TOLL

What software pays for, recorded every six hours.

Snapshot
2026-10-12 05:54 UTC
Sweep
daily-2026-10-11 · finished 2026-10-11 11:36 UTC
Listed
33,343

package exists derived

attester.devMarket dataderived

POST https://attester.dev/v1/package/exists

faillisted in Coinbase#1 by calls of 2 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 2026-10-12 05:54 UTC · method · pinnable

Validation state
fail
as of 2026-10-11 10:00 UTC · method · pinnable · sweep daily-2026-10-11
Uptime, 7 / 30 / 90 days
71% / 91% / 92%
as of 2026-10-11 10:00 UTC · method · pinnable · 5 of 7 in 7d, 20 of 22 in 30d, 22 of 24 in 90d
Calls, trailing 30 days
1
as of 2026-10-12 05:54 UTC · method · pinnable
Unique payers, trailing 30 days
1
as of 2026-10-12 05:54 UTC · method · pinnable
Last called
2026-09-14 19:48 UTC
as of 2026-10-12 05:54 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
0.002 USDC
as of 2026-10-12 05:54 UTC · method · pinnable · on eip155:8453
Networks
1
as of 2026-10-12 05:54 UTC · method · pinnable

Counters

119 observations, 4 of them a change

How has the volume on this endpoint moved?

123110 Sep11 Sep12 Sep13 Sep14 Sep15 Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25 Sep26 Sep27 Sep28 Sep29 Sep30 Sep1 Oct2 Oct3 Oct4 Oct5 Oct6 Oct7 Oct8 Oct9 Oct10 Oct11 Oct12 Oct
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

On 2026-10-11 it did not answer at all; TOLL records that as a failure.

attester.dev serves package exists, a POST endpoint that TOLL places in market data, listed in the Coinbase registry.

Per call, package exists declares 0.002 USDC on Base.

Its declared inputs are a json body with the fields name and ecosystem.

package exists returns json; the example shows proof, exists, latest_version and typosquat_adjacent.

package exists drew a single call from a single payer in the trailing 30 days.

The last call to package exists came 27 days before the snapshot, 2026-09-14.

With 2 endpoints listed on attester.dev, package exists is tied 1st by calls with 1 other.

package exists takes 50% of the calls counted across attester.dev.

Few comparable listings in market data ask less: 7%.

package exists sits nearest in price to responses (api.jarvisclaw.ai) and chain erc20 balance (api.onesource.io) among listings in market data.

The wallet paid by package exists is the payee of 3 endpoints on one host.

The seller's tags on package exists are oracle, packages, hallucination-check and x402, and its label is "ai".

The price of package exists is declared by 520 other listings in market data too.

Payment options as declared

the payment options, as of 2026-10-12 05:54 UTC · method · pinnable

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.002 USDCexact0x57407D…7467dD

Preflight checks at the last sweep

the checks, as of 2026-10-11 10:00 UTC · method · pinnableendpoint answered HTTP none

  • endpoint_reachable · the endpoint answered at all

Validation history, 90 days

Every sweep that observed this endpoint, newest first.

Validation observations over the last 90 days
observed, UTCstatefailed checkssweep
2026-10-11 10:00 UTCfail1daily-2026-10-11
2026-10-10 18:12 UTCpass0daily-2026-10-10
2026-10-09 11:30 UTCpass0daily-2026-10-09
2026-10-08 13:07 UTCpass0daily-2026-10-08
2026-10-07 12:21 UTCfail1daily-2026-10-07
2026-10-06 13:04 UTCpass0daily-2026-10-06
2026-10-05 11:30 UTCpass0daily-2026-10-05
2026-10-04 14:13 UTCpass0daily-2026-10-04
2026-10-03 07:34 UTCpass0daily-2026-10-03
2026-10-02 16:42 UTCpass0daily-2026-10-02
2026-10-01 09:24 UTCpass0daily-2026-10-01
2026-09-30 08:53 UTCpass0daily-2026-09-30
2026-09-29 20:58 UTCpass0daily-2026-09-29
2026-09-23 07:53 UTCpass0daily-2026-09-23
2026-09-22 08:06 UTCpass0daily-2026-09-22
2026-09-21 08:28 UTCpass0daily-2026-09-21
2026-09-19 06:27 UTCpass0daily-2026-09-19
2026-09-17 06:18 UTCpass0daily-2026-09-17
2026-09-16 06:16 UTCpass0daily-2026-09-16
2026-09-15 06:33 UTCpass0daily-2026-09-15
2026-09-14 06:02 UTCpass0daily-2026-09-14
2026-09-13 05:54 UTCpass0daily-2026-09-13
2026-09-12 08:11 UTCpass0daily-2026-09-12
2026-09-11 12:10 UTCpass0daily-2026-09-11

Registry presence

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

  1. listed in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-09-14 19:48 UTC · method · live

The input and output block
{
  "input": {
    "body": {
      "name": "requests",
      "ecosystem": "pypi"
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "proof": {
        "source_url": "https://pypi.org/project/requests/",
        "artifact_sha256": "0x…"
      },
      "exists": true,
      "latest_version": "2.32.3",
      "typosquat_adjacent": false
    }
  }
}
Cite this page

The pinned URL below renders this page from the snapshot of 2026-10-12 05:54 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "package exists on attester.dev", snapshot of 2026-10-12 05:54 UTC. https://tollindex.com/e/attester-dev-v1-package-exists-cba784/at/2026-10-12T05-54Z. Accessed [access date].

BibTeX

@misc{toll-e-attester-dev-v1-package-exists-cba784-2026-10-12T05-54Z,
  author = {TOLL},
  title = {package exists on attester.dev},
  howpublished = {\url{https://tollindex.com/e/attester-dev-v1-package-exists-cba784/at/2026-10-12T05-54Z}},
  year = {2026},
  month = {10},
  note = {Pinned view of the snapshot of 2026-10-12 05:54 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 package exists, or reply as the named seller

No account, no token. Published unedited with its outcome, upheld or not. Do not include personal data.

Kind

Published as typed. Optional.

10 to 4,000 characters.

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 cba784d5815d331a4f4857f3be8d6c487e446b0cca0130ec73ef85edc189ebe6 from wallet 0x57407D691F755cAa107647718F3582a8A87467dD

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

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