When uploading and importing a subscriber list into beehiiv, certain fields cannot be imported as custom fields. These reserved fields are not eligible for customization because they are used elsewhere in beehiiv, for example many are reserved for merge tags.
Below are lists of reserved fields to help you identify which ones need to be renamed or adjusted before importing. Click on each to reveal the details.
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active_subscriber_count
email
hostname
jwt_token
list_unsubscribe_token
live_url
opt_in_token
publication_alphanumeric_id
publication_name
publication_name_param
report_abuse_token
resource_id
reward_promo_code
subscriber_email_hash
subscriber_id
subscriber_preferences_url
subscriber_refer_url
subscriber_referral_hub_url
subscription_id
subscription_uuid
api_subscription_id -
rp_num_referrals
rp_num_referrals_until_next_milestone
rp_display_with_milestone_styles
rp_display_with_no_milestone_styles
rp_next_milestone_name
rp_personalized_text
rp_next_milestone_image_styles
rp_next_milestone_image_url
rp_referral_hub_url
rp_referral_code
rp_refer_url
rp_refer_url_no_params
rp_upcoming_milestones -
app_version
browser
city
country
current_date_dmy
current_date_mdy
current_year_ymd
device_type
landing_page
latitude
longitude
open_tracking_pixel
os
os_version
platform
referrer
referring_domain
region
user_agent
utm_campaign
utm_content
utm_medium
utm_source
utm_term