Promote Your Substack
on Twitter Automatically
Publish a newsletter on Substack and a promotional tweet goes out automatically. AI writes hooks that drive subscribers.
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How the Workflow Runs
From newsletter publish to promotional tweet in four automated steps.
Setup in 4 Steps
Get Your Substack RSS URL
Your Substack RSS feed is at yourname.substack.com/feed. Every Substack has one by default - no setup needed on the Substack side.
Create an RSS Connector in OpenTweet
Paste your Substack feed URL into a new RSS connector. OpenTweet validates it instantly and shows your recent issues.
Customize Your AI Prompt
Tell AI how to promote your newsletter. Tease the content, share a key insight, ask a provocative question - whatever drives clicks for your audience.
Enable Auto-Posting
Every new newsletter issue gets a promotional tweet automatically. Or use review-first mode to tweak the copy before it goes out.
Example Generated Tweets
AI reads your newsletter title and description, then writes promotional copy that drives subscribers.
Newsletter: The Future of Remote Work in 2026
New newsletter: The Future of Remote Work in 2026 I interviewed 20 remote-first CEOs. The consensus? The office isn't coming back - but remote work is evolving. 3 trends that surprised me inside.
Newsletter: How I Grew to 10K Subscribers
I just hit 10K subscribers on Substack. In this week's issue, I break down exactly what worked: - The one growth hack that 5x'd signups - Why paid subscribers convert better from Twitter - My posting schedule Read free:
Newsletter: Why Most Startups Fail at Marketing
New issue: Why Most Startups Fail at Marketing It's not budget. It's not tools. It's something most founders never think about. This one might ruffle some feathers.
Newsletter: Weekly Digest: AI Tools Review
This week's newsletter: I tested 8 new AI tools so you don't have to. 3 are actually useful. 4 are hype. 1 is genuinely impressive. Full reviews and my honest take inside.
Why Substack Writers Need Twitter
Twitter is the number one growth channel for Substack newsletters. Automate the promotion.
Grow Your Subscriber Base
Every newsletter issue promoted on Twitter means more eyes on your content and more subscriber signups.
Cross-Platform Presence
Your audience is on both platforms. Reach Twitter followers who haven't subscribed to your newsletter yet.
AI-Written Hooks
AI crafts promotional tweets that tease your content and drive clicks. Not generic - tailored to each issue.
Consistent Promotion
Never forget to promote an issue. Every newsletter gets a tweet, automatically, every time.
Why Automate Substack Promotion
Frequently Asked Questions
Does this work with paid Substack newsletters?
Yes. Both free and paid Substack newsletters have RSS feeds. The tweet will link to your Substack post, where readers can see the preview and subscribe for full access.
Can I share excerpts from my newsletter in the tweet?
Yes. AI reads your newsletter title and description from the RSS feed and can include key takeaways, teasers, or compelling hooks to drive clicks.
How fast does it tweet after I publish?
OpenTweet checks your RSS feed regularly. New newsletter issues are typically detected within minutes of publishing and a promotional tweet is generated immediately.
Can I review the tweet before it goes out?
Yes. You can choose auto-post mode for hands-free promotion, or review-first mode where the tweet lands in your queue for you to approve or edit before posting.
Want to learn more about the RSS connector?
Publish a Newsletter. Tweet Goes Out.
Connect your Substack in 2 minutes. AI promotes every issue.