# Unisender — MCP server on mcp.ai
> Connect your Unisender account and use 33 tools for marketing straight from your AI agent. Connect with your own API key. UniSender is a simple and easy-to-use service for email and SMS marketing campaigns.

By: mcp.ai · official
Page: https://mcp.ai/unisender

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_unisender?ms=1787293560000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/unisender/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/unisender/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/unisender/skill.md
Postman collection (v2.1): https://mcp.ai/unisender/postman.json

## Tools
- unisender_check_email(email_id: integer[]) — Tool to check the delivery status of emails sent via sendEmail method. Use when you need to verify email delivery status by email IDs. Statuses are stored for approximately one month. Rate limited to 
- unisender_create_email_template(tag?: string, body?: string, lang?: string, title: string, subject?: string, text_body?: string, sender_name?: string, sender_email?: string, generate_text?: integer) — Tool to create a new email template for mass campaigns in UniSender. Use when you need to create a reusable email template with customizable title, subject, body content, and sender information.
- unisender_create_field(name: string, field_type: string) — Tool to create a new custom field for contact data in UniSender. Use when you need to add a custom field that can store additional contact information and be used in email message substitutions.
- unisender_create_list(title: string, after_subscribe_url?: string, before_subscribe_url?: string) — Tool to create a new contact list for organizing thematic email campaigns in UniSender. Use when you need to create a new mailing list with a unique title. The list title must be unique within the acc
- unisender_create_subscriber_note(content: string, subscriber_id: integer) — Tool to create a note for a subscriber contact in UniSender. Use when you need to add a new note to a subscriber's profile. Notes created via API have an 'origin' field set to 'api'.
- unisender_delete_field(id: integer) — Tool to remove a custom field from the Unisender system. Use when you need to permanently delete a custom field and all its associated contact data.
- unisender_delete_list(list_id: integer) — Tool to permanently delete a contact list from your UniSender account. Use when you need to remove a mailing list by its ID.
- unisender_delete_subscriber_note(id: integer) — Tool to delete a subscriber note from UniSender by its ID. Use when you need to remove a note associated with a subscriber/contact from the system.
- unisender_delete_tag(id: integer) — Tool to delete a tag by its ID and remove it from all associated contacts. Use when you need to remove a tag from your UniSender account.
- unisender_delete_template(template_id: integer) — Tool to remove a template from the UniSender account. Use when you need to permanently delete a template by its ID.
- unisender_exclude(contact: string, list_ids?: string, contact_type?: string) — Tool to remove contacts from specified lists or all lists in UniSender. Use when you need to exclude a contact (email or phone) from mailing lists. Unlike unsubscribe, exclude actually removes the con
- unisender_export_contacts(tag?: string, email?: string, limit?: integer, phone?: string, offset?: integer, list_id?: integer, notify_url?: string, field_names?: string[], email_status?: string, phone_status?: string) — Tool to export contact data from UniSender lists for synchronization. Use when you need to export email addresses, phone numbers, and custom fields from lists. This method works asynchronously - the r
- unisender_get_campaign_status(campaign_id: integer) — Tool to check the current status of a campaign in UniSender. Use when you need to verify campaign progress or completion status. Returns detailed status information including creation time and start t
- unisender_get_campaigns(to?: string, from?: string, limit?: integer, offset?: integer) — Tool to retrieve list of campaigns from Unisender within a specified date range. Use when you need to fetch email campaign information with optional filtering by date and pagination support. Returns u
- unisender_get_contact(email?: string, contact_id?: integer, include_lists?: integer, include_fields?: integer, include_details?: integer) — Tool to get information about a single contact from UniSender. Use when you need to retrieve detailed contact data including email/phone status, custom fields, list memberships, and engagement statist
- unisender_get_contact_field_values(email: string, field_ids: string) — Tool to retrieve custom field values for a specific contact identified by email address. Use when you need to get additional field data associated with a contact. You can optionally specify which fiel
- unisender_get_fields() — Tool to retrieve all custom user-defined fields for contact personalization and data management. Use when creating integrations to map fields between systems or to retrieve available custom fields for
- unisender_get_lists() — Tool to retrieve all existing mailing lists associated with the account. Use when you need to get list IDs and titles before sending emails or SMS to a list, or to display available contact lists.
- unisender_get_messages(limit?: integer, offset?: integer, date_to: string, date_from: string) — Tool to retrieve list of all messages with body and attachments. Use when you need complete message information including content and attachments, unlike listMessages which returns only metadata.
- unisender_get_sender_domain_list(username: string) — Tool to retrieve information about sender domains and their DKIM status. Use when you need to check which domains are registered for sending emails and their verification status.
- unisender_get_tags() — Tool to retrieve all custom tags/labels for contact segmentation. Use when you need to list all available tags in the Unisender account.
- unisender_get_template(template_id: integer) — Tool to retrieve detailed information about a specific email template by its ID. Use when you need to fetch template details including metadata, content, creation details, and formatting information.
- unisender_get_templates(type?: string, limit?: integer, offset?: integer, date_to?: string, date_from?: string) — Tool to retrieve list of all templates with full content including body. Use when you need complete template information including raw_body and body fields, unlike listTemplates which returns template
- unisender_import_contacts(data: string[][], field_names: string[], overwrite_tags?: integer, overwrite_lists?: integer) — Tool to bulk import contacts to UniSender with maximum 500 contacts per call. Use when you need to import multiple contacts at once with their fields, list subscriptions, and tags. Supports creating n
- unisender_is_contact_in_lists(email: string, list_ids: string, condition?: string) — Tool to check if a contact exists in specified mailing lists based on and/or conditions. Use when you need to verify whether a contact is a member of specific lists. The condition parameter allows che
- unisender_list_messages(limit?: integer, offset?: integer, date_to?: string, date_from?: string) — Tool to list all messages without body and attachments. Use when you need to browse available messages created via API or web interface.
- unisender_list_templates(to?: string, from?: string, type?: string, limit?: integer, offset?: integer) — Tool to list email templates without body content. Use when you need to browse available templates created via API or web interface.
- unisender_subscribe(name?: string, tags?: string, email: string, phone?: string, list_ids: string, overwrite?: integer, confirm_ip?: string, request_ip?: string, confirm_time?: string, double_optin?: integer, request_time?: string) — Tool to add contacts to one or multiple mailing lists with optional tags and field values. Use when you need to subscribe a contact (email and/or phone) to Unisender lists. This method adds contacts i
- unisender_unsubscribe(contact: string, list_ids?: string, contact_type: string) — Tool to unsubscribe contacts from mailing lists in UniSender. Use when a contact initiates opt-out from campaigns. This marks contacts as 'unsubscribed' rather than excluding them - the active status 
- unisender_update_email_template(body?: string, lang?: string, title?: string, list_id?: integer, subject?: string, text_body?: string, wrap_type?: string, categories?: string, sender_name?: string, template_id: integer, sender_email?: string, generate_text?: integer) — Tool to update an existing email template for mass campaigns. Use when you need to modify template properties like title, subject, body content, sender information, or language settings. Only the fiel
- unisender_update_field(id: integer, name: string, view_pos?: integer, field_type?: string, is_visible?: integer, public_name?: string) — Tool to modify parameters of an existing custom field in UniSender. Use when you need to change field properties like name, display name, type, visibility, or display position.
- unisender_update_list(title: string, list_id: integer, after_subscribe_url?: string, before_subscribe_url?: string) — Tool to update the parameters of an existing contact list in UniSender. Use when you need to change the title, pre-subscription URL, or post-subscription URL of an existing mailing list.
- unisender_update_subscriber_note(id: integer, content: string) — Tool to update the content of an existing subscriber note in UniSender. Use when you need to edit or modify the content of a previously created note attached to a subscriber.

## Example prompts
- "What can I do in Unisender?"
- "Show me a summary of my Unisender account"

## Links
Docs: https://mcp.ai/docs/mcps/unisender
Website: https://mcp.ai/mcps/unisender