Next.js email verification
Validate signup emails in Next.js
Call Verifly from a server route before creating trial accounts, saving lead forms, or passing contacts into downstream automations.
Route handler snippetAPI
const response = await fetch(`https://verifly.email/api/v1/verify?email=${email}`, {
headers: { Authorization: `Bearer ${process.env.VERIFLY_API_KEY}` }
})
const result = await response.json()Real-time SMTP mailbox checks
Single, batch, and async bulk verification
Disposable, role account, and catch-all detection
Pay-as-you-go credits with no subscription lock-in
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Built for Next.js email verification searches
Use Verifly when you need a simple API, predictable pricing, and clean JSON results before emails hit your product, CRM, or campaign tool.
Verify trial signup emails before account creation
Block disposable addresses from lead magnets
Check contact forms before CRM sync
Keep API keys server-side in route handlers
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