passlisted in Coinbase#1 by calls of 8 on this host
0.005 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 6
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-04 01:27 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.005 USDC
- Networks
- 1
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 28 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
verify citation answers POST requests at goodsong.dev; it is listed in the Coinbase registry and TOLL files it under identity.
verify citation is priced at 0.005 USDC on Base.
The request to verify citation is a json body with the fields doi and title.
A response from verify citation, as declared, includes cost, checks, verdict, evidence, canonical and latency_ms.
verify citation answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
Of goodsong.dev's 8 listings, verify citation ranks tied 1st by calls with 1 other.
19% of the host's counted calls go to it.
verify citation drew 6 calls from one payer in the trailing 30 days.
The last call to verify citation came 12 days before the snapshot, 2026-09-04.
Closest in price to verify citation within identity: screen at sanctions.nsgoods.org and my usage at agent402.tools.
verify citation is priced above 20% of comparable listings in identity.
Within identity, 87% of endpoints with counters have fewer calls.
The wallet paid by verify citation is the payee of 8 endpoints on one host.
The seller's tags on verify citation are citation, fact-check, hallucination and retraction.
128 other listings in identity declare exactly the same price.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.005 USDC | exact | 0xf3b36a…e58de1 |
the checks, as of 2026-09-15 04:37 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 04:37 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:33 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:32 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 06:47 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 10:21 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-04 01:27 UTC · method · live
The input and output block
{
"input": {
"body": {
"doi": "10.1126/science.1260419",
"title": "Tissue-based map of the human proteome"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"cost": {
"amount": "0.005",
"currency": "USDC"
},
"checks": {
"exists": true,
"retracted": false,
"year_match": true,
"title_match": true,
"authors_match": true,
"journal_match": null
},
"verdict": "confirmed",
"evidence": [
{
"url": "https://api.crossref.org/works/10.1126/science.1260419",
"source": "crossref",
"retrieved_at": "2026-08-30T12:00:00Z"
}
],
"canonical": {
"doi": "10.1126/science.1260419",
"year": 2015,
"title": "Tissue-based map of the human proteome",
"authors": [
"Mathias Uhlén",
"Linn Fagerberg"
],
"journal": "Science",
"year_candidates": [
2015
]
},
"latency_ms": 312
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "verify citation on goodsong.dev", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/goodsong-dev-verify-citation-478e70/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-goodsong-dev-verify-citation-478e70-2026-09-15T16-57Z,
author = {TOLL},
title = {verify citation on goodsong.dev},
howpublished = {\url{https://tollindex.com/e/goodsong-dev-verify-citation-478e70/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.