chain contract derived
api.onesource.ioMarket dataderived
GET https://api.onesource.io/api/chain/contract/:address
malformedlisted in Coinbase#7 by calls of 53 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
- 699
- Unique payers, trailing 30 days
- 698
- Last called
- 2026-09-15 09:54 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.005 USDC
- Networks
- 1
How has the volume on this endpoint moved?
On 2026-09-15, chain contract returned 402 but failed the required check has_bazaar_extension.
For chain contract the failing check asks whether the body carries the Bazaar discovery extension.
At api.onesource.io, chain contract takes GET requests, is listed in the Coinbase registry, and falls under market data by TOLL's rules.
chain contract is priced at 0.005 USDC on Base.
The request to chain contract is the query parameter network and the path parameter address.
For chain contract the listing declares 2 accepts on Base, all to one wallet.
The declared response carries data and meta.
chain contract drew 699 calls from 698 unique payers in the trailing 30 days.
The last call to chain contract came on the day of the snapshot, 2026-09-15.
api.onesource.io lists 53 endpoints; chain contract is 7th by calls.
4% of the host's counted calls go to it.
chain contract is priced above 24% of comparable listings in market data.
Closest in price to chain contract within market data: gas at base-gas-x402-production.up.railway.app and tick latest at tick.hugen.tokyo.
chain contract declares exact and batch-settlement as payment schemes.
53 listed endpoints on one host pay to the same wallet.
chain contract out-counts every other endpoint in market data that carries counters, 5,172 of them.
The price of chain contract 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 04:34 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 04:34 UTC | malformed | 1 | daily-2026-09-15 |
| 2026-09-14 04:30 UTC | malformed | 1 | daily-2026-09-14 |
| 2026-09-13 04:29 UTC | malformed | 1 | daily-2026-09-13 |
| 2026-09-12 06:44 UTC | malformed | 1 | daily-2026-09-12 |
| 2026-09-11 10:17 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 15:23 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"address": "0xd0601ce157db5bdc3162bbac2a2c8af5320d9eec"
},
"queryParams": {
"network": "ethereum"
}
},
"output": {
"type": "json",
"example": {
"data": {
"name": "Tether USD",
"symbol": "USDT",
"address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"decimals": 6,
"is_erc20": true,
"is_erc165": false,
"is_erc721": false,
"interfaces": [
"ERC20"
],
"is_erc1155": false,
"code_length": 11075,
"is_contract": true
},
"meta": {
"endpoint": "/api/chain/contract/0xd0601ce157db5bdc3162bbac2a2c8af5320d9eec",
"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 contract on api.onesource.io", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/api-onesource-io-api-chain-contract-address-42861f/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-api-onesource-io-api-chain-contract-address-42861f-2026-09-15T16-57Z,
author = {TOLL},
title = {chain contract on api.onesource.io},
howpublished = {\url{https://tollindex.com/e/api-onesource-io-api-chain-contract-address-42861f/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.