Endpoint · computeGETtoolsmith-api.dassad10.workers.dev /t/email/validate ?email=user%40example.com
Email verification and deliverability check without sending anything: syntax, MX records, disposable-domain detection (121k+ known domains), role-account and free-provider flags.
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Email verification and deliverability check without sending anything: syntax, MX records, disposable-domain detection (121k+ known domains), role-account and free-provider flags. JSON verdict with a bounce/deliverability risk level. Validate emails for signup fraud prevention, list hygiene and lead qualification. $0.004 USDC per call, pay via x402, no API key.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://toolsmith-api.dassad10.workers.dev/t/email/validate?email=user%40example.com
Seen
first 35 days ago · last 35 days ago
15 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.08.1
UN
RATED
RATED
0.670 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.330: 0.130 uncertain ? + 0.200 short ? · 0.130 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 | 1.00 | 0.784 | 0.470 | 0 | −0.130 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.670 | gap to 1.000 = 0.330 · 0.200 short · 0.130 uncertain | 0.670 | −0.200 | −0.130 |
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 × 0.784 liveness
+ 0.200 × 1.000 price stability
= 0.670 → UNRATED: 14 of 30 paid calls weights 2026.08.1 · 14 samples · seed cap_01M1A51WZWNAKKV0PY6C21ST9W|2026-08-07T13:24:12.109Z|2026.08.1
Verify it yourself
npx teppi-check https://toolsmith-api.dassad10.workers.dev/t/email/validate?email=user%40example.comcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51WZWNAKKV0PY6C21ST9W