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Integration · Newsletter

Viral Loops + Substack

Substack has no integrations, so nothing syncs on its own. Link a button in your posts to your campaign's Sharing Page, get referred subscribers in a daily digest, and add them to Substack yourself.

Connect Substack14-day free trial · No credit card requiredRead the setup guide
What syncs
Nothing automatic: a daily digest
Plan
See pricing
Setup
Link a button in your posts

What syncs between Viral Loops and Substack?

A button in your posts opens your sharing page; new subscribers arrive in a daily digest.

Viral Loops to Substack

Sharing Page
Its link goes on a button in your Substack posts
Subscribers Digest
A daily email to you, with the people who subscribed on your Subscriber Page
Your import
You paste their addresses, or a CSV, into Substack under Subscribers, Add Subscribers

Substack doesn't offer integrations, so nothing syncs on its own, and its emails can't use merge tags. You add new subscribers to Substack yourself.

What can you do with Substack and Viral Loops?

  1. 1

    Add a referral button to every post

    Link a button in your posts to your campaign's Sharing Page. Substack can't use merge tags, so every reader gets the same button.

  2. 2

    Get new subscribers in a daily digest

    Referred friends subscribe on your hosted Subscriber Page. Turn on the Subscribers Digest and their addresses reach you once a day.

  3. 3

    Or collect them in a Google Sheet

    A Zapier template adds each new subscriber to a Google Sheet, ready to add to Substack. Zapier needs the Power plan.

How do you connect Substack?

Full setup guide
  1. 1

    Create a Newsletter Referral

    Substack has no integrations, so the program runs beside it, on the Newsletter Referral template.

  2. 2

    Add the button

    Link a button in your Substack posts to the campaign's Sharing Page.

  3. 3

    Turn on the digest

    Switch on the daily Subscribers Digest, so you get the people who subscribed on your Subscriber Page.

  4. 4

    Add them to Substack

    In Substack, go to Subscribers, then Add Subscribers, and paste the addresses or import a CSV.

Which templates work best with Substack?

All templates

FAQ

Substack FAQ

Does Viral Loops sync with Substack?

No. Substack doesn't offer integrations, so nothing syncs on its own. You add referred subscribers to Substack yourself, from the daily Subscribers Digest.

Can each reader get their own referral link in a Substack email?

No. Substack doesn't support merge tags, so link a button in your posts to your campaign's Sharing Page instead.

Where do referred friends subscribe?

On your campaign's hosted Subscriber Page. The daily Subscribers Digest then sends you their addresses.

How do I add them to Substack?

In Substack, go to Subscribers, then Add Subscribers, and paste the addresses or import a CSV.

Is there a way around the digest?

Yes. A Zapier template adds each new subscriber to a Google Sheet. Zapier is on the Power plan.

More newsletter integrations

All integrations

Connect Substack to your referral program.

Plans start at $35 a month, billed annually. Try it free for 14 days, or talk to our team.

Connect Substack14-day free trial · No credit card requiredBook a demo