Endpoint · evidencePOSTcrosscheckapi.com /v1/check
Fact-check and review an AI agent's draft before a human sees it: a hallucination check and second opinion on any email, report, summary, or PR description.
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Fact-check and review an AI agent's draft before a human sees it: a hallucination check and second opinion on any email, report, summary, or PR description. Returns pass or specific issues with fixes. Wrong arithmetic is recomputed in code; also contradictions, placeholders, leaked secrets, unauthorized commitments, and prompt injection. Send sources to verify citations and claims against them. Signed receipt. $0.02.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?
Seen
first 10 days ago · last 14 hr ago
31 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Base Sepolia
Listed on?
Base, Base Sepolia
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.652 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.348: 0.148 uncertain ? + 0.200 short ? · 0.148 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 | 0.754 | 0.452 | 0 | −0.148 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.652 | gap to 1.000 = 0.348 · 0.200 short · 0.148 uncertain | 0.652 | −0.200 | −0.148 |
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 × 0.754 liveness
+ 0.200 × 1.000 price stability
= 0.652 → UNRATED: 25 of 30 paid calls weights 2026.09.6 · 25 samples · seed cap_01M38Z42R8GSRK9AF5E6AM6976|2026-09-01T19:51:53.781Z|2026.09.6
Verify it yourself
npx teppi-check https://crosscheckapi.com/v1/checkcurl -s https://api.teppi.xyz/v1/trust/cap_01M38Z42R8GSRK9AF5E6AM6976