Endpoint · computeGETapi.sitecheck-api.workers.dev /api/email-check ?email=john.smith%40gmial.com
E-mail pre-check without SMTP: syntax, whether the domain can receive mail (MX or implicit MX, null MX, non-existent domain), disposable domain (9,000+ domain CC0 list), role…
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E-mail pre-check without SMTP: syntax, whether the domain can receive mail (MX or implicit MX, null MX, non-existent domain), disposable domain (9,000+ domain CC0 list), role account (info@, sales@...), free provider and a typo suggestion (gmial.com -> gmail.com). Verdict invalid / risky / unknown. Up to 50 addresses per call with emails=.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.001 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.sitecheck-api.workers.dev/api/email-check?email=john.smith%40gmial.com
MCP server on this host: io.github.bck-stack/sitecheck
Seen
first 14 days ago · last 16 hr ago
14 free handshakes
Payment
Pays through
x402
Offered on?
Arc, Base USDC, Solana, xrpl:0
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.516 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 0.484: 0.284 uncertain ? + 0.200 short ? · 0.134 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.527 | 0.316 | 0 | −0.284 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.516 | gap to 1.000 = 0.484 · 0.200 short · 0.284 uncertain | 0.516 | −0.200 | −0.284 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.527 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.516 → UNRATED: 13 of 30 paid calls weights 2026.09.6 · 13 samples · seed cap_01M4FK5NG5YP32NRREVGGN0CQY|2026-09-21T16:45:07.139Z|2026.09.6
Verify it yourself
npx teppi-check https://api.sitecheck-api.workers.dev/api/email-check?email=john.smith%40gmial.comcurl -s https://api.teppi.xyz/v1/trust/cap_01M4FK5NG5YP32NRREVGGN0CQY