Letterhead + Sanity

Connect Sanity to Letterhead. Pull structured content from your Sanity datasets straight into newsletter editions.

Structured content, straight into editions.

Sanity is your structured content lake. Letterhead turns those documents into newsletter blocks.

Always current

Published and updated content flows in via the API.

Inbox-ready

Structured fields render as email-safe blocks.

Sanity and Letterhead, each doing what it does best.

Keep Sanity where it’s strong. Letterhead adds the newsletter operating layer on top — one workflow, no rip-and-replace.

What Sanity handles

• Your headless content lake.
• Structured schemas and documents.
• The content API and real-time updates.
• Authoring and editorial structure.

What Letterhead adds

• Sanity content pulled into newsletter editions.
• Schema-mapped, email-safe blocks.
• Curation, scheduling, and approvals around it.
• Sending, intelligence, and revenue on top.

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 your Sanity content in a newsletter.

Bring your Sanity dataset and a newsletter you want to run. We'll show you documents flowing into editions.