email-validate

Validate email addresses: RFC-style syntax checks, IDN domain normalization, live MX lookups with A/AAAA fallback (DNS-over-HTTPS), disposable-domain detection, role-address…

Validate email addresses: RFC-style syntax checks, IDN domain normalization, live MX lookups with A/AAAA fallback (DNS-over-HTTPS), disposable-domain detection, role-address detection (info@, support@), free-provider flagging, and typo suggestions for popular providers (gmial.com -> gmail.com). Single address or batches up to 50. POST a JSON body like: {"emails":["[email protected]","[email protected]","[email protected]"]}

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.003 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xb86f95ef…9b478fc4

URL

https://keyronne.com/api/email-validate

Seen

first 34 days ago · last 7 days ago

64 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.934 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.066: 0.066 uncertain ? + 0.000 short ?

How the composite of 0.934 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	1.00	0.890		0.534	0	−0.066
latency p95 it answered as fast as its class	0.20	1.00	1.000		0.200	0	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.934	gap to 1.000 = 0.066 · 0.000 short · 0.066 uncertain	0.934	−0.000	−0.066

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.890   liveness       
+ 0.200 × 1.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.934           → UNRATED: 56 of 30 paid calls      weights 2026.09.6 · 56 samples · seed cap_01M1A51QMS56HMNN12BZMA6PTJ|2026-09-03T15:26:20.183Z|2026.09.6

Verify it yourselfnpx teppi-check https://keyronne.com/api/email-validatecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51QMS56HMNN12BZMA6PTJ