Lemlist

Access the Lemlist API with managed OAuth authentication. Manage campaigns, leads, activities, schedules, sequences, and unsubscribes for sales automation and cold outreach.

Reference

Get Team

GET /lemlist/api/team

Returns team information including user IDs and settings.

Get Team Credits

GET /lemlist/api/team/credits

Returns remaining credits balance.

Get Team Senders

GET /lemlist/api/team/senders

Returns all team members and their associated campaigns.

List Campaigns

GET /lemlist/api/campaigns

Create Campaign

POST /lemlist/api/campaigns
Content-Type: application/json

{
  "name": "My Campaign"
}

Creates a new campaign with an empty sequence and default schedule automatically added.

Get Campaign

GET /lemlist/api/campaigns/{campaignId}

Update Campaign

PATCH /lemlist/api/campaigns/{campaignId}
Content-Type: application/json

{
  "name": "Updated Campaign Name"
}

Pause Campaign

POST /lemlist/api/campaigns/{campaignId}/pause

Pauses a running campaign.

Get Campaign Sequences

GET /lemlist/api/campaigns/{campaignId}/sequences

Returns all sequences and steps for a campaign.

Get Campaign Schedules

GET /lemlist/api/campaigns/{campaignId}/schedules

Returns all schedules associated with a campaign.

Add Lead to Campaign

POST /lemlist/api/campaigns/{campaignId}/leads
Content-Type: application/json

{
  "email": "lead@example.com",
  "firstName": "John",
  "lastName": "Doe",
  "companyName": "Acme Inc"
}

Creates a new lead and adds it to the campaign. If the lead already exists, it will be inserted into the campaign.

Get Lead by Email

GET /lemlist/api/leads/{email}

Update Lead in Campaign

PATCH /lemlist/api/campaigns/{campaignId}/leads/{email}
Content-Type: application/json

{
  "firstName": "Jane",
  "lastName": "Smith"
}

Delete Lead from Campaign

DELETE /lemlist/api/campaigns/{campaignId}/leads/{email}

List Activities

GET /lemlist/api/activities

Returns the history of campaign activities (last 100 activities).

Query parameters:

campaignId - Filter by campaign
type - Filter by activity type (emailsSent, emailsOpened, emailsClicked, etc.)

List Schedules

GET /lemlist/api/schedules

Returns all schedules with pagination.

Response:

{
  "schedules": [...],
  "pagination": {
    "totalRecords": 10,
    "currentPage": 1,
    "nextPage": 2,
    "totalPage": 2
  }
}

Create Schedule

POST /lemlist/api/schedules
Content-Type: application/json

{
  "name": "Business Hours",
  "timezone": "America/New_York",
  "start": "09:00",
  "end": "17:00",
  "weekdays": [1, 2, 3, 4, 5]
}

Weekdays: 0 = Sunday, 1 = Monday, ..., 6 = Saturday

Get Schedule

GET /lemlist/api/schedules/{scheduleId}

Update Schedule

PATCH /lemlist/api/schedules/{scheduleId}
Content-Type: application/json

{
  "name": "Updated Schedule",
  "start": "08:00",
  "end": "18:00"
}

Delete Schedule

DELETE /lemlist/api/schedules/{scheduleId}

List Companies

GET /lemlist/api/companies

Returns companies with pagination.