Endpoint · computePOSTagentshelf.syntexa.ch /v1/check-card-any
Call when an agent needs whether a card-shaped number passes Luhn.
Read more
Call when an agent needs whether a card-shaped number passes Luhn. Nothing is stored. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-card-any first.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.006 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://agentshelf.syntexa.ch/v1/check-card-any
Seen
first 10 days ago · last 4 days ago
17 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.752 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 0.248: 0.236 uncertain ? + 0.012 short ? · 0.048 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.616 | 0.370 | 0 | −0.230 | |
| latency p95 it answered as fast as its class |
0.20 | 0.94 | 0.914 | 0.183 | −0.012 | −0.005 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.752 | gap to 1.000 = 0.248 · 0.012 short · 0.236 uncertain | 0.752 | −0.012 | −0.236 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.616 liveness
+ 0.200 × 0.914 latency p95
+ 0.200 × 1.000 price stability
= 0.752 → UNRATED: 16 of 30 paid calls weights 2026.09.6 · 16 samples · seed cap_01M38Z3N5H3B6G7WVXY3T9DHJ1|2026-09-03T14:54:35.249Z|2026.09.6
Verify it yourself
npx teppi-check https://agentshelf.syntexa.ch/v1/check-card-anycurl -s https://api.teppi.xyz/v1/trust/cap_01M38Z3N5H3B6G7WVXY3T9DHJ1