code: func (client *Client) GetAPIKeys() ([]APIKey, error) {
  	var out reqAPIKeys
  	if err := client.doJsonRequest("GET", "/v1/api_key", nil, &out); err != nil {
  		return nil, err
  	}
  
  	return out.APIKeys, nil
  }
docs: // GetAPIKeys returns all API keys or error on failure