SparkPost Signals
Predictive email intelligence and deliverability analytics
SparkPost Signals launched on May 14, 2019 with 8 votes, #1,030 of 3,072 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 7 years on.
What it does
SparkPost Signals is a predictive email intelligence platform that analyzes the behavior of trillions of emails to forecast email engagement and delivery health.
Send transactional email with Bird’s API and SDKs. Build messages in React or HTML, track delivery events and connect SMTP or inbound email when you need them.
Send receipts, password resets and product notifications with an SDK in your language. Build with React or HTML, then follow delivery through events and analytics. Add campaigns, SMTP or inbound email as your product grows. You can sign in any time at bird.com/login . Your test API key is on your dashboard, ready tofrom bird.com
Does a similar job
all alternatives →
SendGrid Email Analytics by Keen IO2017 · keen.io · ▲201Detailed email reporting that drives results
MailAdept by mailwarmJul 2026 · mailadept.com · ▲274AI Agents & Email deliverability experts on your team


Newsletter Radar by SparkLoop2024 · sparkloop.app · ▲400Match with relevant newsletters & grow faster together, free

More growth this month
the category →
wallhop is a free paywall bypass. Paste any article link to read it without paywall popups, ads or clutter. No signup, no extension. A simple 12ft.io alternative.
Growth · 16d ago · wallhop.io

Source: Product Hunt launch ↗
Launched alongside, May 2019
the whole month →
Webframe▲796>800 web app screenshots for inspiration on your next app 🎉
Dev tools · 2019 · webframe.xyz
CSS Scan 2.0▲758The fastest and easiest way to inspect or copy CSS ⚡️
Dev tools · 2019 · getcssscan.com



- CC
Life & fun · 2019 · cssfx.dev