Exa x402 REST usage
Exa /search endpoint
0.007 USDC per call
per call
← All services
Daily transfers, volume and coverage →
Otto AI
x402 resource x402 RESTx402.ottoai.services · x402.ottoai.services · Search & Research
Importance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.
Price per call
0.001 USDC per call
published unit: per call
Calls · 30d
828
counted by the source, no daily split
Payers · 30d
55
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 2 other service(s); the volume cannot be attributed to one of them.
| Window | Observed | Transfers |
|---|---|---|
| Last complete day (2026-10-30) | — | — |
| Last 7 days | — | — |
| Last 30 days | — | — |
| Growth, 7d against the 7 before | not comparable | |
Daily history →. Observed transfers show value arriving at the payout address; they do not establish service revenue.
Blockchain wallets
Full addresses · public payment evidenceReceiving 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
| Network | Full wallet address | Evidence |
|---|---|---|
| Base | 0x0e84ddedaae6a779c462c22a59f301ec31b6b808 | Shared address · activity cannot be assigned to this serviceFrom source record · source: x402_bazaar |
| Solana | 6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5 | 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 8,718 calls · 0.007 USDC per call —
- Pocket Network 5,260 calls · 0.005 USDC per call $432.22
- StableTravel 4,447 calls · 0.02 USDC per call $118.87
- Search 3,400 calls · 0.006 USDC per call —
- Search 2,211 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
17,230 services in this category
| With a measured call count | 10,506 (61.0 %) |
|---|---|
| With a published price | 11,004 (63.9 %) |
| With attributable inflows | 112 (0.7 %) |
| Observed inflows · 30d | $3,430.69 |
| Median measured calls | 2 |
| Median price per call | $0.01 |
Similar services
All of Search & Research →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...
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.
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...
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
2 routes from the provider's payment requirements| Network | Scheme | Amount | Asset |
|---|---|---|---|
| Base | exact | 0.005 | USDC |
| Solana | exact | 0.005 | USDC |
“exact” is the price per call. “upto” is a ceiling the client sets, not a price. Atomic amount 1000 = 0.001 USDC per call on Base. 2 payment options published.
What you can call
access: payment per call (x402)endpoint
https://x402.ottoai.services/crypto-news
Request
{
"method": "GET",
"queryParams": [],
"type": "http"
}
Response
{
"example": {
"data": {
"headlines": [
{
"match": "exact",
"publishedAt": "2026-09-02T07:59:43.000Z",
"rank": 1,
"source": "Cointelegraph",
"title": "Bitcoin ETFs notch best month of 2026 as BTC gains 25% in August",
"url": "https://cointelegraph.com/markets/bitcoin-etf-best-month-2026-btc-up-25-august",
"whyItMatters": "ETF flows are the strongest near-term driver of institutional participation."
}
],
"report": "Latest crypto news..."
},
"meta": {
"dataAsOf": "2026-08-10T08:00:00.000Z",
"degraded": false,
"freshness": "fresh",
"generatedAt": "2026-08-10T12:00:00.000Z",
"sourceHealth": {
"crypto-news-cache": "ok"
},
"stalenessSec": 1739
},
"status": "success"
},
"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 2 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
112 of 17,230 services (0.7%) in Search & Research have attributable inflows; 10,506 have a source-measured call count. Median measured calls: 2.
Rank this category by observed inflows →
What the provider says
Importance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.
Quoted from x402 Bazaar · source record · read 2026-10-31
Facts and where they come from
- Price
-
0.001 USDC per call
Provider claim
Recorded value: 0.005 USDC per call.
- Unit
- per call
- Protocol
- x402, REST · transport: HTTP Provider claim
- Auth
- x402
- 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
- 828 calls · 55 unique payers in the 30 days before 2026-10-31. 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 2 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 $0.83 — 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 2 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
0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808
0.005 USDC
From source record
Solana
· exact · USDC
6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5
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.ottoai.services/midterms-alpha
EvidenceAls Resource-URL im Bazaar-Eintrag geführt. |
api.cdp.coinbase.com | 2026-10-31 |
| Input output | Provider claim |
Request/response examples published with the listing
EvidenceBeispiel-Ein- und -Ausgabe stammen aus dem Bazaar-Eintrag des Anbieters. |
api.cdp.coinbase.com | 2026-10-31 |
| Payment | Provider claim |
2 rails: Base, Solana · payee 0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808
EvidenceAus 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
EvidenceAtomic amount 5000 = 0.005 USDC per call on Base. 2 payment options published. Netzwerk: Base, Solana. |
api.cdp.coinbase.com | 2026-10-31 |
| Protocol | Provider claim |
x402 (HTTP 402 payment challenge)
EvidenceIm x402 Bazaar als zahlungspflichtige HTTP-Ressource gelistet (x402Version 2, Typ http). |
api.cdp.coinbase.com | 2026-10-31 |
| Provider | Provider claim |
x402.ottoai.services
EvidenceDie Ressource wird unter diesem Host im x402 Bazaar geführt; die Angaben stammen vom Anbieter. |
api.cdp.coinbase.com | 2026-10-31 |
| Usage | Verified |
1 calls / 1 unique payers in the last 30 days
EvidenceSource-reported usage from Coinbase x402 Bazaar, read on 2026-10-31. Letzter Aufruf laut Quelle: 2026-10-31T10:44:35.696Z. 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.