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cited-research

x402 resource x402 REST

x402.agentindex.world · x402.agentindex.world · Search & Research

Provider site ↗

Price per call 0.005 USDC per call published unit: per call

Calls · 30d 3 counted by the source, no daily split

Payers · 30d 3 distinct paying addresses seen by the source

Observed inflows · 30d — not attributable

Inflow growth · 7d — not comparable (baseline under $1 or window incomplete)

Payment evidence Attribution blocked confidence: low · read 2026-10-31

Observed inflows · last 30 days

No inflow observed in this window

The payout address is also published by 116 other service(s); the volume cannot be attributed to one of them.

Observed inflows by window for cited-research.
Window	Observed	Transfers
Last complete day (2026-10-31)	—	—
Last 7 days	—	—
Last 30 days	—	—
Growth, 7d against the 7 before	not comparable

Source: on-chain transfer scan (USDC on Base) Window: 2026-10-02 → 2026-10-31 Scanned: 30/30 days Sample: 0 days with a measurement First seen: never Last update: 2026-10-31

Daily history →. Observed transfers show value arriving at the payout address; they do not establish service revenue.

Blockchain wallets

Full addresses · public payment evidence

Receiving wallets are payment addresses published for this service. Sending wallets transferred funds to an exclusive receiving address; this alone does not prove a purchase or identify an agent.

Receiving wallets · provider payment addresses

All published receiving wallet addresses for cited-research.
Network	Full wallet address	Evidence
Base	0xb3f32bdfe8d07825bc0d7387295ab1d7559ba69d	Shared address · activity cannot be assigned to this serviceFrom source record · source: x402_bazaar

Sending wallets · observed counterparties

No sending wallet addresses have been retained for this service. Buyer wallets are unknown; daily totals and reported payer counts do not reveal their addresses.

Coverage includes retained scans only, not every historical transaction. Earlier daily totals cannot recover sender addresses. Sender lists exclude shared receiving wallets, whose transfers could belong to another service. A provider address does not establish wallet ownership.

Competitors & category benchmark

Rank the whole category →

Closest competitors Search & Research

Exa 8,652 calls · 0.007 USDC per call —
Pocket Network 5,345 calls · 0.005 USDC per call $450.15
StableTravel 4,437 calls · 0.02 USDC per call $113.65
Search 3,416 calls · 0.006 USDC per call —
Search 2,200 calls · 0.001 USDC per call —

Sorted by source-measured calls, not by our opinion. The right-hand figure is observed inflow, which stays empty for peers whose address is shared.

Category benchmark 17,332 services in this category

With a measured call count	10,602 (61.2 %)
With a published price	11,106 (64.1 %)
With attributable inflows	113 (0.7 %)
Observed inflows · 30d	$3,443.91
Median measured calls	2
Median price per call	$0.01

Similar services

All of Search & Research →

Exa x402 REST usage

Exa /search endpoint

api.exa.ai Search & Research 8,652 calls / 30d checked 2026-10-31

0.007 USDC per call per call

Pocket Network x402 REST usage

Web search built for agents, served over Pocket Network: POST /v1/search with a query and an optional max_results, and get the results back as one JSON object. Results vary run to run, as web search does. GET /v1/version...

agent.pocket.network Search & Research 5,345 calls / 30d checked 2026-10-31

0.005 USDC per call per call

StableTravel x402 REST usage

Search cached Seats.aero award availability by origin, destination, dates, cabin, carriers, and pagination.

stabletravel.dev Search & Research 4,437 calls / 30d checked 2026-10-31

0.02 USDC per call per call

Search x402 REST usage

Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Params: words, phrase, anyWords, noneWords, hashtags, from, to, mentionin...

x402.twit.sh Search & Research 3,416 calls / 30d checked 2026-10-31

0.006 USDC per call per call

Chosen by category and by whether we have measured them, not by who pays us. A sponsored placement in this list is labelled as such.

Service details, payment routes and source evidence

Where you can pay

1 route from the provider's payment requirements

Payment networks and amounts published for cited-research.
Network	Scheme	Amount	Asset
Base	exact	0.005	USDC

“exact” is the price per call. “upto” is a ceiling the client sets, not a price. Atomic amount 5000 = 0.005 USDC per call on Base.

What you can call

access: payment per call (x402)

endpoint https://x402.agentindex.world/research

Request

{
    "body": {
        "query": "What are the main features of the Rust programming language?"
    },
    "bodyType": "json",
    "method": "POST",
    "type": "http"
}

Response

{
    "example": {
        "answer": "The main features of the Rust programming language include an emphasis on performance, type safety, concurrency, and memory safety [1]. Rust supports multiple programming paradigms [1]. The language's syntax is heavily influenced by C++ and functional programming languages such as OCaml [2]. Rust has a focus on static typing and a borrow system, similar to other systems programming languages [5]. However, sources [3] and [4] do not provide information about Rust, instead discussing other programming languages, Zig and V, respectively. Overall, the sources suggest that Rust is a systems programming language with a strong focus on safety and performance [1][2][5].",
        "claims_verified": true,
        "claims_verified_reason": null,
        "query": "What are the main features of the Rust programming language?",
        "sources": [
            {
                "published_at": null,
                "source": "wikipedia",
                "title": "Rust (programming language)",
                "url": "https://en.wikipedia.org/wiki/Rust_(programming_language)"
            },
            {
                "published_at": null,
                "source": "wikipedia",
                "title": "Rust syntax",
                "url": "https://en.wikipedia.org/wiki/Rust_syntax"
            },
            {
                "published_at": null,
                "source": "wikipedia",
                "title": "Zig (programming language)",
                "url": "https://en.wikipedia.org/wiki/Zig_(programming_language)"
            },
            {
                "published_at": null,
                "source": "wikipedia",
                "title": "V (programming language)",
                "url": "https://en.wikipedia.org/wiki/V_(programming_language)"
            },
            {
                "published_at": null,
                "source": "wikipedia",
                "title": "Mojo (programming language)",
                "url": "https://en.wikipedia.org/wiki/Mojo_(programming_language)"
            }
        ],
        "synthesis": "llm",
        "timing_ms": {
            "search": 1230,
            "synthesis": 644,
            "total": 2160,
            "verify": 287
        }
    },
    "type": "json"
}

Examples are the provider's own, not a call we made.

Opportunity insights

2 findings from measured data

Payment attribution is blocked

The payout address is shared with 116 other service(s). That is normal for facilitator and platform addresses, and it is why this profile shows no inflow figure. The volume exists — it just cannot be split without inventing a rule.
How attribution works →
Category benchmark

113 of 17,332 services (0.7%) in Search & Research have attributable inflows; 10,602 have a source-measured call count. Median measured calls: 2.
Rank this category by observed inflows →

What the provider says

Jev-powered research: routed search, cited answer, claims verified against sources. Ask a question, get a 5-8 sentence answer, each claim tagged to a numbered source, built from real page content - no invented facts. A fast paid LLM writes it, under 4.5s guaranteed; on a rare miss, a no-LLM extractive fallback (top sentences from the sources, picked by Jev) takes over instead, marked "synthesis":"extractive". Try GET /research/sample.

Quoted from x402 Bazaar · source record · read 2026-10-31

Facts and where they come from

Price: 0.005 USDC per call Provider claim
Recorded value: 0.005 USDC per call.
Unit: per call
Protocol: x402, REST · transport: HTTP Provider claim
Auth: x402
Endpoint: https://x402.agentindex.world/research
Source: x402 Bazaar (Coinbase CDP) · Public discovery API (provider-published records)
Last checked: Not checked by us yet — the data is as the source published it
First seen: 2026-10-24
Usage: 3 calls · 3 unique payers in the 30 days before 2026-10-30. Measured by the x402 Bazaar, not by us and not by the provider.

Money, and what it actually proves

Verified revenue · 30d Unknown

Observed inflows · 30d —

Attribution Shared

Receipt ledger Not connected

Attribution blocked · confidence low
The payout address is also published by 116 other service(s); the volume cannot be attributed to one of them.

Why revenue is “unknown”. A revenue figure needs a receipt: an amount a buyer actually paid for this service. We hold none for this entry, and we hold no funds at all. What we have instead is an activity value of $0.02 — the source's call count multiplied by the published price. That is what the list price implies, not what anyone paid. The payout address is also published by 116 other service(s); the volume cannot be attributed to one of them.

Daily market statistics — the ledger view, day by day

No daily history has been archived for this service yet. Open the full daily history →

Payment rails

Base · exact · USDC

0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d

0.005 USDC

From source record

A payment rail is where the provider asks to be paid. It is not proof that anything was paid through it.

Provenance

One row per statement. “Verified” means we checked it ourselves and the finding is quoted. “Provider claim” means we read it in the provider's own record. “Not found” is a statement about our search, not proof of absence.

Statement	Status	What we found	Source	Checked
Endpoint	Provider claim	https://x402.agentindex.world/research Evidence Als Resource-URL im Bazaar-Eintrag geführt.	api.cdp.coinbase.com	2026-10-31
Input output	Provider claim	Request/response examples published with the listing Evidence Beispiel-Ein- und -Ausgabe stammen aus dem Bazaar-Eintrag des Anbieters.	api.cdp.coinbase.com	2026-10-31
Payment	Provider claim	1 rail: Base · payee 0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d Evidence Aus den `accepts`-Einträgen: Netzwerk, Asset, Empfängeradresse und Betrag. Die Adresse ist die Grundlage der späteren On-Chain-Zuordnung; sie ist noch nicht durch eine eigene 402-Antwort bestätigt.	api.cdp.coinbase.com	2026-10-31
Pricing	Provider claim	0.005 USDC per call Evidence Atomic amount 5000 = 0.005 USDC per call on Base. Netzwerk: Base.	api.cdp.coinbase.com	2026-10-31
Protocol	Provider claim	x402 (HTTP 402 payment challenge) Evidence Im x402 Bazaar als zahlungspflichtige HTTP-Ressource gelistet (x402Version 2, Typ http).	api.cdp.coinbase.com	2026-10-31
Provider	Provider claim	x402.agentindex.world Evidence Die Ressource wird unter diesem Host im x402 Bazaar geführt; die Angaben stammen vom Anbieter.	api.cdp.coinbase.com	2026-10-31
Usage	Verified	3 calls / 3 unique payers in the last 30 days Evidence Source-reported usage from Coinbase x402 Bazaar, read on 2026-10-31. Letzter Aufruf laut Quelle: 2026-10-20T07:40:10.359Z. Aufrufe sind kein Umsatz.	api.cdp.coinbase.com	2026-10-31

Endpoint checks

We have not called this endpoint yet. Until we do, everything above is what the source published — no more.

Price

0.005 USDC per call

price checked 2026-10-31 Open at x402.agentindex.world

You buy from the provider, not from us. This page takes no payment, holds no funds and stores no wallet keys.

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