x402 census · apexfaucet.xyz · cb64dbfb8b15 · JSON
GET /api/x402/research-search
unprobed
Search Wikipedia, Wikivoyage, Wiktionary, arXiv, OpenAlex, Hacker News and Stack Overflow in one call. Research search in one call: Wikipedia, Wikivoyage (travel guides), Wiktionary (meanings, translations), PsychonautWiki (harm reduction: name a substance and the answer leads with dose ranges, duration and dangerous combinations), arXiv, OpenAlex (300M+ scholarly works, counted 30 Sep), Hacker N…
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://apexfaucet.xyz/api/x402/research-search |
| Method | GET |
| Price | $0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts eip155:5042, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0xd334ab5151c624cada654854e2879903dc4217ed |
| Seller | apexfaucet.xyz |
| Catalogs | cdp (row updated 2026-09-30) |
| Listed since (lower bound) | 2026-09-30 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-30 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain) |
| Category (keyword rule) | news/social |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Search: wiki, travel, papers, HN · search, research, travel, papers, wikipedia |
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 | 3 |
| Payments | 50 |
| USDC volume | $1.45 |
| Median payment | n/a |
| First / last payment | 2026-09-27 / 2026-09-30 |
| Sampler-shaped share of payments | n/a |
| Payers that are not samplers | n/a |
| Source | blockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total |
| Address | 0xd334ab5151c624cada654854e2879903dc4217ed |
Declared input and output (extensions.bazaar)
{
"input": {
"discoverable": true,
"method": "GET",
"queryParams": {
"limit": "5",
"q": "x402 payment protocol",
"sources": "arxiv,openalex"
},
"type": "http"
},
"output": {
"type": "json",
"example": {
"data": {},
"ok": true,
"paid": 0.003
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://apexfaucet.xyz/api/x402/research-search' -H 'accept: application/json'
The catalog declares GET. 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/cb64dbfb8b15/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"cb64dbfb8b15"} 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 apexfaucet.xyz.