chain nonce derived
api.onesource.ioMarket dataderived
GET https://api.onesource.io/api/chain/nonce/:address
malformedlisted in Coinbase#11 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
- 679
- Unique payers, trailing 30 days
- 674
- Last called
- 2026-09-15 09:54 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.003 USDC
- Networks
- 1
How has the volume on this endpoint moved?
chain nonce answered the sweep of 2026-09-15 with a 402 that failed the required check has_bazaar_extension.
For chain nonce the failing check asks whether the body carries the Bazaar discovery extension.
TOLL files chain nonce under market data: a GET endpoint on api.onesource.io, listed in the Coinbase registry.
On Base, chain nonce asks 0.003 USDC per call.
chain nonce takes the query parameter network and the path parameter address.
2 payment options span Base, all to one wallet.
chain nonce returns json; the example shows data and meta.
Over 30 days: 679 calls, 674 payers.
The last call to chain nonce came on the day of the snapshot, 2026-09-15.
api.onesource.io lists 53 endpoints; chain nonce is 11th by calls.
It accounts for 4% of the calls counted across the host.
chain nonce is priced above 16% of comparable listings in market data.
Closest in price to chain nonce within market data: route at 402signal.com and kol sentiment at x402.ottoai.services.
Schemes span exact and batch-settlement.
The wallet paid by chain nonce is the payee of 53 endpoints on one host.
chain nonce out-counts 99% of the 5,172 endpoints in market data that carry counters.
The price of chain nonce is declared by 230 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 | 0.003 USDC | exact | 0x52E29e…51f3ea |
| Coinbase | eip155: | USDC | 0.003 USDC | batch-settlement | 0x52E29e…51f3ea |
the checks, as of 2026-09-15 04:20 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 04:20 UTC | malformed | 1 | daily-2026-09-15 |
| 2026-09-14 04:18 UTC | malformed | 1 | daily-2026-09-14 |
| 2026-09-13 04:17 UTC | malformed | 1 | daily-2026-09-13 |
| 2026-09-12 06:32 UTC | malformed | 1 | daily-2026-09-12 |
| 2026-09-11 10:02 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 15:22 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"address": "0x6cf19308c22fc82ea620fa0b3e94948d20f27b96"
},
"queryParams": {
"network": "ethereum"
}
},
"output": {
"type": "json",
"example": {
"data": {
"nonce": "0x4d2"
},
"meta": {
"endpoint": "/api/chain/nonce/0x6cf19308c22fc82ea620fa0b3e94948d20f27b96",
"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 nonce on api.onesource.io", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/api-onesource-io-api-chain-nonce-address-2f828f/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-api-onesource-io-api-chain-nonce-address-2f828f-2026-09-15T16-57Z,
author = {TOLL},
title = {chain nonce on api.onesource.io},
howpublished = {\url{https://tollindex.com/e/api-onesource-io-api-chain-nonce-address-2f828f/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.