Newsletter profiles with audience data you can trust
Every newsletter on LetterBid has a profile that answers the questions media buyers always ask: how many subscribers, how many actually open, where they live, what the newsletter covers and what a placement costs.
What is a newsletter profile?
A newsletter profile is a standardized page that shows a newsletter's audience data, including subscriber count, open rate, niche, sending frequency and audience countries, alongside the sponsorship placements it sells and their prices. On LetterBid, newsletter profiles power campaign matching for brands and can carry a Verified badge once the LetterBid team has reviewed the newsletter's analytics.
Brands evaluating a sponsorship usually want the same handful of numbers: list size, open rate, click history and audience location. Without a profile, those numbers arrive as a PDF media kit, a screenshot in a reply, or not at all. Every newsletter is measured differently, so comparing five options can take a week of email.
LetterBid puts that data in the same format for every newsletter. Brands compare like with like, and creators stop answering "Can you send your stats?" for every inquiry. Newsletters that have run tracked campaigns on LetterBid can also show verified results based on Filtered clicks, measured by LetterBid with bots and repeat clicks removed.
The audience data brands need, in one view
Audience size and engagement: Subscriber count and open rate sit at the top of every profile, the two numbers buyers check first when judging whether a newsletter can deliver attention.
Niche and audience location: Categories and audience countries show who the newsletter reaches, so a fintech brand can find finance readers in the markets it actually serves.
Verified badge: Creators send dashboard screenshots from Beehiiv, Substack, Kit, Mailchimp or another platform. The LetterBid team reviews them, and approved numbers are locked until the newsletter verifies again.
LetterBid verified results: After 3 tracked campaigns, a newsletter's storefront can show averages from past sponsorships, based on Filtered clicks measured by LetterBid.
Placements and prices: See which placements a newsletter sells (dedicated email, sponsored ad, banner ad), its packs and bundles, and the price of each before you send an offer.
Level and track record: Each newsletter carries a level that grows with completed campaigns and earnings on LetterBid, giving brands a quick read on experience with sponsors.
How newsletter profiles work
1. The newsletter completes its profile: Name, description, categories, frequency, subscriber count, open rate and audience countries. A complete profile is required before the newsletter's storefront goes live.
2. It applies for verification: The creator sends analytics screenshots covering subscribers, the last 30 to 90 days of opens and clicks, and subscriber locations. LetterBid reviews them and adds the Verified badge.
3. Brands find it through matching: When a brand creates a campaign, matching uses profile data such as categories, audience and price to surface newsletters that fit, with reasons for each recommendation.
4. Results build over time: Every sponsorship booked through LetterBid adds to the newsletter's track record. After 3 tracked campaigns, verified results averages can appear on its storefront.
Better data means better sponsorship decisions
When audience data is consistent and checked, brands spend less time vetting and more time booking, and good newsletters stand out on merit instead of on who writes the best pitch email.
Compare newsletters side by side on the same metrics
Filter matched newsletters by open rate, subscribers, country and price
Spot verified newsletters at a glance
See prices before starting a conversation
Creators answer stats questions once, not in every thread
Profiles stay current: changed numbers require re-verification
Frequently asked questions
What audience data does a newsletter profile show?
Each profile shows the newsletter's subscriber count, open rate, categories, sending frequency and audience countries, plus the placements it sells and their prices. Verified newsletters display a badge, and experienced ones can show LetterBid verified results on their storefront.
How does newsletter verification work?
The creator sends screenshots from their newsletter platform dashboard showing subscriber count, analytics for the last 30 to 90 days with open rate and clicks, and where subscribers are located. The LetterBid team reviews the proof and approves the Verified badge. If the verified numbers later change, the newsletter needs to verify again to keep it.
Which newsletter platforms are supported for verification?
Any platform that shows subscriber and engagement analytics works, including Beehiiv, Substack, Kit, Mailchimp and others. Verification is based on screenshots of your dashboard, so there is no integration to set up.
What are LetterBid verified results?
They are averages from a newsletter's past sponsorships on LetterBid, based on Filtered clicks measured by LetterBid with bots and repeat clicks removed. They appear on the newsletter's storefront once it has completed 3 tracked campaigns.
Do brands need an account to see newsletter profiles?
Matching and filtering happen inside a free brand account when you create a campaign. Anyone can open a newsletter's public storefront, which shows its audience summary and packs, and book from it without signing up first.
Is a newsletter profile the same as a media kit?
It covers what a media kit usually does, audience, metrics, formats and prices, but it is live and bookable. Brands don't have to request a PDF, and the numbers can be verified instead of self-reported.
Does a small newsletter need a profile?
Yes, and it often helps small newsletters most. A niche list with a strong open rate and a Verified badge can compete on audience fit, because campaign matching looks at categories and engagement, not only size.