Kit API
REST API for the Kit (formerly ConvertKit) creator email marketing platform, providing programmatic access to subscribers, tags, sequences, forms, broadcasts, and automation rules.
Documentation
Documentation
https://developers.kit.com/docs
Authentication
https://developers.kit.com/api-reference/authentication
Specifications
OpenAPI
https://developers.kit.com/api-reference/v4.json
OpenAPI
https://raw.githubusercontent.com/api-evangelist/convertkit/refs/heads/main/openapi/openapi.json