Reach the most qualified prospects in your industry by sponsoring newsletters

Grow your business by sponsoring over 3,000 of the most-read newsletters across more than 500 niches, and reach highly qualified readers.

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Get your newsletter sponsorship live in 3 simple steps

Create your ad content

Create your ad content with a simple editor — add a title, text, an image, and a button with a link to redirect readers to the webpage of your choice.

Set a budget limit

Your budget will then be allocated to your campaign and will only be spent when you receive clicks or leads.

Choose newsletters and active your campaign

Select newsletters by filtering through languages and categories — your ad will only be displayed in those newsletters, targeting reader segments that best match your audience.

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.

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The largest database of newsletters to sponsor across more than 500 categories

Subletter is the platform that lets you sponsor newsletters at scale, giving you access to a powerful new distribution and sales channel. Tap into engaged audiences across every niche, run performance-based campaigns.

Advanced features built for newsletters, designed to boost your performance

One Click Opt-ins

Capture the email address of every person who clicks on your ad with Optins 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.

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Advanced Targeting

Unlock advanced targeting to maximize your results

Choose exactly who sees your ad — by audience category, country, or language. Your message will appear only in front of the readers that truly matter, across the newsletters you select to sponsor.

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Advanced Targeting

Advanced newsletter verification

We review the audience quality of every publisher approved on the platform to ensure your budget is well spent and that the readers you reach are qualified and engaged.

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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.

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New Advertiser Deal

Pay $500 and get $2,000 to sponsor newsletter of your choice

For your first campaign, take advantage of a free budget to reach more readers

Claim the deal

Sponsor over 3,000 newsletters, pay only for clicks

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