Endpoint · evidencePOSTsecondopinionx402.com /v1/verify
Second Opinion: an independent adversarial agent attempts to refute your claim (live web research) and returns a structured verdict with citations.
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.20 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://secondopinionx402.com/v1/verify
MCP server on this host: com.secondopinionx402/second-opinion
Seen
first 34 days ago · last 13 days ago
54 free handshakes
Payment
Pays through
x402
Offered on?
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, Polygon, Base USDC
Listed on?
Polygon, Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.728 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.272: 0.072 uncertain ? + 0.200 short ? · 0.072 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 | 0.879 | 0.528 | 0 | −0.072 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.728 | gap to 1.000 = 0.272 · 0.200 short · 0.072 uncertain | 0.728 | −0.200 | −0.072 |
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 × 0.879 liveness
+ 0.200 × 1.000 price stability
= 0.728 → UNRATED: 51 of 30 paid calls weights 2026.09.6 · 51 samples · seed cap_01M1A5AA3Q8DYGW2EC020DV30E|2026-08-27T05:01:09.767Z|2026.09.6
Verify it yourself
npx teppi-check https://secondopinionx402.com/v1/verifycurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AA3Q8DYGW2EC020DV30E