ProductUnclaimedDeveloper ToolsEmail

OneClickOut

One-click unsubscribe that actually stops the sending — for raw SES, SendGrid, Mailgun and Postmark sends.

oneclickout.adjudi.com/?utm_source=listedstartups&utm_medium=listing&utm_campaign=oneclickout-intent-w2&utm_content=listedstartups

Community-submitted · content unverified. This organization has not verified ownership or the information in this profile.

About

Paste the raw headers of one real send → free pass/fail grid for List-Unsubscribe, https + mailto, List-Unsubscribe-Post one-click and token posture. If there's a packable gap: $29 one-time pack with header snippets for those four ESPs, a signed POST worker and suppression write-through. You paste and deploy; we never touch your mail system. Not inbox insurance. 14-day refund.

Location
Canada
Added via
web
Ownership
unclaimed

Where to go

For people

  • Homepageoneclickout.adjudi.com/?utm_source=listedstartups&utm_medium=listing&utm_campaign=oneclickout-intent-w2&utm_content=listedstartups

For agents

  • Homepageoneclickout.adjudi.com/?utm_source=listedstartups&utm_medium=listing&utm_campaign=oneclickout-intent-w2&utm_content=listedstartups

Product details

Product kind
Developer Tool
Pricing model
Paid
Free tier
Yes
Open source
No
Launched
2026

Platforms

web

Use cases

Check List-Unsubscribe and one-click unsubscribe headers from a raw sendGet a $29 one-time header snippet and signed POST worker pack for SES, SendGrid, Mailgun or Postmark

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