passlisted in Coinbasecounted above 0% of Other
0.001 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
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-08-25 18:48 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.001 USDC
- Networks
- 1
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 28 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
At witness-edge-phase-c-test.witness-test.workers.dev, contract witness takes POST requests, is listed in the Coinbase registry, and falls under the "other" category by TOLL's rules.
Per call, contract witness declares 0.001 USDC on Base Sepolia.
Callers of contract witness supply a json body with the fields mode, new_schema and old_schema.
contract witness declares nothing about its output; validate flags that as advisory, not a verdict.
contract witness answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
contract witness is the only listed endpoint on witness-edge-phase-c-test.witness-test.workers.dev.
In the trailing 30 days: one call, one payer.
contract witness was last called 21 days before the snapshot.
Closest in price to contract witness within the "other" category: useless fact at x402uselessfacts.vercel.app and life advice at x402lifeadvice.vercel.app.
contract witness is the cheapest of 2,780 comparable listings in the "other" category; none asks less.
The wallet paid by contract witness is the payee of 4 endpoints across 4 hosts.
Seller tags: json-schema, mcp, compatibility and counterexample.
The price of contract witness is declared by 1,267 other listings in the "other" category too.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0x6f85Ec…4c3867 |
the checks, as of 2026-09-15 06:46 UTC · method · pinnableendpoint answered HTTP 402
bazaar.info.output· advisory, does not affect the verdict · output metadata is present (advisory)
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 06:46 UTC | pass | 1 | daily-2026-09-15 |
| 2026-09-14 06:14 UTC | pass | 1 | daily-2026-09-14 |
| 2026-09-13 06:05 UTC | pass | 1 | daily-2026-09-13 |
| 2026-09-12 08:22 UTC | pass | 1 | daily-2026-09-12 |
| 2026-09-11 13:49 UTC | pass | 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 2026-08-25 18:48 UTC · method · live
The input and output block
{
"input": {
"body": {
"mode": "input_backward_compatibility",
"new_schema": {
"type": "string"
},
"old_schema": {
"type": "integer"
}
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": null
}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, "contract witness on witness-edge-phase-c-test.witness-test.workers.dev", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/witness-edge-phase-c-test-witness-test-workers-dev-v1-contract-witness-de9ffa/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-witness-edge-phase-c-test-witness-test-workers-dev-v1-contract-witness-de9ffa-2026-09-15T16-57Z,
author = {TOLL},
title = {contract witness on witness-edge-phase-c-test.witness-test.workers.dev},
howpublished = {\url{https://tollindex.com/e/witness-edge-phase-c-test-witness-test-workers-dev-v1-contract-witness-de9ffa/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.