Endpoint · researchGETstaging.402utils.com /v1/x402-lint ?url=https%3A%2F%2F402utils.com%2Fv1%2Frss-to-json
Lint an x402 endpoint before agents find it broken.
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Lint an x402 endpoint before agents find it broken. Probes a third-party 402 (unpaid, SSRF-checked) and audits it: description ≥450 chars (CDP silently rejects at settle → 402 {} with no charge), missing Bazaar discovery or input/output schemas, resource.url host mismatch or *.workers.dev identity, x402Version 1 (frozen), non-CAIP-2 network, unparseable amount, unknown asset, odd maxTimeoutSeconds. Returns pass/warn/fail/info checks + summary.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.003 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://staging.402utils.com/v1/x402-lint?url=https%3A%2F%2F402utils.com%2Fv1%2Frss-to-json
Seen
first 11 days ago · last 12 hr ago
10 free handshakes
Payment
Pays through
x402
Offered on?
Base Sepolia USDC
Listed on?
Base Sepolia
Score, from free handshakes onlyweights 2026.09.5
UN
RATED
RATED
0.200 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.800: 0.360 uncertain ? + 0.440 short ? · 0.250 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.60 | 0.000 | 0.000 | −0.240 | −0.360 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.200 | gap to 1.000 = 0.800 · 0.440 short · 0.360 uncertain | 0.200 | −0.440 | −0.360 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.000 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.200 → UNRATED: 5 of 30 paid calls weights 2026.09.5 · 5 samples · seed cap_01M36CNNEV2CAK3EM26GMCWWK3|2026-08-26T15:23:41.325Z|2026.09.5
Verify it yourself
npx teppi-check https://staging.402utils.com/v1/x402-lint?url=https%3A%2F%2F402utils.com%2Fv1%2Frss-to-jsoncurl -s https://api.teppi.xyz/v1/trust/cap_01M36CNNEV2CAK3EM26GMCWWK3