Kit (ConvertKit)

List broadcasts (one-off emails / newsletters) in the account (GET /broadcasts). Cursor pagination.

Create a broadcast (POST /broadcasts).

Get a broadcast by id (GET /broadcasts/{id}).

Update a broadcast (PUT /broadcasts/{id}).

Delete a broadcast (DELETE /broadcasts/{id}).

Get open/click/recipient stats for a broadcast (GET /broadcasts/{id}/stats).

Get per-link click counts for a broadcast (GET /broadcasts/{id}/clicks).

List subscribers (GET /subscribers). Cursor pagination via after/before; filter by status, created/updated ranges. Recommended polling action.

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

Create or upsert a subscriber by email address (POST /subscribers). If the email already exists the existing subscriber is returned.

Update a subscriber's details (PUT /subscribers/{id}).

Find a subscriber by email address (GET /subscribers?email_address=...).

List the tags applied to a subscriber (GET /subscribers/{id}/tags).

Get the current account associated with the API key (GET /account). Identity + connectivity probe.

Get the account's public creator profile (GET /account/creator_profile).

Get subscriber growth stats over a period (GET /account/growth_stats).

List the account's brand colors (GET /account/colors).

Get aggregate email sending stats for the account (GET /account/email_stats).

List all tags in the account (GET /tags). Cursor pagination.

Create a tag (POST /tags).

Apply a tag to a subscriber (POST /tags/{tag_id}/subscribers/{subscriber_id}).

Remove a tag from a subscriber (DELETE /tags/{tag_id}/subscribers/{subscriber_id}).

List the subscribers who have a tag (GET /tags/{tag_id}/subscribers). Cursor pagination.

Create many subscribers in one request (POST /bulk/subscribers). Returns a callback for async processing when over the sync threshold.

Create many tags in one request (POST /bulk/tags).

Create many custom fields in one request (POST /bulk/custom_fields).

Add many subscribers to forms in one request (POST /bulk/forms/subscribers).

List custom fields in the account (GET /custom_fields). Cursor pagination.

Create a custom field (POST /custom_fields).

Update a custom field's label (PUT /custom_fields/{id}).

Delete a custom field (DELETE /custom_fields/{id}).

List forms and landing pages in the account (GET /forms). Cursor pagination.

List the subscribers who signed up through a form (GET /forms/{id}/subscribers). Cursor pagination.

Add a subscriber (by id) to a form (POST /forms/{id}/subscribers/{subscriber_id}).

List purchases recorded in the account (GET /purchases). Cursor pagination.

Get a purchase by id (GET /purchases/{id}).

Record a purchase for a subscriber (POST /purchases).

List sequences (email courses) in the account (GET /sequences). Cursor pagination.

List subscribers in a sequence (GET /sequences/{id}/subscribers). Cursor pagination.

Add a subscriber (by id) to a sequence (POST /sequences/{id}/subscribers/{subscriber_id}).

List registered webhooks (GET /webhooks). Cursor pagination.

Register a webhook endpoint for an event (POST /webhooks). Kit posts unsigned event payloads to the target URL.

Delete a registered webhook (DELETE /webhooks/{id}).

List email templates in the account (GET /email_templates). Cursor pagination.

List segments in the account (GET /segments). Cursor pagination.