TOLL

What software pays for, recorded every six hours.

Snapshot
2026-10-13 14:08 UTC
Sweep
daily-2026-10-19 · finished 2026-10-19 12:59 UTC
Listed
32,435

air quality derived

x402-seller.onrender.comSearchderived

GET https://x402-seller.onrender.com/air/quality

passlisted in Coinbase#14 by calls of 16 on this host

0.001 USDC

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

Compare with anotherEvery figure as JSONCite this page

the price, as of 2026-10-13 14:08 UTC · method · pinnable

Validation state
pass
as of 2026-10-21 08:39 UTC · method · pinnable · sweep daily-2026-10-21
Uptime, 7 / 30 / 90 days
100% / 100% / 100%
as of 2026-10-21 08:39 UTC · method · pinnable · 7 of 7 in 7d, 26 of 26 in 30d, 26 of 26 in 90d
Calls, trailing 30 days
1
as of 2026-10-13 14:08 UTC · method · pinnable
Unique payers, trailing 30 days
1
as of 2026-10-13 14:08 UTC · method · pinnable
Last called
2026-09-25 09:39 UTC
as of 2026-10-13 14:08 UTC · method · pinnable
First observed by TOLLderived
2026-09-25
as of 2026-09-25 17:09 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived
0.001 USDC
as of 2026-10-13 14:08 UTC · method · pinnable · on eip155:8453
Networks
1
as of 2026-10-13 14:08 UTC · method · pinnable

Counters

56 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 2,591 endpoints in Search 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: 1,889 in the category are counted higher and 701 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 56 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

air quality shares x402-seller.onrender.com with 15 other listed endpoints and is tied 14th by calls with 2 others.

Callers of air quality supply the query parameters lat and lng.

air quality returns json; the example shows date, hour, source, readings, stateCode, attribution and 2 others.

air quality drew a single call from a single payer in the trailing 30 days.

The last call to air quality came 18 days before the snapshot, 2026-09-25.

The declared price is 0.001 USDC on Base.

air quality takes 2% of the calls counted across x402-seller.onrender.com.

x402-seller.onrender.com serves air quality, a GET endpoint that TOLL places in search, listed in the Coinbase registry.

air quality answered the sweep of 2026-10-21 with a valid 402, as at every sweep since 2026-09-25.

Closest in price to air quality within search: weather at wallets-demo-seller-server.calebgcarithers.workers.dev and weather at wallet-services-poc-clean.3hz-services.workers.dev.

air quality is the cheapest of 2,590 comparable listings in search; none asks less.

The wallet paid by air quality is the payee of 16 endpoints on one host.

The seller's own tags are environment and weather.

The price of air quality is declared by 180 other listings in search too.

Payment options as declared

the payment options, as of 2026-10-13 14:08 UTC · method · pinnable

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.001 USDCexact0xbd61df…918639

Preflight checks at the last sweep

the checks, as of 2026-10-21 08:39 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, UTCstatefailed checkssweep
2026-10-21 08:39 UTCpass0daily-2026-10-21
2026-10-20 08:50 UTCpass0daily-2026-10-20
2026-10-19 06:25 UTCpass0daily-2026-10-19
2026-10-18 08:36 UTCpass0daily-2026-10-18
2026-10-17 18:38 UTCpass0daily-2026-10-17
2026-10-16 04:51 UTCpass0daily-2026-10-16
2026-10-15 06:26 UTCpass0daily-2026-10-15
2026-10-14 04:47 UTCpass0daily-2026-10-14
2026-10-13 09:15 UTCpass0daily-2026-10-13
2026-10-12 06:40 UTCpass0daily-2026-10-12
2026-10-11 05:03 UTCpass0daily-2026-10-11
2026-10-10 13:14 UTCpass0daily-2026-10-10
2026-10-09 05:14 UTCpass0daily-2026-10-09
2026-10-08 06:51 UTCpass0daily-2026-10-08
2026-10-07 06:06 UTCpass0daily-2026-10-07
2026-10-06 06:58 UTCpass0daily-2026-10-06
2026-10-05 06:34 UTCpass0daily-2026-10-05
2026-10-04 09:21 UTCpass0daily-2026-10-04
2026-10-03 04:30 UTCpass0daily-2026-10-03
2026-10-02 13:41 UTCpass0daily-2026-10-02
2026-10-01 06:52 UTCpass0daily-2026-10-01
2026-09-30 06:09 UTCpass0daily-2026-09-30
2026-09-29 18:29 UTCpass0daily-2026-09-29
2026-09-28 04:21 UTCpass0daily-2026-09-28
2026-09-25 20:04 UTCpass0daily-2026-09-25
2026-09-25 19:16 UTCpass0new-after-daily-2026-09-24

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 2026-09-25 09:39 UTC · method · live

The input and output block
{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "lat": "37.7749",
      "lng": "-122.4194"
    }
  },
  "output": {
    "type": "json",
    "example": {
      "date": "2026-07-16",
      "hour": 14,
      "source": "U.S. EPA AirNow",
      "readings": [
        {
          "aqi": 42,
          "category": "Good",
          "pollutant": "PM2.5"
        },
        {
          "aqi": 38,
          "category": "Good",
          "pollutant": "O3"
        }
      ],
      "stateCode": "CA",
      "attribution": "Data owned by federal, state, local, and tribal air quality agencies, distributed via the U.S. EPA AirNow program.",
      "preliminary": true,
      "reportingArea": "San Francisco"
    }
  }
}
Cite this page

The pinned URL below renders this page from the snapshot of 2026-10-13 14:08 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "air quality on x402-seller.onrender.com", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/x402-seller-onrender-com-air-quality-280f85/at/2026-10-13T14-08Z. Accessed [access date].

BibTeX

@misc{toll-e-x402-seller-onrender-com-air-quality-280f85-2026-10-13T14-08Z,
  author = {TOLL},
  title = {air quality on x402-seller.onrender.com},
  howpublished = {\url{https://tollindex.com/e/x402-seller-onrender-com-air-quality-280f85/at/2026-10-13T14-08Z}},
  year = {2026},
  month = {10},
  note = {Pinned view of the snapshot of 2026-10-13 14:08 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 air quality, 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 280f857f55d892d0af7b0a4a7fc242790472aee7d8221003219d6d4dfa98d4cd from wallet 0xbd61dfb01f81c91f02b0ccd51b0220e0c8918639

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

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