GET https://api.convertkit.com/v3/subscribers?api_secret={api_secret}&page=1

GET https://api.convertkit.com/v3/subscribers/{subscriber_id}?api_secret={api_secret}

POST https://api.convertkit.com/v3/forms/{form_id}/subscribe

{
  "api_key": "{api_key}",
  "email": "[email protected]",
  "first_name": "John",
  "fields": {
    "company": "Example Inc"
  }
}

POST https://api.convertkit.com/v3/sequences/{sequence_id}/subscribe

{
  "api_key": "{api_key}",
  "email": "[email protected]"
}

POST https://api.convertkit.com/v3/tags/{tag_id}/subscribe

{
  "api_key": "{api_key}",
  "email": "[email protected]"
}

DELETE https://api.convertkit.com/v3/subscribers/{subscriber_id}/tags/{tag_id}?api_secret={api_secret}

PUT https://api.convertkit.com/v3/subscribers/{subscriber_id}

{
  "api_secret": "{api_secret}",
  "first_name": "Jane",
  "fields": {
    "plan": "pro"
  }
}

PUT https://api.convertkit.com/v3/unsubscribe

{
  "api_secret": "{api_secret}",
  "email": "[email protected]"
}

GET https://api.convertkit.com/v3/forms?api_key={api_key}

GET https://api.convertkit.com/v3/sequences?api_key={api_key}

GET https://api.convertkit.com/v3/tags?api_key={api_key}

POST https://api.convertkit.com/v3/broadcasts

{
  "api_secret": "{api_secret}",
  "subject": "Newsletter Subject",
  "content": "<p>Email content here</p>",
  "email_layout_template": "default"
}