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Enginemailer connects to a Nagent workspace with an API key. Once it is connected, agents can call 38 Enginemailer actions, such as "Add or Update Subscriber", "Create Campaign" and "Find Subscriber". Nothing is enabled on connect: each action is allowed one at a time, and an action with side effects runs or waits for a person according to the agent's level.
Every operation an agent can call against Enginemailer, with input parameters and output schema.
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
Agents can call 38 Enginemailer actions on Nagent, including "Add or Update Subscriber", "Create Campaign" and "Find Subscriber". Add or Update Subscriber: Add or update a subscriber with custom fields via N8N integration. Each action is listed on this page with its input parameters and its output.
Enginemailer connects with an API key, under your workspace's own connection. Nothing is enabled on connect: each action is allowed one at a time and can be scoped to the agents that need it.
Add or Update Subscriber takes 1 required input: email. It also takes 3 optional inputs: lastName, firstName and customFields. It returns data, error and successful.