BigShield.app
Stop fake signups from draining your AI budget
What it does
Up to 40% of signups use fake or disposable emails to abuse free tiers and drain AI tokens. Validate emails at signup with a single API call and stop paying for fraud.
Does the same job
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- MSMake senders work to get into your inboxJul 2026 · captchainbox.com · ▲44
Hi HN :) really excited to share this with you. The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels…
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