Endpoint · lookupGETx402.shortforge.dev /x402/probe ?url=https%3A%2F%2Fapi.example.com
Given any public HTTP(S) URL, returns a measured liveness verdict - LIVE, PAUSED, GATED, CHALLENGED, DEGRADED, DEAD or UNKNOWN - with every reason carrying the source it was read…
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Given any public HTTP(S) URL, returns a measured liveness verdict - LIVE, PAUSED, GATED, CHALLENGED, DEGRADED, DEAD or UNKNOWN - with every reason carrying the source it was read from. The point is the case a status check misses: a front door answering 200 over a back end that stopped. Also sold at this origin: good ($149.00, POST /x402/good) - The x402 rail, ninety days - framed print, 24 x 36 in; census ($100.00, GET /x402/census) - The x402 rail census, ninety days, whole.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://x402.shortforge.dev/x402/probe?url=https%3A%2F%2Fapi.example.com
Seen
first 18 days ago · last 1 day ago
32 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.611 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.389: 0.169 uncertain ? + 0.220 short ? · 0.039 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 | 0.97 | 0.685 | 0.411 | −0.020 | −0.169 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.611 | gap to 1.000 = 0.389 · 0.220 short · 0.169 uncertain | 0.611 | −0.220 | −0.169 |
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 × 0.685 liveness
+ 0.200 × 1.000 price stability
= 0.611 → UNRATED: 24 of 30 paid calls weights 2026.09.6 · 24 samples · seed cap_01M2MBWN8CTGMVV2K2C2XQFP8C|2026-08-29T14:19:10.619Z|2026.09.6
Verify it yourself
npx teppi-check https://x402.shortforge.dev/x402/probe?url=https%3A%2F%2Fapi.example.comcurl -s https://api.teppi.xyz/v1/trust/cap_01M2MBWN8CTGMVV2K2C2XQFP8C