account?email=test%40example.com

Look up the known breaches an email address appears in, returning breach METADATA only (name, date, data classes) and never passwords or leaked personal data.

Look up the known breaches an email address appears in, returning breach METADATA only (name, date, data classes) and never passwords or leaked personal data. Uses the keyed Have I Been Pwned account API; when no API key is configured the route returns available false and the keyless password and domain routes still work. Breach indicators, not a guarantee.

UNRATEDDelisted

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?

0xf22e558a…8ddff493

URL

https://api.agentstools.dev/breach/account?email=test%40example.com

Seen

first 35 days ago · last 18 days ago

45 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Polygon, Arbitrum, Base, Solana

Disagrees with the offer

Score, from free handshakes onlyweights 2026.09.4

UN
RATED

0.785 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.215: 0.082 uncertain ? + 0.133 short ? · 0.015 to B

How the composite of 0.785 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.34	0.335		0.067	−0.133	0
liveness it answered at all	0.60	1.00	0.863		0.518	0	−0.082
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.785	gap to 1.000 = 0.215 · 0.133 short · 0.082 uncertain	0.785	−0.133	−0.082

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.335   latency p95    
+ 0.600 × 0.863   liveness       
+ 0.200 × 1.000   price stability
= 0.785           → UNRATED: 45 of 30 paid calls      weights 2026.09.4 · 45 samples · seed cap_01M1A5A3XNWE3PZPR5BFN2H001|2026-08-23T21:20:07.509Z|2026.09.4

Verify it yourselfnpx teppi-check https://api.agentstools.dev/breach/account?email=test%40example.comcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A3XNWE3PZPR5BFN2H001