TOLL

What software pays for, recorded every six hours.

Snapshot
2026-09-30 22:14 UTC
Sweep
daily-2026-09-30 · finished 2026-09-30 09:38 UTC
Listed
20,671

data exchange rates derived

saylorinnovations.comMarket dataderived

GET https://saylorinnovations.com/api/data/exchange-rates

passlisted in Coinbase#5 by calls of 396 on this host

0.003 USDC

per call, as the listing declares it on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

Compare with anotherEvery figure as JSONCite this page

the price, as of 2026-09-30 22:14 UTC · method · pinnable

Validation state
pass
as of 2026-09-30 06:09 UTC · method · pinnable · sweep daily-2026-09-30
Uptime, 7 / 30 / 90 days
100% / 100% / 100%
as of 2026-09-30 06:09 UTC · method · pinnable · 5 of 5 in 7d, 5 of 5 in 30d, 5 of 5 in 90d
Calls, trailing 30 days
4
as of 2026-09-30 22:14 UTC · method · pinnable
Unique payers, trailing 30 days
1
as of 2026-09-30 22:14 UTC · method · pinnable
Last called
2026-09-25 20:58 UTC
as of 2026-09-30 22:14 UTC · method · pinnable
First observed by TOLLderived
2026-09-24
as of 2026-09-24 21:29 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived
0.003 USDC
as of 2026-09-30 22:14 UTC · method · pinnable · on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Networks
4
as of 2026-09-30 22:14 UTC · method · pinnable

Counters

21 observations, 2 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 5,975 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 4: 1,304 in the category are counted higher and 4,670 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 2 times across 21 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

Of saylorinnovations.com's 396 listings, data exchange rates ranks tied 5th by calls with 27 others.

Its declared inputs are the query parameter base.

A response from data exchange rates, as declared, includes report, sample, source, service, subject, retrievedAt and 2 others.

One payer accounts for all 4 calls to data exchange rates over 30 days.

data exchange rates was last called 5 days before the snapshot.

It is priced at 0.003 USDC on Solana.

data exchange rates accepts payment on Solana, Base, Polygon and Arbitrum, 6 options in all, to 2 different wallets.

TOLL files data exchange rates under market data: a GET endpoint on saylorinnovations.com, listed in the Coinbase registry.

data exchange rates answered the sweep of 2026-09-30 with a valid 402, as at every sweep since 2026-09-25.

Closest in price to data exchange rates within market data: perp funding at agent402.tools and market risk at x402.ottoai.services.

data exchange rates is priced above 18% of comparable listings in market data.

Across market data, 5,975 endpoints carry counters and data exchange rates out-counts 73% of them.

TOLL cannot price 1 of the options in units, lacking verified decimals for their assets.

The wallet paid by data exchange rates is the payee of 397 endpoints on one host.

The seller's tags on data exchange rates are currencies, exchange rates and reference data.

295 other listings in market data declare exactly the same price.

Payment options as declared

the payment options, as of 2026-09-30 22:14 UTC · method · pinnable

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbasesolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpUSDC0.003 USDCexact7LSjfrJf…vXacy7
Coinbasesolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpUSDT0.003 USDTexact7LSjfrJf…vXacy7
Coinbaseeip155:8453USDC0.003 USDCexact0xA2A8dF…9fc8aa
Coinbaseeip155:137USDC0.003 USDCexact0xA2A8dF…9fc8aa
Coinbaseeip155:42161USDC0.003 USDCexact0xA2A8dF…9fc8aa
Coinbasesolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpSo111111…11111223900 smallest units, decimals unknownexact7LSjfrJf…vXacy7

Preflight checks at the last sweep

the checks, as of 2026-09-30 06:09 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
2026-09-30 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 20:58 UTC · method · live

The input and output block
{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "base": "USD"
    }
  },
  "output": {
    "type": "json",
    "example": {
      "report": {
        "base": "USD",
        "date": "2026-09-18",
        "rates": {
          "EUR": 0.8726
        },
        "amount": 1,
        "notice": "Source: European Central Bank via Frankfurter. The underlying ECB data is available free at ecb.europa.eu. Frankfurter rebases ECB reference rates into the requested currency. Rates are daily reference observations, not live or executable trading quotes; weekends and holidays may use an earlier observation.",
        "sourceDataUrl": "https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html"
      },
      "sample": true,
      "source": {
        "url": "https://api.frankfurter.dev/v1/latest?base=USD",
        "name": "European Central Bank via Frankfurter"
      },
      "service": "fx",
      "subject": "USD",
      "retrievedAt": "2026-09-18T14:43:08.006Z",
      "fixedSubject": "USD",
      "exampleTruncated": true
    }
  }
}
Cite this page

The pinned URL below renders this page from the snapshot of 2026-09-30 22:14 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "data exchange rates on saylorinnovations.com", snapshot of 2026-09-30 22:14 UTC. https://tollindex.com/e/saylorinnovations-com-api-data-exchange-rates-27c91f/at/2026-09-30T22-14Z. Accessed [access date].

BibTeX

@misc{toll-e-saylorinnovations-com-api-data-exchange-rates-27c91f-2026-09-30T22-14Z,
  author = {TOLL},
  title = {data exchange rates on saylorinnovations.com},
  howpublished = {\url{https://tollindex.com/e/saylorinnovations-com-api-data-exchange-rates-27c91f/at/2026-09-30T22-14Z}},
  year = {2026},
  month = {9},
  note = {Pinned view of the snapshot of 2026-09-30 22:14 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 data exchange rates, 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 27c91fccbba43d53667926e85c702b129b3361e4c07d2ebba67f19f785d5caa0 from wallet 7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7

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

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