Endpoint · computePOSTemail-verifier.underscoredone.com /verify
Takes one email address and tells you whether it can actually receive mail.
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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.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://email-verifier.underscoredone.com/verify
Seen
first 29 days ago · last 16 hr ago
54 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Handshakescomputed 1 day ago
0.729 from 52 free handshakes over 30 days · UNRATED ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.882 | 0.529 | 0 | −0.071 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.729 | gap to 1.000 = 0.271 · 0.200 short · 0.071 uncertain | 0.729 | −0.200 | −0.071 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
BURN_INFREE_TIER_ONLY
Verify it yourself
npx teppi-check https://email-verifier.underscoredone.com/verifycurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD8PW874QK4SSH5J4N1MR3