Endpoint · computeGETflat-rate-llm.kikoribera03.workers.dev /v1/red/email-check ?email=sales%40gamil.com
Scores one email address 0-100 with a verdict (ok, risky, disposable, undeliverable, invalid) and the evidence under it: every point lost is itemised with the field that proves it.
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Scores one email address 0-100 with a verdict (ok, risky, disposable, undeliverable, invalid) and the evidence under it: every point lost is itemised with the field that proves it. 12,141 disposable domains from two maintained open lists pinned to a commit, 4,897 free providers, 1,018 role names, typo fix (gmial.com > gmail.com), live MX/SPF/DMARC. No SMTP probe, no API key.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://flat-rate-llm.kikoribera03.workers.dev/v1/red/email-check?email=sales%40gamil.com
MCP server on this host: dev.workers.kikoribera03.flat-rate-llm/x402-tools
Seen
first 21 days ago · last 11 hr ago
38 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Arbitrum, Base USDC
Listed on?
Polygon, Arbitrum, Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.678 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.322: 0.102 uncertain ? + 0.220 short ? · 0.122 to B
| 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 | 0.97 | 0.797 | 0.478 | −0.020 | −0.102 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.678 | gap to 1.000 = 0.322 · 0.220 short · 0.102 uncertain | 0.678 | −0.220 | −0.102 |
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 × 0.797 liveness
+ 0.200 × 1.000 price stability
= 0.678 → UNRATED: 37 of 30 paid calls weights 2026.09.6 · 37 samples · seed cap_01M2CMNNEG6TFZKSJEDQBYHDCB|2026-09-03T06:00:39.150Z|2026.09.6
Verify it yourself
npx teppi-check https://flat-rate-llm.kikoribera03.workers.dev/v1/red/email-check?email=sales%40gamil.comcurl -s https://api.teppi.xyz/v1/trust/cap_01M2CMNNEG6TFZKSJEDQBYHDCB