chain block derived
api.onesource.ioMarket dataderived
GET https://api.onesource.io/api/chain/block/:number
malformedlisted in Coinbase#8 by calls of 53 on this host
0.003 USDC
per call, as the listing declares it on eip155:
- Validation state
- malformed
- Uptime, 7 / 30 / 90 days
- 0% / 0% / 0%
- Calls, trailing 30 days
- 695
- Unique payers, trailing 30 days
- 693
- Last called
- 2026-09-15 18:50 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.003 USDC
- Networks
- 1
How has the volume on this endpoint moved?
The sweep of 2026-09-15 got a payment challenge that did not pass the required check has_bazaar_extension.
For chain block the failing check asks whether the body carries the Bazaar discovery extension.
chain block, a GET endpoint on api.onesource.io, appears in the Coinbase registry; TOLL's taxonomy puts it in market data.
chain block is priced at 0.003 USDC on Base.
The request to chain block is the query parameter network and the path parameter number.
For chain block the listing declares 2 accepts on Base, all to one wallet.
chain block returns json; the example shows data and meta.
The registry's counters give chain block 695 calls and 693 unique payers over 30 days.
Its last counted call came on the day of the snapshot.
chain block is one of 53 listed endpoints on api.onesource.io, 8th by calls among them.
chain block takes 4% of the calls counted across api.onesource.io.
Among comparable prices in market data, chain block sits above 16% of them.
Closest in price to chain block within market data: kol sentiment at x402.ottoai.services and price btc usd at vibesprings.net.
chain block declares exact and batch-settlement as payment schemes.
The wallet paid by chain block is the payee of 53 endpoints on one host.
chain block out-counts every other endpoint in market data that carries counters, 5,288 of them.
The price of chain block is declared by 230 other listings in market data too.
the payment options, as of 2026-09-15 21:20 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.003 USDC | exact | 0x52E29e…51f3ea |
| Coinbase | eip155: | USDC | 0.003 USDC | batch-settlement | 0x52E29e…51f3ea |
the checks, as of 2026-09-15 04:37 UTC · method · pinnableendpoint answered HTTP 402
has_bazaar_extension· the body carries the Bazaar discovery extension
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 04:37 UTC | malformed | 1 | daily-2026-09-15 |
| 2026-09-14 04:33 UTC | malformed | 1 | daily-2026-09-14 |
| 2026-09-13 04:32 UTC | malformed | 1 | daily-2026-09-13 |
| 2026-09-12 06:48 UTC | malformed | 1 | daily-2026-09-12 |
| 2026-09-11 10:21 UTC | malformed | 1 | 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 18:50 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"number": "latest"
},
"queryParams": {
"network": "ethereum"
}
},
"output": {
"type": "json",
"example": {
"data": {
"result": {
"hash": "0x3f5f8b0a8e9b7c6d4f2a1b5e8c9d7a3f6e4b9d1c5a8f2e7b4d6c3a9e1f0b8d5c",
"number": "0x133da1e",
"gasUsed": "0xe4e1c0",
"gasLimit": "0x1c9c380",
"timestamp": "0x6567c8e0",
"parentHash": "0x3f5f8b0a8e9b7c6d4f2a1b5e8c9d7a3f6e4b9d1c5a8f2e7b4d6c3a9e1f0b8d5b",
"transactions": [
"0xad7e04119ecd85857728205f5b12e95f0bab8e99f9c2f60be5dc79cfc6a8df1f"
]
}
},
"meta": {
"endpoint": "/api/chain/block/latest",
"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 21:20 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 on api.onesource.io", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/api-onesource-io-api-chain-block-number-47b08b/at/2026-09-15T21-20Z. Accessed [access date].
BibTeX
@misc{toll-e-api-onesource-io-api-chain-block-number-47b08b-2026-09-15T21-20Z,
author = {TOLL},
title = {chain block on api.onesource.io},
howpublished = {\url{https://tollindex.com/e/api-onesource-io-api-chain-block-number-47b08b/at/2026-09-15T21-20Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 21:20 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.