emails to reply to (0-100)
        campaign_deadline:
          type: string
          format: date
        providers:
          type: array
          items:
            type: string
        send_to_paid_domain:
          type: boolean
        enable_ctd:
          type: boolean
        enable_proxy:
          type: boolean
        schedule_id:
          type: integer
        template_name:
          type: string
    Error:
      type: object
      properties:
        error:
          type: string
          description: Error code
        message:
          type: string
          description: Human-readable error message
    WarmUpCampaign:
      type: object
      properties:
        id:
          type: integer
        email_account_id:
          type: string
        status:
          type: string
        strategy:
          type: string
          enum:
          - progressive
          - steady
        per_day:
          type: integer
        reply_rate:
          type: integer
        campaign_deadline:
          type: string
          format: date
        deliverability_score:
          type: number
          format: float
  parameters:
    CampaignId:
      name: id
      in: path
      required: true
      schema:
        type: integer
      description: Campaign ID
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Obtain a Bearer token via POST /v1/oauth/access_token using client credentials. Tokens expire after 3600 seconds.