Customer.io newsletter sponsorships
NewsletterFIT detected Customer.io sponsoring 1 newsletter in 3 posts over the last 12 months, first on Aug 24, 2026. Newsletters it has sponsored include Product Growth. The most recent placement was in Product Growth on Oct 5, 2026. Its placements cluster around Product Strategy, Product Management and AI product management.
- Newsletters
- 1
- sponsored in the last 12 months
- Placements
- 3
- posts with a detected sponsorship
- First detected
- Aug 24, 2026
- in indexed posts
- Last seen
- Oct 5, 2026
- Product Growth
Placements per month
Newsletters Customer.io has sponsored
- Product Growth 241K subscribers
Substack Weekly · last post 13 days ago
Likely audience: Product Managers
3 placements · last Oct 5
Similar newsletters where Customer.io hasn't been detected
Active newsletters on the same topics that already carry sponsors. Useful for finding where a brand like this could go next, or where a competitor isn't yet.
- Sachin Rekhi 47K subscribers
Substack Monthly or less · last post Aug 23, 2026
Likely audience: Product Managers
Sponsored by Exponent
- Productify by Bandan 33K subscribers
Substack Monthly or less · last post 19 days ago
Likely audience: Product Managers
Sponsored by Cuey
- Ravi on Product 32K subscribers
Substack Every two weeks · last post 22 days ago
Likely audience: Product Managers
Sponsored by Atlassian
- the-diff.com 36M subscribers
beehiiv Weekly · last post 20 days ago
Likely audience: Product managers
Sponsored by Granola, Attio, Good Times
- NEW ECONOMIES 78K subscribers
Substack Several times a week · last post 21 days ago
Likely audience: Startup founders
Sponsored by Harmonic
- 💎DiamantAI 36K subscribers
Substack Monthly or less · last post 32 days ago
Likely audience: ML engineers
Sponsored by Inngest
- The Skip 27K subscribers
Substack Every two weeks · last post 28 days ago
Likely audience: Senior product leaders
Sponsored by Chargebee, Firecrawl, Glean
- The GTMshift by James Kaikis 4K subscribers
Substack Monthly or less · last post 9 days ago
Likely audience: Product managers
Sponsored by FullEnrich, StoryPath
Recent placements
- n8n CEO:… Product Growth
“Brought to you by: Customer.io - Send smarter messages using your product data”
- How to… Product Growth
“Check out the conversation on Apple, Spotify and YouTube. Brought to you by: Customer.io - Send smarter messages using your product data Ari”
- How Srini… Product Growth
“Brought to you by Customer.io - Send smarter messages using your product data”
Detected automatically from posts with explicit sponsorship markers ("sponsored by", "brought to you by" and similar). Detection can miss placements or misread them. Updated Oct 29, 2026 · methodology · all sponsors