Endpoint · evidenceGETnumberintel.dev /v1/attest/preflight ?target=https%3A%2F%2Fapi.example.com%2Fv1%2Fdata
x402 conformance preflight of any endpoint: parses the 402 envelope, lints accepts[] (atomic units, payTo, network), reports the quote, Bazaar extension presence and problems.
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x402 conformance preflight of any endpoint: parses the 402 envelope, lints accepts[] (atomic units, payTo, network), reports the quote, Bazaar extension presence and problems. No purchase is made.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.02 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://numberintel.dev/v1/attest/preflight?target=https%3A%2F%2Fapi.example.com%2Fv1%2Fdata
Seen
first 15 days ago · last 18 hr ago
27 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.624 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.376: 0.176 uncertain ? + 0.200 short ? · 0.026 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.707 | 0.424 | 0 | −0.176 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.624 | gap to 1.000 = 0.376 · 0.200 short · 0.176 uncertain | 0.624 | −0.200 | −0.176 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.707 liveness
+ 0.200 × 1.000 price stability
= 0.624 → UNRATED: 21 of 30 paid calls weights 2026.09.6 · 21 samples · seed cap_01M2W33A2TFZESJN51T9R78YFQ|2026-08-31T07:43:36.905Z|2026.09.6
Verify it yourself
npx teppi-check https://numberintel.dev/v1/attest/preflight?target=https%3A%2F%2Fapi.example.com%2Fv1%2Fdatacurl -s https://api.teppi.xyz/v1/trust/cap_01M2W33A2TFZESJN51T9R78YFQ