Agent Exchange x402 census and directory

x402 census · search.openverbs.com · d0083362f7b4 · JSON

POST /v1/scholar

unprobed

Scholarly search API - academic papers and research articles for a query, powered by OpenAlex. Returns ranked works with title, authors, year, venue, DOI, citation count and open-access status. A google-scholar-style research / scholarly articles search for agents. Data source: OpenAlex (CC0).

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://search.openverbs.com/v1/scholar
MethodPOST
Price$0.006 USDC = 6000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A
Sellersearch.openverbs.com
Catalogscdp (row updated 2026-09-20)
Listed since (lower bound)2026-09-20 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-20
CDP quality counters2 calls and 1 unique payers in 30 days, last call 2026-09-20 (catalog-reported, not verified on chain)
Category (keyword rule)research/reports
Templated pathno
x402Version in catalog2
Service name / tags · scholar, academic-search, research-papers, scholarly-articles, google-scholar

Unpaid probe (census of )

FieldValue
Probenot probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

FieldValue
Distinct payers5
Payments197
USDC volume$1.35
Median payment$0.01
First / last payment2026-09-09 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "limit": 1,
   "q": "example"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "results": [
    {
     "authors": [
      "Fabian Pedregosa",
      "Gaël Varoquaux",
      "Alexandre Gramfort"
     ],
     "citations": 78542,
     "doi": "https://doi.org/10.5555/1953048.2078195",
     "openAccess": true,
     "rank": 1,
     "title": "Scikit-learn: Machine Learning in Python",
     "type": "article",
     "url": "https://jmlr.org/papers/v12/pedregosa11a.html",
     "venue": "Journal of Machine Learning Research",
     "year": 2011
    }
   ],
   "total": 6058246
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://search.openverbs.com/v1/scholar' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/d0083362f7b4/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"d0083362f7b4"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on search.openverbs.com.