Clear verdicts
Valid, invalid, risky, catch-all, or unknown—never false certainty.
Private beta · API + bulk files
Email verification that knows when it doesn't know.
Fast, low-cost verification for people, products, and autonomous workflows—with uncertainty kept explicit.
VERIFY / 001Checking signals
>alex@signal.run
VerdictCatch-all
Hold · re-checkHonest uncertainty is a result—not an error.
Designed for the decision before send
Useful answers. No theatre.
One clean interface
The same result model for a single API call or an entire file.
Ready for agents
Stable reason codes and evidence that software can act on safely.
Before the campaign. Before the import. Before the bounce report.
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