passlisted in Coinbase#16 by calls of 53 on this host
0.005 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
- 447
- Unique payers, trailing 30 days
- 446
- Last called
- 2026-09-15 09:53 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.005 USDC
- Networks
- 1
How has the volume on this endpoint moved?
The registry's counters give chain events 447 calls and 446 unique payers over 30 days.
chain events out-counts 99% of the 5,172 endpoints in market data that carry counters.
Of api.onesource.io's 53 listings, chain events ranks 16th by calls.
It accounts for 3% of the calls counted across the host.
The last call to chain events came on the day of the snapshot, 2026-09-15.
chain events, a GET endpoint on api.onesource.io, appears in the Coinbase registry; TOLL's taxonomy puts it in market data.
chain events is priced at 0.005 USDC on Base.
The listing describes the request as the query parameters network and contract.
chain events answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
A response from chain events, as declared, includes data and meta.
Across Base it declares 2 ways to pay, all to one wallet.
chain events sits nearest in price to gas (base-gas-x402-production.up.railway.app) and tick latest (tick.hugen.tokyo) among listings in market data.
chain events is priced above 24% of comparable listings in market data.
The wallet paid by chain events is the payee of 53 endpoints on one host.
Schemes span exact and batch-settlement.
The price of chain events is declared by 481 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 | 0.005 USDC | exact | 0x52E29e…51f3ea |
| Coinbase | eip155: | USDC | 0.005 USDC | batch-settlement | 0x52E29e…51f3ea |
the checks, as of 2026-09-15 04:49 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 04:49 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:44 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:42 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 06:59 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 10:36 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 15:24 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"network": "ethereum",
"contract": "0xdac17f958d2ee523a2206206994597c13d831ec7"
}
},
"output": {
"type": "json",
"example": {
"data": {
"logs": [
{
"data": "0x0000000000000000000000000000000000000000000000000000000000000001",
"topics": [
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
],
"address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"logIndex": "0x0",
"blockNumber": "0x133da1e",
"transactionHash": "0xad7e04119ecd85857728205f5b12e95f0bab8e99f9c2f60be5dc79cfc6a8df1f"
}
],
"count": 1,
"to_block": "latest",
"from_block": "latest"
},
"meta": {
"endpoint": "/api/chain/events",
"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 events on api.onesource.io", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/api-onesource-io-api-chain-events-58702b/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-api-onesource-io-api-chain-events-58702b-2026-09-15T16-57Z,
author = {TOLL},
title = {chain events on api.onesource.io},
howpublished = {\url{https://tollindex.com/e/api-onesource-io-api-chain-events-58702b/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.