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Use these docs for exact setup steps, supported fields, and troubleshooting.
Once GrowSurf is syncing to an EmailOctopus list, each contact’s referral link and progress are custom fields. EmailOctopus merges them into campaign content with double curly braces, so one send gives every reader their own link.
The same merge tags work in automation emails, which reach each new contact on their own timeline rather than everyone at once.

Open a synced contact in EmailOctopus and confirm the GrowSurf fields carry values before you build the campaign.
Use {{GrowSurfShareURL}} as both the href and the visible text. A URL the reader can see is a URL they can paste into a message.
{{GrowSurfTotalReferralCount}} and {{GrowSurfNextMilestone}} turn a generic ask into a specific one. Keep the sentence readable for someone at zero, because most of the list is.
An automation email keeps asking every new contact after signup, where a campaign asks once. Change the reward in GrowSurf and the next sync updates the values.
The referral link
<p>Share your referral link:</p>
<a href="{{GrowSurfShareURL}}">{{GrowSurfShareURL}}</a>Progress and next milestone
<p>You have made {{GrowSurfTotalReferralCount}} referrals so far.</p>
<p>{{GrowSurfNextMilestone}}</p>A share button
<a href="https://twitter.com/intent/tweet?url={{GrowSurfShareURL}}">Share on X</a>The field tag alone does not merge. {{GrowSurfShareURL}} does.
Most of your list has not referred anyone. Make the default sentence work for them, then add the progress line.
A preview against someone who is not a participant renders blanks and tells you nothing.
Double curly braces around the field tag, for example {{GrowSurfShareURL}}.
Yes, the same as in campaigns.
The contact has not synced yet, or the field tag is misspelled.
Launch a refer-a-friend or affiliate program that lowers your acquisition costs and builds customer loyalty, with little engineering work.
Trusted by marketing and product teams that grow through customer, user, and partner referrals.
