Endpoint · computeGETdata.greeneris.io /v1/books/isbn ?isbn=9780140328721
Resolves an ISBN-10 or ISBN-13 to a normalized bibliographic record from Open Library (Internet Archive): title, authors, publishers, publish date, page count, ISBN identifiers…
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Resolves an ISBN-10 or ISBN-13 to a normalized bibliographic record from Open Library (Internet Archive): title, authors, publishers, publish date, page count, ISBN identifiers, subjects and cover image URL. Query: ?isbn=9780140328721 (hyphens/spaces tolerated). Unknown ISBNs return 400 (not charged). 7-day cache. Built for catalog management, e-commerce listings and used-book pricing agents.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://data.greeneris.io/v1/books/isbn?isbn=9780140328721
MCP server on this host: io.github.contentfactory/eu-verify
Seen
first 34 days ago · last 12 hr ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Handshakescomputed 2 days ago
0.797 from 58 free handshakes over 30 days · UNRATED ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.32 | 0.305 | 0.061 | −0.137 | −0.002 | |
| liveness it answered at all |
0.60 | 1.00 | 0.894 | 0.536 | 0 | −0.064 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.797 | gap to 1.000 = 0.203 · 0.137 short · 0.066 uncertain | 0.797 | −0.137 | −0.066 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
BURN_INFREE_TIER_ONLY
Verify it yourself
npx teppi-check https://data.greeneris.io/v1/books/isbn?isbn=9780140328721curl -s https://api.teppi.xyz/v1/trust/cap_01M1A59Y8YG5T3D3TPMQBA2KKJ