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

air quality derived

ai-data-marketplace-1042299154756.us-central1.run.appInferencederived

GET https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/air_quality

passabsent from every registry#19 by calls of 21 on this host

0.02 USDC

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

Compare with anotherEvery figure as JSONCite this page

the price, as of 2026-09-13 04:45 UTC · method

Validation state
pass
as of 2026-09-13 04:09 UTC · method · sweep daily-2026-09-13
Uptime, 7 / 30 / 90 days
100% / 100% / 100%
as of 2026-09-13 04:09 UTC · method · 3 of 3 in 7d, 3 of 3 in 30d, 3 of 3 in 90d
Calls, trailing 30 days
1
as of 2026-09-13 04:45 UTC · method
Unique payers, trailing 30 days
1
as of 2026-09-13 04:45 UTC · method
Last called
2026-08-14 09:28 UTC
as of 2026-09-13 04:45 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
0.02 USDC
as of 2026-09-13 04:45 UTC · method · on eip155:8453
Networks
1
as of 2026-09-13 04:45 UTC · method

Counters

19 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 2,297 endpoints in Inference 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: 1,008 in the category are counted higher and 1,288 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 19 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 is one of 21 listed endpoints on ai-data-marketplace-1042299154756.us-central1.run.app, tied 19th by calls with 3 others among them.

air quality takes the query parameter city.

The declared response carries units, source, current, success, location, fetched_at and 1 other.

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

The last call to air quality came 32 days before the snapshot, 2026-08-14.

Each call is priced at 0.02 USDC, payable on Base.

air quality takes 1% of the calls counted across ai-data-marketplace-1042299154756.us-central1.run.app.

TOLL files air quality under inference: a GET endpoint on ai-data-marketplace-1042299154756.us-central1.run.app, listed in neither registry at the last pull.

air quality answered the sweep of 2026-09-13 with a valid 402, as at every sweep since 2026-09-11.

Closest in price to air quality within inference: llm claude haiku at x402engine.app and entreprise agrements at api.sirenic.eu.

Among comparable prices in inference, air quality sits above 64% of them.

The wallet paid by air quality is the payee of 78 endpoints on one host.

The seller's own tags are weather, environment, health and location.

air quality was missing from the Coinbase registry at the pull of 2026-09-13, confirmed at the pull of 2026-09-13; that is registry presence, not liveness.

The price of air quality is declared by 102 other listings in inference 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 2026-09-13 04:45 UTC · method

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.02 USDCexact0x8647F7…973558

Preflight checks at the last sweep

the checks, as of 2026-09-13 04:09 UTC · methodendpoint 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
2026-09-13 04:09 UTCpass0daily-2026-09-13
2026-09-12 06:24 UTCpass0daily-2026-09-12
2026-09-11 09:53 UTCpass0daily-2026-09-11

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 2026-08-14 09:28 UTC · method

The input and output block
{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "city": "Beijing"
    }
  },
  "output": {
    "type": "json",
    "example": {
      "units": {
        "pm10": "μg/m³",
        "time": "iso8601",
        "ozone": "μg/m³",
        "pm2_5": "μg/m³",
        "us_aqi": "USAQI",
        "interval": "seconds",
        "european_aqi": "EAQI",
        "carbon_monoxide": "μg/m³",
        "nitrogen_dioxide": "μg/m³"
      },
      "source": "Open-Meteo Air Quality API",
      "current": {
        "pm10": 20,
        "time": "2026-08-07T15:00",
        "ozone": 190,
        "pm2_5": 19.3,
        "us_aqi": 160,
        "interval": 3600,
        "european_aqi": 96,
        "carbon_monoxide": 409,
        "nitrogen_dioxide": 15.7
      },
      "success": true,
      "location": {
        "name": "Beijing",
        "admin1": "Beijing Municipality",
        "country": "China",
        "latitude": 39.9075,
        "longitude": 116.39723
      },
      "fetched_at": "2026-08-07T07:32:46.555Z",
      "marketplace_metadata": {
        "source": "Open-Meteo Air Quality API",
        "billable": true,
        "data_mode": "live_source",
        "availability": "operational"
      }
    }
  }
}
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, "air quality on ai-data-marketplace-1042299154756.us-central1.run.app". https://tollindex.com/e/ai-data-marketplace-1042299154756-us-central1-run-app-api-v1-air-quality-23befd. Accessed [access date].

BibTeX

@misc{toll-e-ai-data-marketplace-1042299154756-us-central1-run-app-api-v1-air-quality-23befd-2026-09-15,
  author = {TOLL},
  title = {air quality on ai-data-marketplace-1042299154756.us-central1.run.app},
  howpublished = {\url{https://tollindex.com/e/ai-data-marketplace-1042299154756-us-central1-run-app-api-v1-air-quality-23befd}},
  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 air quality, or reply as the named seller

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Sign this message with the wallet named on the page and paste the signature; it is checked, stored, never published. TOLL reply about endpoint 23befd1a2310a5fa1b83b44101a2714f9ee2e32af2d69ba996df1cca551f5115 from wallet 0x8647F7D7a1368a467Ad1FF757fBc2e7167973558

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

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