config_id (if not provided, the config_id defaults to the linked_account_id.) If the config exists, it returns the existing setup or else creates a new config.
Request description
Headers
Unique customer identification id. For Eg: markwood@some_email.com
Body Parameters
Application slug. Eg:
mailerliteA unique id for the config. If not provided,
linked_account_id is considered as the config_id by default.An object containing dynamic mapping of user specified fields.
Response description
- 200
- Error response