MailerLite

List subscribers (GET /subscribers). Cursor pagination via the opaque cursor param; filter by status. Suitable as a scheduled polling trigger for new/updated subscribers.

Get a single subscriber by id or email (GET /subscribers/{subscriber_id}).

Create a subscriber, or update it if the email already exists (POST /subscribers). Upsert semantics.

Update an existing subscriber by id (PUT /subscribers/{subscriber_id}).

Remove a subscriber from the account (DELETE /subscribers/{subscriber_id}).

GDPR-delete a subscriber's data (POST /subscribers/{subscriber_id}/forget). Data is purged after a 30-day window.

Get a subscriber's engagement activity log (GET /subscribers/{subscriber_id}/activity).

Get the status/report of a subscriber import job (GET /subscribers/import/{import_id}).

Add a subscriber to a group (POST /subscribers/{subscriber_id}/groups/{group_id}).

Remove a subscriber from a group (DELETE /subscribers/{subscriber_id}/groups/{group_id}).

List campaigns (GET /campaigns). Filter by status (sent, draft, ready).

Get a single campaign by id (GET /campaigns/{campaign_id}).

Create a new campaign (POST /campaigns).

Update an existing draft campaign (PUT /campaigns/{campaign_id}).

Schedule a campaign for delivery or send it immediately (POST /campaigns/{campaign_id}/schedule).

Revert a ready/scheduled campaign to draft (POST /campaigns/{campaign_id}/cancel).

Delete a campaign permanently (DELETE /campaigns/{campaign_id}).

Get recipient engagement activity for a sent campaign (GET /campaigns/{campaign_id}/reports/subscriber-activity).

List forms of a given type (GET /forms/{type}). Type is one of popup, embedded, promotion.

Get a single form by id (GET /forms/{form_id}).

Update a form's name (PUT /forms/{form_id}).

Delete a form (DELETE /forms/{form_id}).

List subscribers who signed up through a form (GET /forms/{form_id}/subscribers).

List all groups (GET /groups).

Create a new group (POST /groups).

Rename an existing group (PUT /groups/{group_id}).

Delete a group (DELETE /groups/{group_id}). Does not delete its subscribers.

List subscribers belonging to a group (GET /groups/{group_id}/subscribers).

List all webhooks (GET /webhooks).

Get a single webhook by id (GET /webhooks/{webhook_id}).

Create a webhook (POST /webhooks). MailerLite returns the auto-generated signing secret in the response; store it as the connector webhook_secret credential to verify deliveries.

Update an existing webhook (PUT /webhooks/{webhook_id}).

Delete a webhook (DELETE /webhooks/{webhook_id}).

List all custom fields (GET /fields).

Create a custom subscriber field (POST /fields).

Rename an existing custom field (PUT /fields/{field_id}).

Delete a custom field (DELETE /fields/{field_id}).

List dynamic subscriber segments (GET /segments).

List subscribers matching a segment (GET /segments/{segment_id}/subscribers).

Update a segment's name or properties (PUT /segments/{segment_id}).

Delete a segment (DELETE /segments/{segment_id}).

List automations (GET /automations).

Get a single automation by id (GET /automations/{automation_id}).

Get subscriber activity for an automation (GET /automations/{automation_id}/activity). Lists subscribers flowing through the automation with status and step progression.

Get the current account (GET /timezones is used as the identity/connectivity probe; MailerLite exposes no dedicated account/me endpoint, so a safe parameterless read is used). Returns available timezones for the authenticated token.

List all available timezones (GET /timezones).

Bundle up to 50 API calls into a single request (POST /batch). Each entry has method, path (must start with api/), and optional body.

List available campaign language options (GET /campaign-languages).