Stop Chasing Sponsors for Logos.
The all-in-one asset collection and automated analytics portal built specifically for professional newsletter media buyers.
No credit card required. Free early-access phase.
The newsletter economy has shifted.
It’s no longer just solo creators; it’s independent media buyers managing portfolios of 5 to 20 boutique newsletters. But the tools haven't caught up.
Right now, if you book 10 sponsorships across 5 newsletters, you have to email 10 different brand managers, chase them down for tracking links, organize 10 different folders, and then, after the newsletters send, manually compile performance reports. It’s chaotic, and it limits how much money you can make because you run out of time.
AdVault is the infrastructure for professional newsletter media buyers.
Scale your portfolio without hiring an assistant.
Zero-Friction Asset Collection
Magic links mean your sponsors never have to create an account or remember a password. They click once, upload, and they are done.
Multi-Tenant Dashboard
View all your pending, active, and completed sponsorships across every newsletter you manage in one unified view. Eliminate portal fatigue.
Automated Proof-of-Placement
Generate performance reports seamlessly with Verified Manual Entry to prove the ad ran without manually taking screenshots.
How AdVault Works
You book the ad
Create a sponsorship record in your dashboard. AdVault generates a secure magic link for the sponsor.
The sponsor clicks once
No accounts, no passwords. Zero friction. They upload their copy, tracking link, and logo. Those assets land perfectly organized, tagged by newsletter and send date.
Automated reminders do the chasing
If they don't upload it, AdVault's engine sends automated reminders 72 hours before the deadline.
Generate performance reports
After the send, use Verified Manual Entry to instantly generate a white-labeled performance report for the sponsor.
Early Access Pricing
Early Access Beta
Join the MVP launch and help shape the future of AdVault.
- Unlimited Newsletters
- Unlimited Sponsorships
- Magic Link Asset Collection
- 72-Hour Automated Reminders
- Verified Manual Analytics Entry
Premium agency tiers with custom domain mapping, full white-labeling, and direct ESP API integrations coming soon.
Frequently Asked Questions
My sponsors won't use a portal.
It's not a portal. It's a magic link. They click once and upload. It's easier than email attachments and requires zero login or account creation.
Does this replace my ESP?
No, AdVault works alongside your ESP. You manage the ad inventory and assets in AdVault, then place them in your ESP to send.
I just use Airtable/Google Sheets.
Sheets don't send automated follow-up emails for missing assets, and they don't generate professional white-labeled performance reports for your sponsors.
Does it integrate with Substack?
Yes, via our "Verified Manual Entry" tool, since Substack lacks a public API for analytics.
Can sponsors see data from my other newsletters?
No. Strict logical data isolation ensures sponsors only see the specific placements they paid for.
Reclaim 10+ hours a week of administrative work.
Stop doing admin. Start scaling your portfolio.