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

chain estimate gas derived

api.onesource.ioMarket dataderived

POST https://api.onesource.io/api/chain/estimate-gas

passlisted in Coinbase#20 by calls of 53 on this host

0.004 USDC

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

Compare with anotherEvery figure as JSONCite this page

the price, as of 2026-09-15 16:57 UTC · method · pinnable

Validation state
pass
as of 2026-09-15 04:04 UTC · method · pinnable · sweep daily-2026-09-15
Uptime, 7 / 30 / 90 days
100% / 100% / 100%
as of 2026-09-15 04:04 UTC · method · pinnable · 5 of 5 in 7d, 5 of 5 in 30d, 5 of 5 in 90d
Calls, trailing 30 days
388
as of 2026-09-15 16:57 UTC · method · pinnable
Unique payers, trailing 30 days
388
as of 2026-09-15 16:57 UTC · method · pinnable
Last called
2026-09-15 09:53 UTC
as of 2026-09-15 16:57 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
0.004 USDC
as of 2026-09-15 16:57 UTC · method · pinnable · on eip155:8453
Networks
1
as of 2026-09-15 16:57 UTC · method · pinnable

Counters

28 observations, 16 of them a change

How has the volume on this endpoint moved?

38039040038810 Sep11 Sep12 Sep13 Sep14 Sep15 Sep
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

In the trailing 30 days the registry counted 388 calls from 388 unique payers, every call from a different payer.

chain estimate gas out-counts 99% of the 5,172 endpoints in market data that carry counters.

api.onesource.io lists 53 endpoints; chain estimate gas is tied 20th by calls with 1 other.

chain estimate gas takes 2% of the calls counted across api.onesource.io.

The last call to chain estimate gas came on the day of the snapshot, 2026-09-15.

TOLL files chain estimate gas under market data: a POST endpoint on api.onesource.io, listed in the Coinbase registry.

On Base, chain estimate gas asks 0.004 USDC per call.

The request to chain estimate gas is a json body with the fields to and data.

chain estimate gas answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.

A response from chain estimate gas, as declared, includes data and meta.

Payment is declared 2 ways across 1 network: Base, all to one wallet.

Closest in price to chain estimate gas within market data: tick latest at tick.hugen.tokyo and recipient api prepare transfer at api.loyalspark.online.

chain estimate gas is priced above 21% of comparable listings in market data.

The wallet paid by chain estimate gas is the payee of 53 endpoints on one host.

chain estimate gas declares exact and batch-settlement as payment schemes.

The price of chain estimate gas is declared by 155 other listings in market data too.

Payment options as declared

the payment options, as of 2026-09-15 16:57 UTC · method · pinnable

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.004 USDCexact0x52E29e…51f3ea
Coinbaseeip155:8453USDC0.004 USDCbatch-settlement0x52E29e…51f3ea

Preflight checks at the last sweep

the checks, as of 2026-09-15 04:04 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
2026-09-15 04:04 UTCpass0daily-2026-09-15
2026-09-14 04:03 UTCpass0daily-2026-09-14
2026-09-13 04:02 UTCpass0daily-2026-09-13
2026-09-12 06:17 UTCpass0daily-2026-09-12
2026-09-11 09:44 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 2026-09-15 15:25 UTC · method · live

The input and output block
{
  "input": {
    "body": {
      "to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
      "data": "0x0"
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "data": {
        "gas": "0x5208"
      },
      "meta": {
        "endpoint": "/api/chain/estimate-gas",
        "cost_usdc": "0.001",
        "request_id": "00000000abcdef01",
        "payment_chain": "base",
        "payment_token": "USDC"
      }
    }
  }
}
Cite this page

The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "chain estimate gas on api.onesource.io", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/api-onesource-io-api-chain-estimate-gas-186c1e/at/2026-09-15T16-57Z. Accessed [access date].

BibTeX

@misc{toll-e-api-onesource-io-api-chain-estimate-gas-186c1e-2026-09-15T16-57Z,
  author = {TOLL},
  title = {chain estimate gas on api.onesource.io},
  howpublished = {\url{https://tollindex.com/e/api-onesource-io-api-chain-estimate-gas-186c1e/at/2026-09-15T16-57Z}},
  year = {2026},
  month = {9},
  note = {Pinned view of the snapshot of 2026-09-15 16:57 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 chain estimate gas, 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 186c1e8cc28f7c39dc46b93b8de44c6eed133d47617564291386de76280d6396 from wallet 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea

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

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