Grow your business by sponsoring top-performing newsletters

Sponsor 2,500+ newsletters and reach millions of qualified readers — pay only for results.

Used by thousands of advertisers, from small businesses to global companies

Whether you're a small business, a fast-growing startup, or a global brand, Subletter finds the perfect newsletter for your budget to reach your target audience.

Advertise only on verified newsletters with the best performance

We continuously verify the quality of subscribers for newsletters sent through our platform and track their performance over time to ensure your ad reaches the most qualified audience.

The cost per click is also adjusted based on how well the reader who clicked matches your targeting criteria.

Create your campaign in just a few minutes

Create your ad, set a budget limit, choose newsletters and some targeting options, and launch your campaign easily in just a few minutes. Track performance from your dashboard.

Capture the email address of every person who clicks on your ad with Opt-in campaigns

Sponsor newsletters to grow your email subscriber list.

With this mode, readers see a Subscribe button along with a message telling them they’re signing up for your email list. When they click, their email address is automatically captured via a tracking link.

Get qualified contacts who are used to reading newsletters and engaging with emails. Export your contacts in CSV format to use them on any platform.

Reach millions of newsletter readers and pay only for the leads or clicks you get

Find the perfect newsletter for your ad from a wide selection of newsletters published across all email platforms.

First Campaign Deal

Get $1,000 in ad credit for you first campaigns

Pay $500 to instantly unlock an additional $1,000 in ad credit—giving you a total of $1,500 to sponsor the newsletters of your choice.

Sponsor over 2,500 newsletters across all categories