Sendlane MCP by usefulapi

io.usefulapi/sendlane

Manage Sendlane lists, contacts, tags and custom fields; read campaign and SMS reports.

Yes, your AI can use this right now.Answered a live MCP handshake in 175 ms with no sign-in needed and exposes 31 tools.

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URL: https://sendlane.usefulapi.io/mcp

31 tools, verified live

Pulled straight from the server with tools/list on 2026-10-17.
sendlane_list_listsread-only

List the audience lists of the account: id, name, description, status, created date. GET /lists.

sendlane_get_listread-only

One audience list by id. GET /lists/{listId}.

sendlane_list_list_contactsread-only

Contacts on one list: email, name, phone, subscribed/suppressed state, tags, custom fields, lifetime value. GET /lists/{listId}/contacts.

sendlane_list_list_unsubscribedread-only

Contacts that unsubscribed from one list. GET /lists/{listId}/unsubscribed.

sendlane_list_contactsread-only

All contacts of the account: email, name, phone, lists, tags, custom fields, subscribed/suppressed state. Filter by creation time with from/to. GET /contacts.

sendlane_get_contactread-only

One contact by id, with lists, tags, custom fields, consent, lifetime value and subscribed/suppressed state. GET /contacts/{contactId}.

sendlane_list_unsubscribed_contactsread-only

Contacts that unsubscribed from the account. GET /contacts/unsubscribed.

sendlane_get_contact_subscriptionsread-only

The list subscriptions of one contact: list, subscribed/suppressed state, who added it and when. GET /contacts/{contactId}/subscriptions.

sendlane_get_contact_tagsread-only

The tags on one contact. GET /contacts/{contactId}/tags.

sendlane_get_contact_custom_fieldsread-only

The custom field values of one contact. GET /contacts/{contactId}/custom-fields.

sendlane_list_tagsread-only

The contact tags of the account: id, name, audience count. GET /tags.

sendlane_get_tagread-only

One tag by id. GET /tags/{tagId}.

sendlane_list_tag_contactsread-only

Contacts that carry one tag. GET /tags/{tagId}/contacts.

sendlane_list_custom_fieldsread-only

The custom contact fields of the account: id, name, type. Use the ids when setting field values. GET /custom-fields.

sendlane_list_segmentsread-only

The segments of the account: id, name, list, match rule, last count. GET /segments.

sendlane_list_segment_contactsread-only

Contacts in one segment: id, email, name, phone. GET /segments/{segmentId}/contacts.

sendlane_list_campaignsread-only

Email campaigns: id, name, status, scheduled and sent time, automation. GET /campaigns.

sendlane_get_campaignread-only

One email campaign by id. GET /campaigns/{campaignId}.

sendlane_get_campaign_reportread-only

Statistics of one email campaign: sent, opens, clicks (unique too), bounced, suppressed, unsubscribed, spam, revenue. from/to limit the period. GET /campaigns/{campaignId}/report.

sendlane_list_sms_messagesread-only

SMS messages (campaign and automation): id, name, campaign status, automation. GET /sms-messages.

sendlane_get_sms_reportread-only

Statistics of one SMS message: sent, delivered, clicks, failed, replies, unsubscribed, credits, revenue. from/to limit the period. GET /sms-messages/{messageId}/report.

sendlane_list_sender_profilesread-only

The sender profiles (from name, from/reply email, postal address, default flag). GET /senders.

sendlane_create_listcan modify

WRITE: create an audience list. Not idempotent: calling it twice makes two lists. POST /lists.

sendlane_update_listcan modify

WRITE: rename a list and/or change its description (a full update: name is required, an omitted description may be cleared). PUT /lists/{listId}.

sendlane_add_contacts_to_listcan modify

WRITE: add one or more contacts (up to 100) to a list; a contact that does not exist is created. Each needs an email or a phone. Sendlane accepts the request for processing (HTTP 202). Only add people who agreed to receive marketing. POST /lists/{listId}/contacts.

sendlane_remove_contact_from_listcan modify

WRITE: remove one contact from one list (the contact stays in the account). DELETE /lists/{listId}/contacts/{contactId}.

sendlane_unsubscribe_contactcan modify

WRITE: unsubscribe one contact from email marketing. The contact stops receiving campaigns. POST /contacts/{contactId}/unsubscribe.

sendlane_create_tagcan modify

WRITE: create a contact tag. POST /tags.

sendlane_add_contact_tagscan modify

WRITE: put one or more existing tags on a contact. POST /contacts/{contactId}/tags.

sendlane_remove_contact_tagcan modify

WRITE: remove one tag from a contact (the tag itself is kept). DELETE /contacts/{contactId}/tags/{tagId}.

sendlane_set_contact_custom_fieldscan modify

WRITE: add custom field values to a contact. Field ids come from sendlane_list_custom_fields. POST /contacts/{contactId}/custom-fields.

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