mailtrap · Rabsztok · Jul 30, 2026 · Jul 31, 2026 · Aug 10, 2026 · Aug 13, 2026
diff --git a/README.md b/README.md
@@ -198,6 +198,10 @@ Contact management:
 
 - Contacts CRUD & Listing – [`contacts_api.rb`](examples/contacts_api.rb)
 
+Email marketing:
+
+- Email Campaigns CRUD, Lifecycle Actions & Stats – [`email_campaigns_api.rb`](examples/email_campaigns_api.rb)
+
 General:
 
 - Accounts API – [`accounts_api.rb`](examples/accounts_api.rb)

diff --git a/examples/email_campaigns_api.rb b/examples/email_campaigns_api.rb
@@ -0,0 +1,86 @@
+require 'mailtrap'
+
+client = Mailtrap::Client.new(api_key: 'your-api-key')
+email_campaigns = Mailtrap::EmailCampaignsAPI.new(client)
+
+# Create a new Email Campaign (always created in the draft state)
+email_campaign = email_campaigns.create(
+  name: 'Spring Sale',
+  domain_id: 4321,
+  from_display_name: 'Acme Marketing',
+  from_local_part: 'news',
+  reply_to: {
+    display_name: 'Acme Support',
+    local_part: 'support',
+    domain: 'acme.com'
+  },
+  template_attributes: { subject: 'Spring is here — 30% off' }
+)
+# => #<struct Mailtrap::EmailCampaign id=4567, name="Spring Sale", current_state="draft", ...>
+
+# Get all Email Campaigns (paginated, newest first; filter by name)
+list = email_campaigns.list(per_page: 50, search: 'Spring')
+# => #<struct Mailtrap::EmailCampaignsListResponse data=[#<struct Mailtrap::EmailCampaign ...>], pagination={...}>
+list.data
+# => [#<struct Mailtrap::EmailCampaign id=4567, name="Spring Sale", ...>]
+list.pagination
+# => {:token=>1, :prev_token=>nil, :next_token=>2, ...}
+
+# Get a single Email Campaign
+email_campaign = email_campaigns.get(email_campaign.id)
+# => #<struct Mailtrap::EmailCampaign id=4567, name="Spring Sale", ...>
+
+# Update a draft Email Campaign (partial; add the design and the audience)
+email_campaigns.update(
+  email_campaign.id,
+  name: 'Spring Sale (updated)',
+  template_attributes: {
+    subject: 'New subject',
+    body_html: '<html><body><h1>Hi {{first_name}}!</h1>' \
+               '<p><a href="__unsubscribe_url__">Unsubscribe</a></p></body></html>',
+    merge_tags: ['first_name']
+  },
+  delivery_mode: 'gradual',
+  delivery_options: { emails_per_hour: 1000 },
+  contact_list_ids: [55, 56],
+  contact_segment_ids: [12]
+)
+# => #<struct Mailtrap::EmailCampaign id=4567, name="Spring Sale (updated)", ...>
+
+# Schedule the draft Email Campaign to start sending at a future time
+schedule_at = (Time.now.utc + 86_400).strftime('%Y-%m-%dT%H:%M:%S.000Z')
+email_campaigns.schedule(email_campaign.id, schedule_at)
+# => #<struct Mailtrap::EmailCampaign id=4567, current_state="scheduled", ...>
+
+# Cancel the scheduled Email Campaign (returns it to the draft state)
+email_campaigns.cancel(email_campaign.id)
+# => #<struct Mailtrap::EmailCampaign id=4567, current_state="draft", ...>
+
+# Reset a scheduled Email Campaign back to draft (like cancel, only a scheduled
+# campaign can be reset)
+email_campaigns.schedule(email_campaign.id, schedule_at)
+email_campaigns.reset(email_campaign.id)
+# => #<struct Mailtrap::EmailCampaign id=4567, current_state="draft", ...>
+
+# Start sending the draft Email Campaign immediately
+email_campaigns.start(email_campaign.id)
+# => #<struct Mailtrap::EmailCampaign id=4567, current_state="started", ...>
+
+# Terminate a sending Email Campaign
+email_campaigns.terminate(email_campaign.id)
+# => #<struct Mailtrap::EmailCampaign id=4567, current_state="terminating", ...>
+
+# Get Email Campaign statistics (pass start_date/end_date to narrow the aggregation window)
+email_campaigns.stats(email_campaign.id)
+# => #<struct Mailtrap::EmailCampaignStats delivery_count=1450, open_count=820, delivery_rate=0.9667, ...>
+
+# Delete an Email Campaign (returns nil). Only a campaign in the draft state can be
+# deleted, and a started campaign never returns to draft — so delete a fresh draft.
+throwaway = email_campaigns.create(
+  name: 'Draft to delete',
+  domain_id: 4321,
+  from_local_part: 'news',
+  template_attributes: { subject: 'Draft to delete' }
+)
+email_campaigns.delete(throwaway.id)
+# => nil
diff --git a/lib/mailtrap.rb b/lib/mailtrap.rb
@@ -18,6 +18,7 @@
 require_relative 'mailtrap/contact_exports_api'
 require_relative 'mailtrap/contact_events_api'
 require_relative 'mailtrap/suppressions_api'
+require_relative 'mailtrap/email_campaigns_api'
 require_relative 'mailtrap/sending_domains_api'
 require_relative 'mailtrap/company_info_api'
 require_relative 'mailtrap/email_logs_api'

diff --git a/lib/mailtrap/email_campaign.rb b/lib/mailtrap/email_campaign.rb
@@ -0,0 +1,98 @@
+# frozen_string_literal: true
+
+module Mailtrap
+  # Data Transfer Object for Email Campaign Stats
+  #
+  # Aggregated campaign performance metrics. All counts and rates are +0+ when the
+  # campaign has not been started.
+  # @see https://api-docs.mailtrap.io/docs/mailtrap-api-docs/email-campaigns
+  # @attr_reader delivery_count [Integer] Number of delivered messages
+  # @attr_reader open_count [Integer] Number of opened messages
+  # @attr_reader click_count [Integer] Number of clicked messages
+  # @attr_reader bounce_count [Integer] Number of bounced messages
+  # @attr_reader unsubscription_count [Integer] Number of unsubscriptions
+  # @attr_reader sent_count [Integer] Number of sent messages
+  # @attr_reader spam_count [Integer] Number of spam complaints
+  # @attr_reader delivery_rate [Float] Share of sent messages that were delivered (0–1)
+  # @attr_reader open_rate [Float] Share of delivered messages that were opened (0–1)
+  # @attr_reader click_rate [Float] Share of delivered messages that were clicked (0–1)
+  # @attr_reader bounce_rate [Float] Share of sent messages that bounced (0–1)
+  # @attr_reader spam_rate [Float] Share of sent messages marked as spam (0–1)
+  # @attr_reader unsubscription_rate [Float] Share of delivered messages that unsubscribed (0–1)
+  EmailCampaignStats = Struct.new(
+    :delivery_count,
+    :open_count,
+    :click_count,
+    :bounce_count,
+    :unsubscription_count,
+    :sent_count,
+    :spam_count,
+    :delivery_rate,
+    :open_rate,
+    :click_rate,
+    :bounce_rate,
+    :spam_rate,
+    :unsubscription_rate,
+    keyword_init: true
+  )
+
+  # Data Transfer Object for Email Campaign
+  # @see https://api-docs.mailtrap.io/docs/mailtrap-api-docs/email-campaigns
+  # @attr_reader id [Integer] The email campaign ID
+  # @attr_reader domain_id [Integer] ID of the sending domain used for the campaign,
+  #   as returned by the Sending Domains endpoints
+  # @attr_reader domain_name [String] Name of the sending domain used for the campaign
+  # @attr_reader name [String] Campaign name
+  # @attr_reader from_local_part [String] Local part (before the @) of the From address
+  # @attr_reader from_display_name [String] Display name shown in the From header
+  # @attr_reader reply_to [Hash, nil] Reply-To address parts (+display_name+, +local_part+, +domain+)
+  # @attr_reader current_state [String] Lifecycle state (+draft+, +scheduled+, +started+, +queued+,
+  #   +paused+, +terminating+, +under_review+, +finished+, +failed+, +failed_immediately+)
+  # @attr_reader current_state_metadata [Hash, nil] Metadata about the most recent state transition
+  #   (+reason+, +error+, +errors+ as an array of +{message, rcpt_index}+ objects, +scheduled_at+)
+  # @attr_reader created_at [String] The creation timestamp
+  # @attr_reader updated_at [String] The last update timestamp
+  # @attr_reader last_started_at [String, nil] When the campaign was last started, or +nil+
+  # @attr_reader last_started_at_date [String, nil] Date the campaign was last started, present only when started
+  # @attr_reader recipient_total_count [Integer, nil] Total number of recipients,
+  #   or +nil+ until the audience is resolved
+  # @attr_reader contact_list_ids [Array<Integer>] IDs of the contact lists included in the campaign's audience
+  # @attr_reader contact_segment_ids [Array<Integer>] IDs of the contact segments included in the campaign's audience
+  # @attr_reader delivery_mode [String] How the campaign is delivered (+rapid+ or +gradual+)
+  # @attr_reader delivery_options [Hash, nil] Delivery throttling options (+emails_per_hour+)
+  # @attr_reader template [Hash, nil] The campaign template (+id+, +subject+, +merge_tags+,
+  #   +body_html+, +body_text+; bodies are omitted on list responses)
+  EmailCampaign = Struct.new(
+    :id,
+    :domain_id,
+    :domain_name,
+    :name,
+    :from_local_part,
+    :from_display_name,
+    :reply_to,
+    :current_state,
+    :current_state_metadata,
+    :created_at,
+    :updated_at,
+    :last_started_at,
+    :last_started_at_date,
+    :recipient_total_count,
+    :contact_list_ids,
+    :contact_segment_ids,
+    :delivery_mode,
+    :delivery_options,
+    :template,
+    keyword_init: true
+  )
+
+  # Response from listing email campaigns (paginated)
+  # @see https://api-docs.mailtrap.io/docs/mailtrap-api-docs/email-campaigns
+  # @attr_reader data [Array<EmailCampaign>] Page of email campaigns, newest first
+  # @attr_reader pagination [Hash] Page-token pagination metadata
+  #   (+token+, +prev_token+, +next_token+, +first_url+, +prev_url+, +current_url+, +next_url+)
+  EmailCampaignsListResponse = Struct.new(
+    :data,
+    :pagination,
+    keyword_init: true
+  )
+end
diff --git a/lib/mailtrap/email_campaigns_api.rb b/lib/mailtrap/email_campaigns_api.rb
@@ -0,0 +1,189 @@
+# frozen_string_literal: true
+
+require_relative 'base_api'
+require_relative 'email_campaign'
+
+module Mailtrap
+  class EmailCampaignsAPI
+    include BaseAPI
+
+    self.supported_options = %i[
+      name
+      domain_id
+      from_display_name
+      from_local_part
+      reply_to
+      template_attributes
+      delivery_mode
+      delivery_options
+      contact_list_ids
+      contact_segment_ids
+    ].freeze
+
+    self.response_class = EmailCampaign
+
+    attr_reader :client
+
+    # @param client [Mailtrap::Client] The client instance
+    def initialize(client = Mailtrap::Client.new)
+      @client = client
+    end
+
+    # Lists email campaigns for the account, newest first
+    # @param per_page [Integer, nil] Number of campaigns per page (max 100, default 50)
+    # @param search [String, nil] Filter campaigns by name
+    # @param token [Integer, nil] Page number to retrieve (page-token pagination, default 1)
+    # @return [EmailCampaignsListResponse] The page of campaigns and pagination metadata
+    # @!macro api_errors
+    def list(per_page: nil, search: nil, token: nil)
+      query_params = {}
+      query_params[:per_page] = per_page unless per_page.nil?
+      query_params[:search] = search unless search.nil?
+      query_params[:token] = token unless token.nil?
+
+      response = client.get(base_path, query_params)
+
+      EmailCampaignsListResponse.new(
+        data: Array(response[:data]).map { |item| build_entity(item, response_class) },
+        pagination: response[:pagination]
+      )
+    end
+
+    # Retrieves a specific email campaign
+    # @param email_campaign_id [Integer] The email campaign ID
+    # @return [EmailCampaign] Email campaign object
+    # @!macro api_errors
+    def get(email_campaign_id)
+      base_get(email_campaign_id)
+    end
+
+    # Creates a new email campaign in the +draft+ state
+    # @param [Hash] options The parameters to create
+    # @option options [String] :name Campaign name (required)
+    # @option options [Integer] :domain_id ID of the verified sending domain (required),
+    #   as returned by the Sending Domains endpoints
+    # @option options [String] :from_display_name Display name shown in the From header
+    # @option options [String] :from_local_part Local part (before the @) of the From address (required)
+    # @option options [Hash] :reply_to Reply-To address parts (+display_name+, +local_part+, +domain+)
+    # @option options [Hash] :template_attributes Template attributes (+subject+ (required),
+    #   +body_html+, +body_text+, +merge_tags+)
+    # @option options [String] :delivery_mode How the campaign is delivered (+rapid+ or +gradual+)
+    # @option options [Hash] :delivery_options Delivery throttling options (+emails_per_hour+),
+    #   applies when +delivery_mode+ is +gradual+
+    # @option options [Array<Integer>] :contact_list_ids IDs of contact lists to send to
+    # @option options [Array<Integer>] :contact_segment_ids IDs of contact segments to send to
+    # @return [EmailCampaign] Created email campaign
+    # @!macro api_errors
+    # @raise [ArgumentError] If invalid options are provided
+    def create(options)
+      base_create(options)
+    end
+
+    # Updates an existing +draft+ email campaign. Only the provided attributes are changed;
+    # +template_attributes+ sub-fields are also updated partially, in place.
+    # @param email_campaign_id [Integer] The email campaign ID
+    # @param [Hash] options The parameters to update; accepts the same fields as {#create}
+    # @option options [String] :name Campaign name
+    # @option options [Integer] :domain_id ID of the verified sending domain,
+    #   as returned by the Sending Domains endpoints
+    # @option options [String] :from_display_name Display name shown in the From header
+    # @option options [String] :from_local_part Local part (before the @) of the From address
+    # @option options [Hash] :reply_to Reply-To address parts (+display_name+, +local_part+, +domain+)
+    # @option options [Hash] :template_attributes Template attributes (+subject+, +body_html+,
+    #   +body_text+, +merge_tags+)
+    # @option options [String] :delivery_mode How the campaign is delivered (+rapid+ or +gradual+)
+    # @option options [Hash] :delivery_options Delivery throttling options (+emails_per_hour+),
+    #   applies when +delivery_mode+ is +gradual+
+    # @option options [Array<Integer>] :contact_list_ids IDs of contact lists to send to
+    # @option options [Array<Integer>] :contact_segment_ids IDs of contact segments to send to
+    # @return [EmailCampaign] Updated email campaign
+    # @!macro api_errors
+    # @raise [ArgumentError] If invalid options are provided
+    def update(email_campaign_id, options)
+      base_update(email_campaign_id, options)
+    end
+
+    # Deletes an email campaign. Only a campaign in the +draft+ state can be deleted.
+    # @param email_campaign_id [Integer] The email campaign ID
+    # @return [nil]
+    # @!macro api_errors
+    def delete(email_campaign_id)
+      base_delete(email_campaign_id)
+    end
+
+    # Starts sending a +draft+ campaign immediately
+    # @param email_campaign_id [Integer] The email campaign ID
+    # @return [EmailCampaign] The started email campaign
+    # @!macro api_errors
+    def start(email_campaign_id)
+      perform_action(email_campaign_id, :start)
+    end
+
+    # Schedules a +draft+ campaign to start sending at a future time.
+    # The time is reported back in +current_state_metadata.scheduled_at+.
+    # @param email_campaign_id [Integer] The email campaign ID
+    # @param datetime [String] When to send the campaign (ISO 8601); must be in the future
+    #   and no more than 1 month ahead
+    # @return [EmailCampaign] The scheduled email campaign
+    # @!macro api_errors
+    def schedule(email_campaign_id, datetime)
+      perform_action(email_campaign_id, :schedule, { datetime: })
+    end
+
+    # Cancels a +scheduled+ campaign, returning it to the +draft+ state
+    # @param email_campaign_id [Integer] The email campaign ID
+    # @return [EmailCampaign] The cancelled email campaign
+    # @!macro api_errors
+    def cancel(email_campaign_id)
+      perform_action(email_campaign_id, :cancel)
+    end
+
+    # Terminates a campaign that is currently sending (+started+, +queued+, or +paused+),
+    # aborting the in-flight send
+    # @param email_campaign_id [Integer] The email campaign ID
+    # @return [EmailCampaign] The terminated email campaign
+    # @!macro api_errors
+    def terminate(email_campaign_id)
+      perform_action(email_campaign_id, :terminate)
+    end
+
+    # Resets a +scheduled+ campaign back to the +draft+ state
+    # @param email_campaign_id [Integer] The email campaign ID
+    # @return [EmailCampaign] The reset email campaign
+    # @!macro api_errors
+    def reset(email_campaign_id)
+      perform_action(email_campaign_id, :reset)
+    end
+
+    # Retrieves aggregated performance statistics for an email campaign.
+    # By default statistics are aggregated since the campaign was last started.
+    # @param email_campaign_id [Integer] The email campaign ID
+    # @param start_date [String, nil] Start of the aggregation window (inclusive), +YYYY-MM-DD+
+    # @param end_date [String, nil] End of the aggregation window (inclusive), +YYYY-MM-DD+
+    # @return [EmailCampaignStats] Aggregated campaign statistics
+    # @!macro api_errors
+    def stats(email_campaign_id, start_date: nil, end_date: nil)
+      query_params = {}
+      query_params[:start_date] = start_date unless start_date.nil?
+      query_params[:end_date] = end_date unless end_date.nil?
+
+      response = client.get("#{base_path}/#{email_campaign_id}/stats", query_params)
+      build_entity(response[:data], EmailCampaignStats)
+    end
+
+    private
+
+    def perform_action(email_campaign_id, action, body = nil)
+      response = client.post("#{base_path}/#{email_campaign_id}/#{action}", body)
+      handle_response(response)
+    end
+
+    def base_path
+      '/api/email_campaigns'
+    end
+
+    def handle_response(response)
+      build_entity(response[:data], response_class)
+    end
+  end
+end