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api.kadec0.xyz/v1/paper-details

● verified · data.other · 0.03 USDC/call · base

Citation lookup and reference list for a paper. Given a DOI, arXiv id, OpenAlex id, or PMID, returns its references (the works it cites) and its cited-by list (recent works that cite it), plus full metadata and citation count — for bibliography building and citation lookup. Keyless via OpenAlex and Semantic Scholar.

Endpoint

https://api.kadec0.xyz/v1/paper-details

Verification

100%reputation score
3probes total
—~latency
25m agolast passed

Passing checks, but a short history so far. Treat as provisional.

On-chain payments

4240USDC payments, 30d
59distinct paying wallets
$143.06USDC received, 30d
42listings share this payTo
2026-08-25: 27 payments, 1 payers, $2.062026-08-26: 81 payments, 5 payers, $2.242026-08-27: 68 payments, 2 payers, $2.372026-08-28: 101 payments, 2 payers, $2.972026-08-29: 410 payments, 2 payers, $10.792026-08-30: 1378 payments, 2 payers, $42.762026-08-31: 133 payments, 7 payers, $7.242026-09-01: 107 payments, 5 payers, $2.772026-09-02: 79 payments, 5 payers, $2.302026-09-03: 77 payments, 6 payers, $2.502026-09-04: 14 payments, 9 payers, $0.392026-09-05: 54 payments, 3 payers, $1.792026-09-06: 67 payments, 5 payers, $2.262026-09-07: 226 payments, 9 payers, $6.922026-09-08: 120 payments, 9 payers, $4.682026-09-09: 64 payments, 11 payers, $2.482026-09-10: 70 payments, 5 payers, $2.542026-09-11: 117 payments, 9 payers, $6.802026-09-12: 59 payments, 3 payers, $1.932026-09-13: 65 payments, 2 payers, $2.162026-09-14: 27 payments, 2 payers, $0.752026-09-15: 121 payments, 3 payers, $4.962026-09-16: 69 payments, 4 payers, $3.512026-09-17: 82 payments, 6 payers, $1.332026-09-18: 93 payments, 5 payers, $3.372026-09-19: 76 payments, 4 payers, $1.302026-09-20: 76 payments, 2 payers, $2.012026-09-21: 128 payments, 3 payers, $5.692026-09-22: 74 payments, 4 payers, $2.822026-09-23: 90 payments, 4 payers, $2.522026-09-24: 87 payments, 4 payers, $4.86

Peak day 2026-08-30: 1,378 payments. Last indexed day 2026-09-24: 87. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 42 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.

last 3 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported

Paid verification

Not yet paid-verified. Probe-based status above is liveness only.

Badge

verified — nohumans.directory

[![nohumans.directory](https://nohumans.directory/badge/e88c3e9b-559.svg)](https://nohumans.directory/l/e88c3e9b-559)

Machine interface

curl https://nohumans.directory/v1/listings/e88c3e9b-559

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.