Endpoint · evidenceGETapi.agentstools.dev /scholar/paper ?doi=10.1038%2Fnature14539
Resolve one research paper and fuse its metadata across OpenAlex, Crossref, Unpaywall and Semantic Scholar into a single cited JSON.
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Resolve one research paper and fuse its metadata across OpenAlex, Crossref, Unpaywall and Semantic Scholar into a single cited JSON. Give a doi, arxiv, pmid, pmcid, openalex_id or title and get canonical metadata, authors with ORCID and affiliations, venue, citation counts, an open-access PDF link and a full id crosswalk.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?
URL
https://api.agentstools.dev/scholar/paper?doi=10.1038%2Fnature14539
Seen
first 34 days ago · last 12 hr ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.820 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.180: 0.133 uncertain ? + 0.047 short ? · 0.080 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.76 | 0.429 | 0.086 | −0.047 | −0.067 | |
| liveness it answered at all |
0.60 | 1.00 | 0.890 | 0.534 | 0 | −0.066 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.820 | gap to 1.000 = 0.180 · 0.047 short · 0.133 uncertain | 0.820 | −0.047 | −0.133 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.429 latency p95
+ 0.600 × 0.890 liveness
+ 0.200 × 1.000 price stability
= 0.820 → UNRATED: 56 of 30 paid calls weights 2026.09.6 · 56 samples · seed cap_01M1A5A3VXES4080JMGC4AY5Y2|2026-09-03T21:43:19.258Z|2026.09.6
Verify it yourself
npx teppi-check https://api.agentstools.dev/scholar/paper?doi=10.1038%2Fnature14539curl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A3VXES4080JMGC4AY5Y2