x402 authenticity derived

api.x402intel.ukMarket data derived

GET https://api.x402intel.uk/x402-authenticity/:payTo

malformedlisted in Coinbase#1 by calls of 2 on this host

0.05 USDC

per call, as the listing declares it on eip155:8453

Compare with another Every figure as JSON Cite this page

the price, as of 2026-09-15 16:57 UTC · method · pinnable

Validation state: malformed; as of 2026-09-15 04:34 UTC · method · pinnable · sweep daily-2026-09-15
Uptime, 7 / 30 / 90 days: 0% / 0% / 0%; as of 2026-09-15 04:34 UTC · method · pinnable · 0 of 5 in 7d, 0 of 5 in 30d, 0 of 5 in 90d
Calls, trailing 30 days: 64; as of 2026-09-15 16:57 UTC · method · pinnable
Unique payers, trailing 30 days: 3; as of 2026-09-15 16:57 UTC · method · pinnable
Last called: 2026-09-07 09:04 UTC; as of 2026-09-15 16:57 UTC · method · pinnable
First observed by TOLLderived: 2026-09-10; as of 2026-09-10 19:08 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived: 0.05 USDC; as of 2026-09-15 16:57 UTC · method · pinnable · on eip155:8453
Networks: 1; as of 2026-09-15 16:57 UTC · method · pinnable

Counters

28 observations, 3 of them a change

How has the volume on this endpoint moved?

Calls counted in the trailing 30 days on this endpoint, at every snapshot since 2026-09-10. Each point is a trailing-30-day sum as the registry published it, not a daily rate. The axis is truncated to the range of the data with a break at its foot.

In words

At the sweep of 2026-09-15 it answered 402 but failed the required check parse.

For x402 authenticity the failing check asks whether the discovery extension parsed.

api.x402intel.uk serves x402 authenticity, a GET endpoint that TOLL places in market data, listed in the Coinbase registry.

Per call, x402 authenticity declares 0.05 USDC on Base.

x402 authenticity takes the path parameter payTo.

A response from x402 authenticity, as declared, includes payTo, verdict and generatedAt.

x402 authenticity drew 64 calls from 3 unique payers in the trailing 30 days, about 21 calls per payer.

x402 authenticity was last called 8 days before the snapshot.

api.x402intel.uk lists 2 endpoints; x402 authenticity is 1st by calls.

Of the calls counted across api.x402intel.uk, x402 authenticity takes 91%.

It is cheaper than 23% of comparable listings in market data.

Closest in price to x402 authenticity within market data: distribution balance exchanges relative at x402.glassnode.com and smart money netflow at api.nansen.ai.

The wallet paid by x402 authenticity is the payee of 7 endpoints across 2 hosts.

x402 authenticity out-counts 97% of the 5,172 endpoints in market data that carry counters.

The seller's tags on x402 authenticity are x402, seller-intelligence, attribution and onchain-analytics.

The price of x402 authenticity is declared by 432 other listings in market data too.

Payment options as declared

the payment options, as of 2026-09-15 16:57 UTC · method · pinnable

Every payment option declared on this listing
registry	network	asset	amount	scheme	pay to
Coinbase	eip155:8453	USDC	0.05 USDC	exact	0x7b1310…36f3E3

Preflight checks at the last sweep

the checks, as of 2026-09-15 04:34 UTC · method · pinnableendpoint answered HTTP 402

parse · the discovery extension parsed

Validation history, 90 days

Every sweep that observed this endpoint, newest first.

Validation observations over the last 90 days
observed, UTC	state	failed checks	sweep
2026-09-15 04:34 UTC	malformed	1	daily-2026-09-15
2026-09-14 04:30 UTC	malformed	1	daily-2026-09-14
2026-09-13 04:28 UTC	malformed	1	daily-2026-09-13
2026-09-12 06:44 UTC	malformed	1	daily-2026-09-12
2026-09-11 10:16 UTC	malformed	1	daily-2026-09-11

Registry presence

Presence in a registry, not liveness of the service (method). Newest first.

2026-09-10 19:08 UTClisted in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-08-26 06:42 UTC · method · live

The input and output block

{
  "input": {
    "type": "http",
    "method": "GET",
    "pathParams": {
      "payTo": "0x5a78ace5dd133316c8aaf7e156fbfc57e1209cf9"
    },
    "queryParams": {}
  },
  "output": {
    "type": "json",
    "example": {
      "payTo": "0x0000000000000000000000000000000000000000",
      "verdict": "no-activity",
      "generatedAt": "2026-07-19T00:00:00.000Z"
    }
  }
}

What the listing says

x402 seller attribution intelligence: reported calls versus catalog-attributed on-chain USDC flow, payer-address concentration and forensic signals. Attribution is not protocol or fraud proof.

the record, 2026-08-26 06:42 UTC · method · pinnable

As declared

GET
eip155:8453
USDC
exact

Every tag is a field on the listing, not a keyword TOLL assigned.

Who is paid

0x7b1310…36f3E3

Takes payment for 7 endpoints on 2 hosts.

Among Market data

counted above97%

of 5,172 that carry counters

cheaper than77%

of 5,260 with a comparable price

5,316 endpoints are in this category. 432 declare exactly this price.

the comparison, 2026-09-15 16:57 UTC · method · live

Nearest on price

distribution balance exchanges relativex402.glassnode.com0.05 USDCpass
smart money netflowapi.nansen.ai0.05 USDCpass
forecast btckronossignals.com0.05 USDCmalformed
send tokenkeyring-agent.blockchhub.link0.05 USDCpass
analyzesvm402.com0.03 USDCpass

Same category, nearest declared price, one per payee wallet (method). the list, 2026-09-15 16:57 UTC · method · live

Elsewhere in the record

Cite this page

The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "x402 authenticity on api.x402intel.uk", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/api-x402intel-uk-x402-authenticity-payto-41e7a9/at/2026-09-15T16-57Z. Accessed [access date].

BibTeX

@misc{toll-e-api-x402intel-uk-x402-authenticity-payto-41e7a9-2026-09-15T16-57Z,
  author = {TOLL},
  title = {x402 authenticity on api.x402intel.uk},
  howpublished = {\url{https://tollindex.com/e/api-x402intel-uk-x402-authenticity-payto-41e7a9/at/2026-09-15T16-57Z}},
  year = {2026},
  month = {9},
  note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}

Reports and replies about this endpoint

None yet. Anything submitted through the form below is published here with its outcome.

Report an error about x402 authenticity, or reply as the named seller