All VYPER tools integrate with Mailchimp, Klaivyo, Aweber, ConvertKit, ActiveCampaign, Sendy and Drip.
We are working on new integrations every month as well.
If you do not use one of the above services:
You can also export your leads (all emails or just confirmed emails) via .CSV.
We usually suggest contests collecting more than 10k email leads use the manual export feature to avoid any unwanted increases in email service fees.