Endpoint · computePOSTpreflight.openverbs.com /v1/inspect
Fetch any URL and, without paying, decode its x402 402 Payment Required challenge: price (atomic and formatted for known stablecoins), asset, network, payTo, resource…
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Fetch any URL and, without paying, decode its x402 402 Payment Required challenge: price (atomic and formatted for known stablecoins), asset, network, payTo, resource, description, timeout and any input schema. Flags MPP and Bazaar discovery extensions. Returns free:true when no payment is needed. SSRF-hardened: public hosts only; private, loopback, link-local and cloud-metadata addresses are rejected.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://preflight.openverbs.com/v1/inspect
Seen
first 28 days ago · last 13 hr ago
51 free handshakes
Payment
Pays through
x402 · MPP evm, tempo
Offered on?
Base USDC, Tempo 0x8335…2913
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.726 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.274: 0.074 uncertain ? + 0.200 short ? · 0.074 to B
| 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 | 0.877 | 0.526 | 0 | −0.074 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.726 | gap to 1.000 = 0.274 · 0.200 short · 0.074 uncertain | 0.726 | −0.200 | −0.074 |
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 × 0.877 liveness
+ 0.200 × 1.000 price stability
= 0.726 → UNRATED: 50 of 30 paid calls weights 2026.09.6 · 50 samples · seed cap_01M1VG5AEHPBTX6K0VQKH8AKED|2026-09-03T11:45:07.927Z|2026.09.6
Verify it yourself
npx teppi-check https://preflight.openverbs.com/v1/inspectcurl -s https://api.teppi.xyz/v1/trust/cap_01M1VG5AEHPBTX6K0VQKH8AKED