pwned_check?prefix=21BD1

Check whether a password hash appears in the Have I Been Pwned breach corpus using k-anonymity: the caller sends only the first five hex characters of a SHA-1 hash, so no password…

Check whether a password hash appears in the Have I Been Pwned breach corpus using k-anonymity: the caller sends only the first five hex characters of a SHA-1 hash, so no password or full hash ever leaves the caller. Returns the matching hash range, or a breach count when an optional suffix is supplied.

UNRATEDDelisted

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?

0x8647f7d7…67973558

URL

https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/pwned_check?prefix=21BD1

Seen

first 34 days ago · last 21 days ago

40 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.3

UN
RATED

0.753 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 0.247: 0.132 uncertain ? + 0.115 short ? · 0.047 to B

How the composite of 0.753 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	0.42	0.226		0.045	−0.115	−0.040
liveness it answered at all	0.60	1.00	0.846		0.508	0	−0.092
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.753	gap to 1.000 = 0.247 · 0.115 short · 0.132 uncertain	0.753	−0.115	−0.132

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

The multiplication, written out

  0.200 × 0.226   latency p95    
+ 0.600 × 0.846   liveness       
+ 0.200 × 1.000   price stability
= 0.753           → UNRATED: 40 of 30 paid calls      weights 2026.09.3 · 40 samples · seed cap_01M1A59X9KPY4KZ7ADDTSDKT5J|2026-08-21T06:48:09.268Z|2026.09.3

Verify it yourselfnpx teppi-check https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/pwned_check?prefix=21BD1curl -s https://api.teppi.xyz/v1/trust/cap_01M1A59X9KPY4KZ7ADDTSDKT5J