passlisted in Coinbasecounted above 90% of Other
0.5 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
- 5
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-08-31 15:40 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.5 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.
TOLL files vendors evidence under the "other" category: a POST endpoint on experiment-001-production-90c3.up.railway.app, listed in the Coinbase registry.
A call to vendors evidence costs 0.5 USDC on Base, as declared.
The request to vendors evidence is a json body with the fields recovery_key, vendor_token and idempotency_key.
vendors evidence returns json; the example shows tool, status and sources.
The daily sweep got a valid payment challenge from vendors evidence on 2026-09-15, as at every sweep since 2026-09-11.
experiment-001-production-90c3.up.railway.app lists no other endpoint.
vendors evidence drew 5 calls from one payer in the trailing 30 days.
The last call to vendors evidence came 15 days before the snapshot, 2026-08-31.
Closest in price to vendors evidence within the "other" category: apps renew at agents.withzero.xyz and gauge japan region at api.truthbear.co.
vendors evidence is near the top of prices in the "other" category; 98% of comparable listings are cheaper.
vendors evidence out-counts 90% of the 2,777 endpoints in the "other" category that carry counters.
The wallet paid by vendors evidence is the payee of 2 endpoints across 2 hosts.
Seller tags: vendor, regulatory and evidence.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.5 USDC | exact | 0xF21563…Dbbaa4 |
the checks, as of 2026-09-15 07:01 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 07:01 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 06:28 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 06:17 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 09:28 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 14:46 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 2026-08-31 15:40 UTC · method · live
The input and output block
{
"input": {
"body": {
"recovery_key": "0000000000000000000000000000000000000000000000000000000000000000",
"vendor_token": "opaque-signed-reference",
"idempotency_key": "buyer-generated-request-001"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"tool": "build_vendor_evidence_package",
"status": "complete",
"sources": []
}
}
}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, "vendors evidence on experiment-001-production-90c3.up.railway.app", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/experiment-001-production-90c3-up-railway-app-x402-v1-vendors-evidence-f3c86a/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-experiment-001-production-90c3-up-railway-app-x402-v1-vendors-evidence-f3c86a-2026-09-15T16-57Z,
author = {TOLL},
title = {vendors evidence on experiment-001-production-90c3.up.railway.app},
howpublished = {\url{https://tollindex.com/e/experiment-001-production-90c3-up-railway-app-x402-v1-vendors-evidence-f3c86a/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.