Enginemailer is an email marketing platform that enables businesses to manage contacts, design campaigns, and send personalized emails.
Enginemailer is an email marketing platform that enables businesses to manage contacts, design campaigns, and send personalized emails. On Nagent, Enginemailer is exposed as a fully-configurable email newsletters integration that any agent can call — 38 actions, and API key authentication. No code is required to wire Enginemailer into your workflow — connect it once via the External Integrations panel and reuse it across every agent you build.
Agent builders use Enginemailer to automate the kinds of tasks email newsletters teams previously handled manually. Concrete examples — each one is a single agent step in Nagent — include:
Every action and trigger is paired with a structured input/output schema (visible in the sections below), so when you wire Enginemailer into Helix — our agentic agent builder — the editor knows exactly what each step expects and produces. Configure once, deploy anywhere across your Nagent agents.
Every operation an agent can call against Enginemailer, with input parameters and output schema. Drop these into any step of an agent built in Helix.
ENGINEMAILER_ACTIVATE_SUBSCRIBERTool to activate an inactive subscriber in EngineMailer. Use when you need to reactivate a subscriber that was previously deactivated either through the API or manually.
Input parameters
Email address of the subscriber to activate. Only applicable to subscribers that are deactivated either through the API or manually.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_ADD_UPDATE_SUBSCRIBERTool to add or update a subscriber with custom fields via N8N integration. Use when you need to create a new subscriber or update an existing one in the EngineMailer system.
Input parameters
Email address of the subscriber to add or update.
Last name of the subscriber (optional).
First name of the subscriber (optional).
Custom fields for the subscriber as key-value pairs (optional). Examples include company, country, phone, etc.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_BATCH_UPDATE_STATUSTool to check the status of a batch subscriber update operation. Use when you need to verify if a batch update job has completed or is still processing.
Input parameters
The batch job ID returned by the batch_update_subscribers operation.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_BATCH_UPDATE_SUBSCRIBERSTool to add or update multiple subscribers with custom fields in a single batch operation. Use when you need to create or update multiple subscribers efficiently. Subscribers that fail validation are removed from processing automatically.
Input parameters
Array of subscriber objects to add or update. Subscribers that do not pass validation will be removed from processing.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_CHECK_EXPORT_STATUS_V2Tool to check status of a previously requested CSV report export. Use after initiating an export to poll for completion. Large exports may take significant time; poll repeatedly until status indicates readiness before consuming the export data.
Input parameters
The Export ID received from the export initiation method
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_CONNECTTool to test API connection and verify authentication. Use when you need to validate API credentials or check connectivity.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_CREATE_CAMPAIGNTool to create a new email campaign. Use when you need to configure and schedule a campaign before sending. Set trackOpens and trackClicks at creation; these flags cannot retroactively affect already-delivered messages.
Input parameters
Reply-to email address; defaults to fromEmail if omitted
Sender's name as it will appear in the email
Scheduled send date/time in 'YYYY-MM-DD HH:MM:SS' format
ID of the recipient list
Valid sender email address
Enable open tracking
List of attachment URLs or base64-encoded file data
Enable click tracking
Name of the campaign
Plain-text content; auto-generated if omitted
HTML content of the email campaign
Subject of the email campaign
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_DELETE_CAMPAIGNTool to delete an undelivered email campaign. Use when you need to remove a campaign that has not been sent yet.
Input parameters
The unique identifier of the undelivered campaign to delete.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_DELETE_RECIPIENT_LISTTool to delete an existing recipient list from a targeted campaign. Use when you need to remove a specific recipient list from a campaign.
Input parameters
The unique identifier of the campaign from which to delete the recipient list.
The unique identifier of the recipient list to delete from the campaign.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_DELETE_SUBSCRIBERTool to remove a subscriber from the system by email address. Use when you need to permanently delete a subscriber's record.
Input parameters
Email address of the subscriber to delete.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_EXPORT_CSV_REPORT_V2Tool to export a transactional email report as CSV. Initiates an async export within a specific date range (max past 60 days); check readiness via ENGINEMAILER_CHECK_EXPORT_STATUS_V2 before using the export.
Input parameters
Date range for the report in 'DD MMM YYYY - DD MMM YYYY' format; max window of 60 days.
Filter the export result by sender domain.
Filter the export result by a specific email address.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_FIND_SUBSCRIBERTool to find a subscriber by email address via N8N integration. Use when you need to search for and retrieve subscriber information from the EngineMailer system.
Input parameters
Email address of the subscriber to find.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_GETCUSTOMFIELDTool to retrieve the list of custom fields configured for subscribers. Use when you need to discover available custom fields for subscriber management.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_LISTCAMPAIGNTool to get a list of undelivered campaigns. Use when you need to fetch campaigns awaiting delivery.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_NEW_SUBSCRIBERSTool to retrieve new subscribers with optional filtering by source, form, page, or popup. Use when you need to fetch recently added subscribers for synchronization or reporting workflows.
Input parameters
Number of records to return per request. Defaults to 50.
Filter subscribers by subscription source.
Filter results by specific form ID.
Filter results by specific page ID.
Filter results by specific popup ID.
Retrieve only subscribers added after this timestamp for polling/sync workflows. Format should be ISO 8601 datetime string.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_SUBCATEGORYTool to retrieve subcategories for a given category. Use when you need to list or choose subcategories after selecting a category.
Input parameters
ID of the category to get subcategories for.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_SUBSCRIBERTool to retrieve subscriber information by email address. Use when you need to fetch details about a specific subscriber including their custom fields.
Input parameters
The email address of the subscriber to retrieve information for.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_SUBSCRIBER_AUTORESPONDER_COMPLETEDTool to retrieve subscribers who completed autoresponders with optional filtering by autoresponder ID. Use when you need to fetch completion events for autoresponders, optionally filtered by specific autoresponder or polling for new events since a timestamp.
Input parameters
Maximum number of records to return. Defaults to 50.
Retrieve events after specified timestamp for polling. Use ISO 8601 format or timestamp string.
Filter results by specific autoresponder ID. If not provided, returns completions for all autoresponders.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_SUBSCRIBER_AUTORESPONDER_TRIGGEREDTool to retrieve subscribers who triggered autoresponders with optional filtering by autoresponder ID. Use when you need to fetch trigger events for autoresponders, optionally filtered by specific autoresponder or polling for new events since a timestamp.
Input parameters
Maximum number of records to return. Defaults to 50. Maximum allowed value is 50.
Retrieve events after specified timestamp for polling. Use format: YYYY-MM-DD HH:MM:SS (e.g., '2024-01-01 00:00:00').
Filter results by specific autoresponder ID. If not provided, returns triggers for all autoresponders.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_SUBSCRIBERS_DELETEDTool to retrieve deleted subscribers since last polling date. Use when you need to track or sync subscribers who have been removed from the system.
Input parameters
Maximum number of deleted subscriber records to return. Defaults to 50.
Date filter to retrieve only subscribers deleted after this timestamp. Format should match the API's expected date/time format.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_SUBSCRIBERS_MODIFIEDTool to retrieve modified subscribers since last polling date with optional limit. Use when you need to fetch recently modified subscribers for synchronization or polling workflows.
Input parameters
Maximum number of records to return. Defaults to 50.
Retrieve only subscribers modified after this timestamp for polling/sync workflows. Format: 'YYYY-MM-DD HH:MM:SS' (without timezone).
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_SUBSCRIBERS_TAGGEDTool to retrieve subscribers who were tagged with optional filtering by subcategory. Use when you need to fetch tagged subscribers for synchronization or reporting workflows.
Input parameters
Maximum number of records to return. Defaults to 50.
Retrieve only subscribers tagged after this timestamp for polling/sync workflows. Format must be 'YYYY-MM-DD HH:MM:SS' (e.g., '2024-01-01 00:00:00').
Filter results by specific subcategory (tag) ID. If not provided, returns tagged subscribers for all subcategories.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_SUBSCRIBERS_UNTAGGEDTool to retrieve subscribers who were untagged from subcategories. Use when you need to track or sync subscribers who have had tags removed, with optional filtering by subcategory and polling date.
Input parameters
Maximum number of subscriber records to return. Defaults to 50.
Retrieve only subscribers untagged after this timestamp for polling/sync workflows. Format should be ISO 8601 datetime string.
Filter results by specific subcategory ID to see subscribers untagged from that subcategory.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_GET_UNSUBSCRIBETool to retrieve unsubscribe events with optional filtering by campaign or autoresponder. Use when you need to fetch unsubscribe data for reporting, synchronization, or compliance workflows.
Input parameters
Maximum number of unsubscribe records to return. Defaults to 50.
General filter criteria for unsubscribe events.
Filter results by specific campaign ID. Returns only unsubscribes related to that campaign.
Retrieve unsubscribe events after specified timestamp for polling. Use ISO 8601 format or timestamp string.
Filter results by specific autoresponder ID. Returns only unsubscribes related to that autoresponder.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_INSERT_SUBSCRIBERTool to add a new subscriber with optional custom fields. Use when registering a user to a specific mailing list after verifying their email.
Input parameters
Name of the subscriber (optional).
Email address of the subscriber to add.
Identifier of the mailing list to which the subscriber will be added (optional). Required in practice — omitting it causes failure even when a default list exists.
Custom fields for the subscriber as an array of objects with customfield_key and customfield_value (optional). Only predefined custom field keys are accepted. Unrecognized keys are silently ignored — no error is raised, and the data is dropped.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_LIST_AUTORESPONDERSTool to retrieve a list of all autoresponders. Use when you need to fetch available autoresponders configured in the system.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_LIST_CAMPAIGNSTool to retrieve a list of all campaigns. Use when you need to fetch all campaigns from the system.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_LIST_FORMSTool to retrieve a list of available forms in Enginemailer. Use when you need to discover forms for n8n integration or workflow configuration.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_LIST_PAGESTool to retrieve a list of all pages. Use when you need to fetch available pages.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_LIST_POPUPSTool to retrieve a list of popups from Enginemailer. Use when you need to fetch available popups for n8n workflows.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_LIST_TEMPLATESTool to retrieve a list of all email templates. Use when you need to fetch available email templates for campaigns.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_PAUSE_CAMPAIGNTool to pause a scheduled email campaign. Use when you need to halt a campaign before sending to apply updates or adjust schedule.
Input parameters
The unique identifier of the campaign to pause.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_POST_UPDATECATEGORYTool to create or update a category for subscriber segmentation. Use when organizing subscribers by common interests for targeted email marketing.
Input parameters
Description of the category.
Name of the category to create or update.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_POST_UPDATE_SUBSCRIBERTool to update data for an existing subscriber in EngineMailer. Use when you need to modify subscriber information such as custom fields or subcategory assignments.
Input parameters
Email address of the subscriber to update.
Subcategory assignment for the subscriber. Can be a single subcategory string or an array of subcategories (optional).
Array of custom field objects to update for this subscriber (optional).
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_SEND_CAMPAIGNTool to send an email campaign immediately. Use when the campaign exists, has at least one recipient, and is not scheduled or already delivered. E.g., 'Send campaign 123 now'.
Input parameters
Targeted Campaign ID to send immediately. Must be a positive integer. Ensure the campaign exists, is not scheduled/delivering/delivered, and has at least one recipient before calling this.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_TAG_TO_SUBCATEGORYTool to tag a subscriber to a specific subcategory via N8N API endpoint. Use when you need to categorize or organize subscribers by assigning them to a subcategory.
Input parameters
Email address of the subscriber to tag to a subcategory.
The unique identifier of the subcategory to which the subscriber will be tagged. Can be a string or integer.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_UNSUBSCRIBETool to unsubscribe a subscriber via N8N API endpoint. Use when you need to remove a subscriber from the mailing list using the N8N integration endpoint.
Input parameters
The email address of the subscriber to unsubscribe.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
ENGINEMAILER_UNSUBSCRIBE_SUBSCRIBERTool to unsubscribe a subscriber from the email list. Use when a user requests to be removed from the mailing list or to comply with unsubscribe requests.
Input parameters
The email address of the subscriber to unsubscribe.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
No publicly available marketplace agent is found using this tool yet. There are 30 agents privately built on Nagent that already use Enginemailer.
Build on Nagent
Connect Enginemailer to any Nagent agent in minutes — no API key management, no boilerplate. Just configure and deploy.
The five questions agent builders ask before adopting a new integration.
Open the External Integrations panel inside Nagent (app.nagent.ai/externalIntegration), find Enginemailer, and click "Connect Now." You'll authenticate with an API key — Nagent handles credential storage and refresh automatically. Once connected, Enginemailer is available to any agent in your workspace.
No. Nagent provides no-code integration for every tool. Once Enginemailer is connected, you configure its 38 actions directly in the agent builder UI — no API calls, no boilerplate, no schema management.
Helix — Nagent's agentic agent builder — lets you drop Enginemailer steps into any workflow visually. Pick an action (e.g., one of those listed above), fill in the inputs (Helix knows the required vs. optional schema for each parameter), and connect it to upstream/downstream steps. Triggers run as the entry point of an agent, so when a Enginemailer event fires, the agent kicks off automatically.
Every Enginemailer action and trigger ships with a fully-typed schema — input parameters with name, type, required flag, and description, plus the output payload shape. The schemas are documented in the sections above. Helix uses these schemas to validate your configuration at build time and to type-check the data flowing between steps.
Yes. While Enginemailer ships with 38 pre-built email newsletters actions, you can layer custom logic around them inside Helix — pre/post-processing steps, conditional branches, retries, or stitching Enginemailer together with other connected tools. For deeper customization, talk to our team about Nagent's Agentic AI Lab — forward-deployed engineers who build Enginemailer-based workflows tailored to your business.