S15Long-form & audio
Newsletter / Substack sponsorships
The brand pays for sponsorship placement (banner ad, dedicated section, or full-takeover edition) in a creator-authored newsletter sent to an engaged email or Substack list.
How it works
Brand identifies relevant creator newsletters (Lenny's, Morning Brew co-sponsorships, niche Substacks). Pays per send / per impression / per click. Sponsor copy is creator-authored or brand-supplied. Most common as ongoing flights of 4-12 sends.
When to use it
Open rates and reading attention on newsletters are higher than social. Best for B2B SaaS, premium DTC, and considered-purchase categories. Use when target audience reads category newsletters at scale.
Business-type fit
The same play works differently depending on the business. Here is what it looks like in each one, and what it gets you.
| Business type | How it's implemented | What it gets you |
|---|---|---|
| DTC | Mid-tier premium DTC (skincare, home, lifestyle) sponsoring lifestyle newsletters. | High-attention audience; trust-led conversion. |
| Hospitality | Local-newsletter / regional-Substack sponsorships. | Booking-driving local awareness. |
| SaaS / B2B | Major use case. Lenny's, Morning Brew, Marketing Brew, vertical Substacks. | Demo pipeline; category authority. |
| Apps | Tech newsletters (TLDR, Hacker Newsletter). | Quality install signal. |
| CPG | Niche category newsletters (kitchen, parenting, wellness). | Trial driver among engaged readers. |
How it shows up in the data
This is what the play leaves behind on the platforms. These are the signals we use to detect it.
Invisible in social-feed audit data. Ad creative library may carry newsletter-style screenshots used as ad creatives.
Almost never visible in tagged-influencer or ad-library data. Flag as a gap based on category fit, not data signal.
Detection method: see how we measure this ›
Other long-form & audio plays
Is your category running newsletter / substack sponsorships?
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