Endpoint · computeGETvendsdk.com /api/v/email-validate ?email=test%40gmail.com
Validate email format, disposable-domain heuristics, and live DNS MX records via DoH for outreach and lead-gen agents
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.004 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://vendsdk.com/api/v/email-validate?email=test%40gmail.com
Seen
first 34 days ago · last 1 day 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
RATED
0.697 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.303: 0.106 uncertain ? + 0.197 short ? · 0.103 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.12 | 0.000 | 0.000 | −0.175 | −0.025 | |
| liveness it answered at all |
0.60 | 0.96 | 0.828 | 0.497 | −0.022 | −0.081 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.697 | gap to 1.000 = 0.303 · 0.197 short · 0.106 uncertain | 0.697 | −0.197 | −0.106 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.828 liveness
+ 0.200 × 1.000 price stability
= 0.697 → UNRATED: 56 of 30 paid calls weights 2026.09.6 · 56 samples · seed cap_01M1A5AA653MSC7JGCX36F2H3Z|2026-09-03T21:43:19.258Z|2026.09.6
Verify it yourself
npx teppi-check https://vendsdk.com/api/v/email-validate?email=test%40gmail.comcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AA653MSC7JGCX36F2H3Z