Sites using Validity
Email deliverability and sender reputation tools.
Found via: Product Hunt 20 · StackScope Wider Web 2
Figures on this page reflect sites found via StackScope Wider Web only. The "Found via" counts above always show every source. Reset
Validity has been detected on 2 launches since first appearing in July 2026. Most recent detection was on July 10, 2026.
It's most commonly paired with Anthropic, Amazon Business, and Attio.
Share of new launches using Validity
Each dot is one launch day. Line is the 7-day rolling average.
Email Security leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 |
DNSSmartHost
|
0.13% | 42.39% | |
| #2 |
MailSpamProtection
|
0.12% | 40.22% | |
| #3 |
AntiSpamCloud
|
0.07% | 24.46% | |
| #4 | SpamExperts | 0.02% | 5.43% | |
| #5 | Barracuda Email Security | 0.01% | 3.26% | |
| … | ||||
| #13 | Validity Current page | <0.01% | 1.09% | |
Percentages show adoption among launches found via StackScope Wider Web: the share of all such launches, and of those using any Email Security tool. All 27 in Email Security →
Often used with
| Tool | Launches |
|---|---|
Anthropic
|
2 |
| Amazon Business | 2 |
Attio
|
2 |
AWS Route 53
|
2 |
Cloudflare
|
2 |
Tools most often detected on the same launches as Validity.
2 sites across the wider web use Validity
StackScope Wider Web counts newly launched sites that are not indie product launches. They shape the aggregate figures on this page but are never listed individually. How StackScope Discovery works · Back to launches