{"slug":"toolsmith-39f8d72f","name":"Toolsmith","summary":"Email verification and deliverability check without sending anything: syntax, MX records, disposable-domain detection (121k+ known domains), role-account and free-provider flags. JSON verdict with a bounce/deliverability risk level. Validate emails for signup fraud prevention, list hygiene and lead qualification. $0.004 USDC per call, pay via x402, no API key.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:23.207330Z","sources":[{"source":"x402_bazaar","external_id":"https://toolcall.click/t/email/validate","owner_address":"0x84fa7ea8303d4f503267e2e998a3f7d980e814a5","seen_at":"2026-10-25T19:50:35.992501Z","removed_at":null}],"endpoints":[{"url":"https://toolcall.click/t/email/validate","host":"toolcall.click","protocol":"x402","state":"live","last_probe_at":"2026-10-25T20:20:31.324336Z","last_ok_at":"2026-10-25T20:20:31.324336Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"toolcall-click-c00a5d85","name":"toolcall.click"}],"notice":"Not affiliated with addrbook — claim or request removal."}