x402 census · agentdata-api.sander-van-aard.workers.dev · c8d354738d40 · JSON
POST /web/scholar
unprobed
Google Scholar search (papers with citation counts) for AI agents at $0.020 per call, from the same Serper.dev source as /web/search. Send a query, get back compact JSON: top papers with position, title, url, publication info, snippet, year and citation count. Tune with num (1-10 results), country and language (2-letter codes). Zero results is a valid, honest answer. Pay per call in USDC on Base,…
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
| Field | Value |
|---|---|
| URL | https://agentdata-api.sander-van-aard.workers.dev/web/scholar |
| Method | POST |
| Price | $0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xb0ae6a9bd7a573ddda58db6c28622417e8ca2099 |
| Seller | agentdata-api.sander-van-aard.workers.dev |
| Catalogs | cdp (row updated 2026-09-20) |
| Listed since (lower bound) | 2026-09-20 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-20 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-20 (catalog-reported, not verified on chain) |
| Category (keyword rule) | dev-tools/utilities |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not 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)
| Field | Value |
|---|---|
| Distinct payers | 5 |
| Payments | 10 |
| USDC volume | $0.06 |
| Median payment | $0.004 |
| First / last payment | 2026-07-26 / 2026-09-06 |
| Sampler-shaped share of payments | 90.0% |
| Payers that are not samplers | 1 |
| Source | forensics-2026-09-30 |
| Address | 0xb0ae6a9bd7a573ddda58db6c28622417e8ca2099 (contract: EIP7702Proxy) |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"num": 5,
"query": "example research topic"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"checked_at": "2026-07-30T08:00:00.000Z",
"query": "example research topic",
"results": [
{
"cited_by": 42,
"position": 1,
"publication_info": "J Doe, 2023 - Example Journal",
"snippet": "Short snippet of the abstract.",
"title": "Example paper title",
"url": "https://example.com/paper",
"year": 2023
}
]
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://agentdata-api.sander-van-aard.workers.dev/web/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/c8d354738d40/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c8d354738d40"} 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 agentdata-api.sander-van-aard.workers.dev.