x402 check derived

horizonpulse.devInference derived

GET https://horizonpulse.dev/api/x402-check

passlisted in Coinbase#2 by calls of 14 on this host

0.01 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 2026-10-09 22:37 UTC · method · pinnable

Validation state: pass; as of 2026-10-09 07:13 UTC · method · pinnable · sweep daily-2026-10-09
Uptime, 7 / 30 / 90 days: 100% / 100% / 100%; as of 2026-10-09 07:13 UTC · method · pinnable · 7 of 7 in 7d, 10 of 10 in 30d, 10 of 10 in 90d
Calls, trailing 30 days: 4; as of 2026-10-09 22:37 UTC · method · pinnable
Unique payers, trailing 30 days: 2; as of 2026-10-09 22:37 UTC · method · pinnable
Last called: 2026-10-09 15:20 UTC; as of 2026-10-09 22:37 UTC · method · pinnable
First observed by TOLLderived: 2026-09-30; as of 2026-09-30 22:14 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived: 0.01 USDC; as of 2026-10-09 22:37 UTC · method · pinnable · on eip155:8453
Networks: 2; as of 2026-10-09 22:37 UTC · method · pinnable

Counters

27 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 2026-10-01. 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

x402 check shares horizonpulse.dev with 13 other listed endpoints and is tied 2nd by calls with 3 others.

Callers of x402 check supply the query parameters url and method.

x402 check returns json; the example shows ok, checks, isX402, method, target, accepts and 2 others.

The registry's counters give x402 check 4 calls and 2 unique payers over 30 days.

The last call to x402 check came on the day of the snapshot, 2026-10-09.

Per call, x402 check declares 0.01 USDC on Base.

x402 check takes 8% of the calls counted across horizonpulse.dev.

2 payment options span Base and Solana, to 2 different wallets.

x402 check is a GET endpoint at horizonpulse.dev, listed in the Coinbase registry and filed by TOLL under inference.

x402 check answered the sweep of 2026-10-09 with a valid 402, as at every sweep since 2026-10-01.

Closest in price to x402 check within inference: chat completions at api.gondola-ai.com and llm at agent402.tools.

x402 check is priced above 10% of comparable listings in inference.

Within inference, 93% of endpoints with counters have fewer calls.

The wallet paid by x402 check is the payee of 14 endpoints on one host.

The seller's tags on x402 check are developer-tools, x402, audit and payment-check.

The price of x402 check is declared by 9,540 other listings in inference too.

Payment options as declared

the payment options, as of 2026-10-09 22:37 UTC · method · pinnable

Every payment option declared on this listing
registry	network	asset	amount	scheme	pay to
Coinbase	eip155:8453	USDC	0.01 USDC	exact	0x5b32c9…9be0e9
Coinbase	solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp	USDC	0.01 USDC	exact	BjY98A6d…mBTRPz

Preflight checks at the last sweep

the checks, as of 2026-10-09 07:13 UTC · method · pinnableendpoint answered HTTP 402

No named check failed.

Validation history, 90 days

Every sweep that observed this endpoint, newest first.

Validation observations over the last 90 days
observed, UTC	state	sweep
2026-10-09 07:13 UTC	pass	daily-2026-10-09
2026-10-08 08:42 UTC	pass	daily-2026-10-08
2026-10-07 07:58 UTC	pass	daily-2026-10-07
2026-10-06 08:48 UTC	pass	daily-2026-10-06
2026-10-05 08:00 UTC	pass	daily-2026-10-05
2026-10-04 10:32 UTC	pass	daily-2026-10-04
2026-10-03 05:28 UTC	pass	daily-2026-10-03
2026-10-02 14:41 UTC	pass	daily-2026-10-02
2026-10-01 07:37 UTC	pass	daily-2026-10-01
2026-10-01 06:05 UTC	pass	new-after-daily-2026-09-30

Registry presence

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

2026-09-30 22:14 UTClisted in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-10-09 15:20 UTC · method · live

The input and output block

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "url": "https://horizonpulse.dev/api/pulse",
      "method": "GET"
    }
  },
  "output": {
    "type": "json",
    "example": {
      "ok": true,
      "checks": [
        {
          "id": "status_402",
          "level": "pass"
        },
        {
          "id": "challenge",
          "level": "pass"
        },
        {
          "id": "version",
          "level": "pass"
        },
        {
          "id": "payto_type",
          "level": "info"
        },
        {
          "id": "discovery",
          "level": "pass"
        }
      ],
      "isX402": true,
      "method": "GET",
      "target": "https://horizonpulse.dev/api/pulse",
      "accepts": [
        {
          "payTo": "0x5b32c973596078a967562ca652761404f19be0e9",
          "network": "eip155:8453",
          "amountUsd": "$0.005",
          "payToType": "eoa",
          "assetLabel": "USDC (Base)"
        }
      ],
      "summary": {
        "fail": 0,
        "pass": 4,
        "warn": 0
      },
      "discovery": {
        "method": "GET",
        "present": true,
        "hasInputSchema": true,
        "hasOutputExample": true
      },
      "elapsedMs": 201,
      "httpStatus": 402,
      "x402Version": 2,
      "challengeSource": "header"
    }
  }
}

What the listing says

x402 developer tool. Use before paying an unknown x402 endpoint, or to debug your own. GET with required url (optional method GET/POST, body JSON for POST probes). Sends one unpaid request and never pays. Returns JSON: httpStatus, isX402, x402Version, decoded accepts (network, asset label, amount in USD, payTo and whether payTo is an EOA or contract), discovery metadata presence, and pass/warn/fail checks with a summary. Private targets are blocked. Errors are not charged.

the record, 2026-10-09 15:20 UTC · method · pinnable

As declared

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

Who is paid

0x5b32c9…9be0e9

Takes payment for 14 endpoints on 1 host.

Among Inference

counted above93%

of 11,423 that carry counters

cheaper than10%

of 11,527 with a comparable price

11,979 endpoints are in this category. 9,540 declare exactly this price.

the comparison, 2026-10-09 22:37 UTC · method · live

Nearest on price

chat completionsapi.gondola-ai.com0.01 USDCpass
llmagent402.tools0.01 USDCpass
councilcouncil.cyberwarex.com0.01 USDCpass
ai newsapi.losbeto.xyz0.01 USDCpass
agent analyseapi.zendiq.ai0.01 USDCpass

Same category, nearest declared price, one per payee wallet (method). the list, 2026-10-09 22:37 UTC · method · live

Elsewhere in the record

Cite this page

The pinned URL below renders this page from the snapshot of 2026-10-09 22:37 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 check on horizonpulse.dev", snapshot of 2026-10-09 22:37 UTC. https://tollindex.com/e/horizonpulse-dev-api-x402-check-586e15/at/2026-10-09T22-37Z. Accessed [access date].

BibTeX

@misc{toll-e-horizonpulse-dev-api-x402-check-586e15-2026-10-09T22-37Z,
  author = {TOLL},
  title = {x402 check on horizonpulse.dev},
  howpublished = {\url{https://tollindex.com/e/horizonpulse-dev-api-x402-check-586e15/at/2026-10-09T22-37Z}},
  year = {2026},
  month = {10},
  note = {Pinned view of the snapshot of 2026-10-09 22:37 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 check, or reply as the named seller