What you can do with Kit
Every task in plain language. Pick one, and we can help you get access.
77 things you can do
Kit
Kit (formerly ConvertKit) is a creator email marketing platform whose REST API v4 covers subscribers, tags, custom fields, forms and landing pages, sequences, broadcasts, snippets, posts, purchases, segments and webhooks across 72 operations on https://api.kit.com/v4. It authenticates with an X-Kit-Api-Key header for personal automation or OAuth 2.0 (PKCE, dynamic client registration, rotating sin