Endpoint · computePOSTppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws /isEmail
Email validation API.
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Email validation API. Checks whether a string is a syntactically valid email address using the same production-grade validation library trusted across the Node.js ecosystem, catching edge cases a quick regex misses. Returns true or false.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/isEmail
Seen
first 26 days ago · last 11 hr ago
48 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.722 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.278: 0.078 uncertain ? + 0.200 short ? · 0.078 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 | 0.869 | 0.522 | 0 | −0.078 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.722 | gap to 1.000 = 0.278 · 0.200 short · 0.078 uncertain | 0.722 | −0.200 | −0.078 |
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 × 0.869 liveness
+ 0.200 × 1.000 price stability
= 0.722 → UNRATED: 47 of 30 paid calls weights 2026.09.6 · 47 samples · seed cap_01M1ZRNPCCH3XS3QDX7C1HV6QX|2026-09-03T13:19:27.755Z|2026.09.6
Verify it yourself
npx teppi-check https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/isEmailcurl -s https://api.teppi.xyz/v1/trust/cap_01M1ZRNPCCH3XS3QDX7C1HV6QX