# uChecker — AI snapshot
Source: https://tools.launchllama.co/products/uchecker
Generated: 2026-10-02T16:12:35.882Z

Name: uChecker
Short description: For email marketers: uChecker validates up to 9 million addresses per job and keeps full SMTP replies so you know exactly why each bounces.
Website: https://uchecker.net
Categories: Developer Tools, SaaS
Listing type: community
Upvotes on Launch Llama: 2
Listed since: 2026-08-16
Featured (paid) listing: no

## Full description
uChecker takes a list you already have and tells you which addresses still accept mail. Upload .txt or .csv, up to 9 million in one job, about 3200 a minute, no pre-clean. Results Good, Bad and Risk. Unknown never counts as valid. Full SMTP reply kept. app.uchecker.net, api.uchecker.net/docs, @uchecker_bot, https://uchecker.net/mcp. Thirteen DNS tools free at https://uchecker.net/tools.

## Notes for agents
- This snapshot is generated on request from live Launch Llama data — always current.
- Full catalog search / details via REST or MCP: https://tools.launchllama.co/developers
- Human page: https://tools.launchllama.co/products/uchecker