passlisted in Coinbase#35 by calls of 43 on this host
0.02 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
- 5
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-09-08 06:18 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.02 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.
topic search is one of 43 listed endpoints on api.kadec0.xyz, tied 35th by calls with 2 others among them.
topic search takes the query parameters q and maxItems.
A response from topic search, as declared, includes count and items.
topic search drew 5 calls from 2 unique payers in the trailing 30 days.
The last call to topic search came 7 days before the snapshot, 2026-09-08.
On Base, topic search asks 0.02 USDC per call.
TOLL files topic search under search: a GET endpoint on api.kadec0.xyz, listed in the Coinbase registry.
topic search answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
Closest in price to topic search within search: reddit search at stableenrich.dev and x search at x402.botsmith.dev.
Among comparable prices in search, topic search sits above 62% of them.
topic search out-counts 78% of the 1,632 endpoints in search that carry counters.
The wallet paid by topic search is the payee of 43 endpoints on one host.
Seller tags: topic-search, field-search, research-field and paper-discovery.
The price of topic search is declared by 167 other listings in search too.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.02 USDC | exact | 0x4df66B…3AcDeA |
the checks, as of 2026-09-15 05:48 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 05:48 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 05:21 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 05:16 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 07:33 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 11:20 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 2026-09-08 06:18 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"q": "exercise science",
"maxItems": "12"
}
},
"output": {
"type": "json",
"example": {
"count": 1,
"items": [
{
"mode": "topic",
"type": "topic_search",
"count": 12,
"query": "exercise science",
"results": [
{
"type": "paper",
"year": 1998,
"title": "ACSM Position Stand...",
"clusterRole": "top_cited",
"citationCount": 3056
}
],
"routing": {
"wordCount": 2,
"confidence": 0.32,
"isQuestion": false,
"matchedVia": "works-subfield-modal",
"groundingLevel": "subfield"
},
"grounding": {
"id": "2732",
"name": "Orthopedics and Sports Medicine",
"field": "Medicine",
"level": "subfield",
"subfield": "Orthopedics and Sports Medicine"
},
"candidateTopics": [
{
"id": "T11246",
"name": "Sports injuries and prevention",
"field": "Medicine",
"share": 0.16,
"votes": 4
}
]
}
]
}
}
}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, "topic search on api.kadec0.xyz", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/api-kadec0-xyz-v1-topic-search-8cf85b/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-api-kadec0-xyz-v1-topic-search-8cf85b-2026-09-15T16-57Z,
author = {TOLL},
title = {topic search on api.kadec0.xyz},
howpublished = {\url{https://tollindex.com/e/api-kadec0-xyz-v1-topic-search-8cf85b/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.