TOLL

What software pays for, recorded every six hours.

Snapshot
2026-09-15 16:57 UTC
Sweep
daily-2026-09-15 · finished 2026-09-15 07:10 UTC
Listed
16,167

x402 ping derived

gpt55.558686.xyzMarket dataderived

GET https://gpt55.558686.xyz/v1/x402-ping

passabsent from every registry#1 by calls of 7 on this host

0.002 USDC

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

Compare with anotherEvery figure as JSONCite this page

the price, as of 2026-09-11 09:22 UTC · method

Validation state
pass
as of 2026-09-11 11:47 UTC · method · sweep daily-2026-09-11
Uptime, 7 / 30 / 90 days
100% / 100% / 100%
as of 2026-09-11 11:47 UTC · method · 1 of 1 in 7d, 1 of 1 in 30d, 1 of 1 in 90d
Calls, trailing 30 days
1
as of 2026-09-11 09:22 UTC · method
Unique payers, trailing 30 days
1
as of 2026-09-11 09:22 UTC · method
Last called
2026-08-12 14:51 UTC
as of 2026-09-11 09:22 UTC · method
First observed by TOLLderived
2026-09-10
as of 2026-09-10 19:08 UTC · method · observation began 10 September 2026; listings that predate it show that date
Pricederived
0.002 USDC
as of 2026-09-11 09:22 UTC · method · on eip155:8453
Networks
2
as of 2026-09-11 09:22 UTC · method

Counters

9 observations, 1 of them a change, fewer than the 3 a trace needs

How big is this endpoint among the ones like it?

1 call100,000this endpoint
Calls counted in the trailing thirty days across the 5,172 endpoints in Market data that carry counters, binned on a logarithmic scale because the range runs over five orders of magnitude. The marked bin is this endpoint, at 1: 3,157 in the category are counted higher and 2,014 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 9 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.

In words

At gpt55.558686.xyz, x402 ping takes GET requests, is listed in neither registry at the last pull, and falls under market data by TOLL's rules.

x402 ping is priced at 0.002 USDC on Base.

The listing declares an input block with no named parameters.

For x402 ping the listing declares 3 accepts on Base and Solana, to 2 different wallets.

x402 ping returns json; the example shows ok, model and service.

On 2026-09-11 it returned a valid 402 challenge.

x402 ping is one of 7 listed endpoints on gpt55.558686.xyz, tied 1st by calls with 7 others among them.

x402 ping takes 14% of the calls counted across gpt55.558686.xyz.

In the trailing 30 days: one call, one payer.

x402 ping was last called 34 days before the snapshot.

Closest in price to x402 ping within market data: market risk at x402.ottoai.services and kimchi premium at api.printmoneylab.com.

x402 ping is priced above 10% of comparable listings in market data.

The wallet paid by x402 ping is the payee of 8 endpoints on one host.

The seller's tags on x402 ping are x402, base-usdc, health and payment.

x402 ping was missing from the Coinbase registry at the pull of 2026-09-11, confirmed at the pull of 2026-09-11; that is registry presence, not liveness.

The price of x402 ping is declared by 277 other listings in market data too.

Where the sentences above compare this endpoint with others, the comparison is against the index as it stands now, live; the figures above are final.

Payment options as declared

the payment options, as of 2026-09-11 09:22 UTC · method

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.002 USDCexact0x1f0130…f19a2f
Coinbaseeip155:8453USDC0.002 USDCexact0x1f0130…f19a2f
Coinbasesolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpUSDC0.002 USDCexact85uMvNfi…abmgwx

Preflight checks at the last sweep

the checks, as of 2026-09-11 11:47 UTC · methodendpoint answered HTTP 402

No named check failed.

Registry presence

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

  1. absence from Coinbase confirmed, rule v1
  2. absent from Coinbase at this pull
  3. listed in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-08-12 14:51 UTC · method

The input and output block
{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {}
  },
  "output": {
    "type": "json",
    "example": {
      "ok": true,
      "model": "gpt-5.6-luna",
      "service": "gpt55-token-gateway"
    }
  }
}
Cite this page

This endpoint is delisted: the page is frozen at its last observation and its live URL is the stable one. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "x402 ping on gpt55.558686.xyz". https://tollindex.com/e/gpt55-558686-xyz-v1-x402-ping-ae856a. Accessed [access date].

BibTeX

@misc{toll-e-gpt55-558686-xyz-v1-x402-ping-ae856a-2026-09-15,
  author = {TOLL},
  title = {x402 ping on gpt55.558686.xyz},
  howpublished = {\url{https://tollindex.com/e/gpt55-558686-xyz-v1-x402-ping-ae856a}},
  year = {2026},
  month = {9},
  note = {Frozen at its last observation, 2026-09-15 16:57 UTC. Accessed [access date].}
}

Reports and replies about this endpoint

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

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Verify with the payee wallet (optional, EVM)

Sign this message with the wallet named on the page and paste the signature; it is checked, stored, never published. TOLL reply about endpoint ae856ab59ec37ee9fe49192fd552075dc89e2b756b73fa9cc42350d51119709d from wallet 0x1f0130669ca6fd02e025a984cc038f139df19a2f

The 0x address named as payee on this page, 42 characters.

The hex signature of the message above, starting 0x.