My autoresponder or ESP is not listed, can I still use it?

For autoresponders or email service providers (ESP) that are not listed in our integration list:

https://vyper.zendesk.com/hc/en-us/articles/360001515831-How-do-I-integrate-with-a-mailing-list-provider-like-Mailchimp-ConvertKit-Drip-etc-

you can try to connect to your autoresponder/ESP via Zapier and use a webhook:

https://vyper.zendesk.com/hc/en-us/articles/360027082031-Do-you-allow-webhooks-