malformedlisted in Coinbase#9 by calls of 70 on this host
0.005 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
- 304
- Unique payers, trailing 30 days
- 302
- Last called
- 2026-11-01 16:10 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.005 USDC
- Networks
- 1
How has the volume on this endpoint moved?
On 2026-10-30, chain ens returned 402 but failed the required check has_bazaar_extension.
For chain ens the failing check asks whether the body carries the Bazaar discovery extension.
chain ens, a GET endpoint on api.onesource.io, appears in the Coinbase registry; TOLL's taxonomy puts it in identity.
On Base, chain ens asks 0.005 USDC per call.
chain ens takes the query parameter network and the path parameter input.
2 payment options span Base, all to one wallet.
chain ens returns json; the example shows data and meta.
Over 30 days: 304 calls, 302 payers.
The last call to chain ens came on the day of the snapshot, 2026-11-01.
api.onesource.io lists 70 endpoints; chain ens is 9th by calls.
3% of the host's counted calls go to it.
chain ens is priced above 23% of comparable listings in identity.
Closest in price to chain ens within identity: user details at twitter.use.x402atlas.com and my usage at agent402.tools.
Schemes span exact and batch-settlement.
The wallet paid by chain ens is the payee of 70 endpoints on one host.
chain ens out-counts every other endpoint in identity that carries counters, 2,489 of them.
The price of chain ens is declared by 259 other listings in identity too.
the payment options, as of 2026-11-01 21:59 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 2026-10-30 09:06 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 |
|---|---|---|---|
| 2026-10-30 09:06 UTC | malformed | 1 | daily-2026-10-30 |
| 2026-10-29 08:47 UTC | malformed | 1 | daily-2026-10-29 |
| 2026-10-28 09:10 UTC | malformed | 1 | daily-2026-10-28 |
| 2026-10-27 08:54 UTC | malformed | 1 | daily-2026-10-27 |
| 2026-10-26 15:24 UTC | malformed | 1 | daily-2026-10-26 |
| 2026-10-23 09:03 UTC | malformed | 1 | daily-2026-10-23 |
| 2026-10-21 11:35 UTC | malformed | 1 | daily-2026-10-21 |
| 2026-10-20 11:11 UTC | malformed | 1 | daily-2026-10-20 |
| 2026-10-19 08:48 UTC | malformed | 1 | daily-2026-10-19 |
| 2026-10-18 10:44 UTC | malformed | 1 | daily-2026-10-18 |
| 2026-10-17 21:06 UTC | malformed | 1 | daily-2026-10-17 |
| 2026-10-16 06:55 UTC | malformed | 1 | daily-2026-10-16 |
| 2026-10-15 08:42 UTC | malformed | 1 | daily-2026-10-15 |
| 2026-10-14 06:46 UTC | malformed | 1 | daily-2026-10-14 |
| 2026-10-13 11:29 UTC | malformed | 1 | daily-2026-10-13 |
| 2026-10-12 08:49 UTC | malformed | 1 | daily-2026-10-12 |
| 2026-10-11 07:34 UTC | malformed | 1 | daily-2026-10-11 |
| 2026-10-10 15:39 UTC | malformed | 1 | daily-2026-10-10 |
| 2026-10-09 08:19 UTC | malformed | 1 | daily-2026-10-09 |
| 2026-10-08 09:47 UTC | malformed | 1 | daily-2026-10-08 |
| 2026-10-07 09:07 UTC | malformed | 1 | daily-2026-10-07 |
| 2026-10-06 10:00 UTC | malformed | 1 | daily-2026-10-06 |
| 2026-10-05 08:53 UTC | malformed | 1 | daily-2026-10-05 |
| 2026-10-04 11:17 UTC | malformed | 1 | daily-2026-10-04 |
| 2026-10-03 06:00 UTC | malformed | 1 | daily-2026-10-03 |
| 2026-10-02 15:13 UTC | malformed | 1 | daily-2026-10-02 |
| 2026-10-01 08:05 UTC | malformed | 1 | daily-2026-10-01 |
| 2026-09-30 07:25 UTC | malformed | 1 | daily-2026-09-30 |
| 2026-09-29 19:41 UTC | malformed | 1 | daily-2026-09-29 |
| 2026-09-28 07:07 UTC | malformed | 1 | daily-2026-09-28 |
| 2026-09-25 21:11 UTC | malformed | 1 | daily-2026-09-25 |
| 2026-09-23 06:46 UTC | malformed | 1 | daily-2026-09-23 |
| 2026-09-22 06:58 UTC | malformed | 1 | daily-2026-09-22 |
| 2026-09-21 07:20 UTC | malformed | 1 | daily-2026-09-21 |
| 2026-09-19 05:21 UTC | malformed | 1 | daily-2026-09-19 |
| 2026-09-18 13:46 UTC | malformed | 1 | daily-2026-09-18 |
| 2026-09-17 05:16 UTC | malformed | 1 | daily-2026-09-17 |
| 2026-09-16 05:15 UTC | malformed | 1 | daily-2026-09-16 |
| 2026-09-15 05:32 UTC | malformed | 1 | daily-2026-09-15 |
| 2026-09-14 05:06 UTC | malformed | 1 | daily-2026-09-14 |
| 2026-09-13 05:02 UTC | malformed | 1 | daily-2026-09-13 |
| 2026-09-12 07:18 UTC | malformed | 1 | daily-2026-09-12 |
| 2026-09-11 11:00 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 2026-11-01 21:52 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"input": "vitalik.eth"
},
"queryParams": {
"network": "ethereum"
}
},
"output": {
"type": "json",
"example": {
"data": {
"name": "vitalik.eth",
"address": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
"resolver": "0x231b0ee14048e9dccd1d247744d114a4eb5e8e63",
"is_forward": true,
"is_reverse": false
},
"meta": {
"endpoint": "/api/chain/ens/vitalik.eth",
"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 2026-11-01 21:59 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 ens on api.onesource.io", snapshot of 2026-11-01 21:59 UTC. https://tollindex.com/e/api-onesource-io-api-chain-ens-input-76709e/at/2026-11-01T21-59Z. Accessed [access date].
BibTeX
@misc{toll-e-api-onesource-io-api-chain-ens-input-76709e-2026-11-01T21-59Z,
author = {TOLL},
title = {chain ens on api.onesource.io},
howpublished = {\url{https://tollindex.com/e/api-onesource-io-api-chain-ens-input-76709e/at/2026-11-01T21-59Z}},
year = {2026},
month = {11},
note = {Pinned view of the snapshot of 2026-11-01 21:59 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.