Letterhead + Piano

Connect Piano to Letterhead Suite. Subscriber status, propensity, and engagement data flow into the newsletter — so every edition knows who's a subscriber, who's churning, and who to convert.

Subscription data, working in every send.

Piano knows the subscriber relationship. Letterhead turns it into newsletters that grow and retain it.

Subscriber-aware editions

Know who's subscribed, trialing, or lapsed — and send accordingly.

Conversion built in

Target propensity segments with the right offer in the newsletter.

Engagement back to Piano

Newsletter reads inform Piano's propensity and retention models.

How they work together

Piano and Letterhead, each doing what it does best.

Keep Piano running the subscription business. Letterhead uses its signals to make every edition convert and retain — and feeds engagement back.

What Piano handles

• Subscriptions, paywall, and checkout.
• Propensity and churn modeling.
• First-party identity and consent.
• Audience analytics.

What Letterhead adds

• Newsletters segmented by subscriber status and propensity.
• Conversion and retention offers inside every edition.
• Reader engagement fed back to Piano's models.
• Revenue ops aligned to the subscription goal.

What customers say

Letterhead has been an invaluable resource for us. Not only did it meet our budget needs, but it also enabled us to create personalized, creative newsletters that made our brand stand out. Their flexible platform allowed us to grow and adapt as our subscriber list and needs changed.

Jessica Ford Director, Startup Digest, Techstars

It’s made newsletter advertising cleaner, more consistent, and far less time-consuming. Thanks to Letterhead, our newsletters have become the cornerstone of our strategy.

Danielle Hastings VP of Operations

We at the Patch local news network have worked with Letterhead to create a critical monetization engine. They’ve been the best kind of partner — striving to understand our needs, quick to respond, and building for the future. Couldn’t have done it without them!

Simone Wilson Senior Manager, Patch.com

See subscriber-aware newsletters.

Bring your Piano setup and a newsletter you want to run. We'll show you editions that know the subscriber.