Endpoint · computePOSTagentshelf.syntexa.ch /v1/hmac-sha224-hex
Call when an agent needs an HMAC-sha224 of text with a caller-supplied key, encoded as hex.
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Call when an agent needs an HMAC-sha224 of text with a caller-supplied key, encoded as hex. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/hmac-sha224-hex first.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://agentshelf.syntexa.ch/v1/hmac-sha224-hex
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
0.743 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 0.257: 0.230 uncertain ? + 0.027 short ? · 0.057 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 | 0.87 | 0.866 | 0.173 | −0.027 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.743 | gap to 1.000 = 0.257 · 0.027 short · 0.230 uncertain | 0.743 | −0.027 | −0.230 |
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 × 0.866 latency p95
+ 0.200 × 1.000 price stability
= 0.743 → UNRATED: 16 of 30 paid calls weights 2026.09.6 · 16 samples · seed cap_01M38Z3PVG8DEA74C743TR6VNX|2026-09-03T14:54:35.249Z|2026.09.6
Verify it yourself
npx teppi-check https://agentshelf.syntexa.ch/v1/hmac-sha224-hexcurl -s https://api.teppi.xyz/v1/trust/cap_01M38Z3PVG8DEA74C743TR6VNX