Influencer database for alternative channels
The creator database for Substack, Bluesky, Medium and podcasts
167K+ Substack newsletters, 300K+ Bluesky accounts, 85K+ Medium publications and 250K+ tracked podcasts, with weekly audience history.
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Most influencer databases cover Instagram, TikTok and YouTube. This influencer database covers the channels where experts publish: Substack newsletters, Bluesky accounts, Medium publications and podcasts.
Each creator has a profile, a weekly record of their audience and, on Substack, their posts with reactions and comments. Use it in the console to find creators, or pull it by API into your own tools.
Why alternative channels
Readers pay for a newsletter or follow a Bluesky account because they want that specific person's view. Listeners give a podcast an hour of attention. These are the channels where analysts, scientists, founders and specialists build loyal audiences, and where a partnership reaches people who chose to listen.
Find creators
Search the database by platform and topic
- Browse by platform: Substack, Bluesky, Medium and podcasts.
- Narrow by topic, audience size, engagement rate and growth trajectory.
- Open a profile to see audience size, history and publication details.
- Save shortlists, export them, or pull the same records through the API.
Audience history, week by week
Subalytics records a snapshot of every tracked creator each week. That history shows whether an audience is growing, flat or shrinking, and how fast, over 4, 12 or 52 weeks.
For Substack newsletters, the data separates free and paid subscribers where the publication shows them.
Posts and engagement
Substack posts come with reactions, comments, word count and whether they were free or paid. You can see what a writer publishes and how readers respond before you reach out.
Browse the directories
Substack newsletters
167K+ newsletters with subscriber counts and categories.
Bluesky accounts
300K+ accounts with follower history.
Medium publications
85K+ publications with follower counts.
Podcasts
250K+ tracked podcasts across news, business, sports and technology.
Get the data by API
Substack API
Newsletter profiles, subscriber history and posts.
Bluesky API
Account profiles and follower history.
Medium API
Medium publication profiles.
Who uses the creator database
Creator-intelligence teams
Brands, agencies and partnership teams finding and vetting expert creators.
Platforms
Products that license creator data to build their own databases.
Media-intelligence platforms
Monitoring products that add newsletter and podcast sources.
FAQ
Common questions
Substack, Bluesky, Medium and podcasts. Instagram, TikTok and YouTube are outside its scope; the focus is the channels where experts publish long-form work.
Creator records are captured as weekly snapshots, which is what builds the audience history.
For Substack, free and paid subscribers are recorded separately where the publication shows them.
Yes. A creator can email us to have their profile removed. The opt-out page explains how.
Contact us
Have a question or a custom use case?
Tell us what you're trying to monitor or search across, and we'll get back to you within a business day.
Find the experts in your category
Tell us which platforms and topics matter to you and how you want to use the data, and we'll set up access.