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email-verifier.underscoredone.com

Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like admin@ or support@. One address per call.

Resource URL

https://email-verifier.underscoredone.com/verify

Payment options

exactBase (8453)

$0.01 USDC

Max amount

Pay to
0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08
Timeout
300s
exactSolana

$0.01 USDC

Max amount

Pay to
8ugAWAXDB8V18kiUrGZTq1oMvU3C6Fxs8hfC6rvzQT3b
Timeout
300s

Tags

NetworkEmail VerificationSignup ValidationMail Server

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://email-verifier.underscoredone.com/verify
Type: http
Sources: cdp, thirdweb, ultravioletadao

Developer