Endpoint · researchGETai-data-marketplace-1042299154756.us-central1.run.app /api/v1/news_sentiment ?days=1&entity=Microsoft
Fetch recent Hacker News stories for a topic and apply a transparent keyword-lexicon sentiment score.
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/news_sentiment?days=1&entity=Microsoft
Seen
first 35 days ago · last 21 days ago
40 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.3
UN
RATED
RATED
0.770 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.230: 0.096 uncertain ? + 0.134 short ? · 0.030 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.33 | 0.313 | 0.063 | −0.134 | −0.003 | |
| liveness it answered at all |
0.60 | 1.00 | 0.846 | 0.508 | 0 | −0.092 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.770 | gap to 1.000 = 0.230 · 0.134 short · 0.096 uncertain | 0.770 | −0.134 | −0.096 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.313 latency p95
+ 0.600 × 0.846 liveness
+ 0.200 × 1.000 price stability
= 0.770 → UNRATED: 40 of 30 paid calls weights 2026.09.3 · 40 samples · seed cap_01M1A59X6C0DV07YWVHM83WNXT|2026-08-21T06:48:09.268Z|2026.09.3
Verify it yourself
npx teppi-check https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/news_sentiment?days=1&entity=Microsoftcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59X6C0DV07YWVHM83WNXT