chain block number derived
api.onesource.ioMarket dataderived
GET https://api.onesource.io/api/chain/block-number
passlisted in Coinbase#1 by calls of 53 on this host
0.001 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 1,223
- Unique payers, trailing 30 days
- 977
- Last called
- 2026-09-15 09:54 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.001 USDC
- Networks
- 1
How has the volume on this endpoint moved?
Over 30 days: 1,223 calls, 977 payers.
chain block number out-counts every other endpoint in market data that carries counters, 5,172 of them.
api.onesource.io lists 53 endpoints; chain block number is 1st by calls.
Of the calls counted across api.onesource.io, chain block number takes 8%.
Its last counted call came on the day of the snapshot.
At api.onesource.io, chain block number takes GET requests, is listed in the Coinbase registry, and falls under market data by TOLL's rules.
chain block number is priced at 0.001 USDC on Base.
Requests carry the query parameter network.
chain block number answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
A response from chain block number, as declared, includes data and meta.
chain block number accepts payment on Base, 2 options in all, all to one wallet.
Closest in price to chain block number within market data: v6 1 quote at 3route.agents.bakingbad.dev and crypto news at x402.ottoai.services.
chain block number is the cheapest of 5,260 comparable listings in market data; none asks less.
The wallet paid by chain block number is the payee of 53 endpoints on one host.
chain block number declares exact and batch-settlement as payment schemes.
The price of chain block number is declared by 533 other listings in market data too.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0x52E29e…51f3ea |
| Coinbase | eip155: | USDC | 0.001 USDC | batch-settlement | 0x52E29e…51f3ea |
the checks, as of 2026-09-15 04:21 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 04:21 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:18 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:17 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 06:32 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 10:02 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-15 15:22 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"network": "ethereum"
}
},
"output": {
"type": "json",
"example": {
"data": {
"result": "0x133da1e"
},
"meta": {
"endpoint": "/api/chain/block-number",
"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 block number on api.onesource.io", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/api-onesource-io-api-chain-block-number-2fb259/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-api-onesource-io-api-chain-block-number-2fb259-2026-09-15T16-57Z,
author = {TOLL},
title = {chain block number on api.onesource.io},
howpublished = {\url{https://tollindex.com/e/api-onesource-io-api-chain-block-number-2fb259/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].}
}None yet. Anything submitted through the form below is published here with its outcome.