passlisted in Coinbasecounted above 69% of Identity
0.01 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
- 3
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-09-14 19:57 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.01 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 2 times across 29 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.
agent-contract-proof.mattskowronis.workers.dev serves verify, a POST endpoint that TOLL places in identity, listed in the Coinbase registry.
A call to verify costs 0.01 USDC on Base, as declared.
The request to verify is a json body with the field url.
verify returns json; the example shows checks, verdict, declared, observed, checked_at, mismatches and 2 others.
verify answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
verify is the only listed endpoint on agent-contract-proof.mattskowronis.workers.dev.
Over 30 days: 3 calls, 2 payers.
verify was last called 1 day before the snapshot.
Closest in price to verify within identity: attested screening at rubric-protocol.com and items at spawnxchange-api-485602182462.europe-west4.run.app.
Among comparable prices in identity, verify sits above 31% of them.
Within identity, 69% of endpoints with counters have fewer calls.
The wallet paid by verify is the payee of 8 endpoints across 2 hosts.
The price of verify is declared by 516 other listings in identity too.
the payment options, as of 2026-09-15 21:20 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0x3a438B…52498F |
the checks, as of 2026-09-15 05:46 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 05:46 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 05:18 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 05:14 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 07:30 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 11:16 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 2026-09-14 19:57 UTC · method · live
The input and output block
{
"input": {
"body": {
"url": "https://source-claim-proof.mattskowronis.workers.dev"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"checks": [
{
"id": "price",
"status": "pass",
"expected": "0.01",
"observed": "0.01",
"evidence_url": "https://example.com/v1/tool"
}
],
"verdict": "conforms",
"declared": {
"path": "/v1/tool",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"method": "POST",
"pay_to": "0x0000000000000000000000000000000000000001",
"source": "openapi",
"network": "eip155:8453",
"price_usd": "0.01",
"evidence_url": "https://example.com/openapi.json",
"input_schema_declared": true,
"output_schema_declared": true
},
"observed": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"pay_to": "0x0000000000000000000000000000000000000001",
"scheme": "exact",
"network": "eip155:8453",
"price_usd": "0.01",
"http_status": 402,
"x402_version": 2,
"amount_atomic": "10000",
"challenge_source": "header"
},
"checked_at": "2026-01-01T00:00:00.000Z",
"mismatches": [],
"target_url": "https://example.com/v1/tool",
"contract_hash": "0000000000000000000000000000000000000000000000000000000000000000",
"evidence_urls": [
"https://example.com/openapi.json",
"https://example.com/v1/tool"
],
"target_method": "POST",
"target_status": "verified",
"service_version": "1.0.0"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 21:20 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "verify on agent-contract-proof.mattskowronis.workers.dev", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/agent-contract-proof-mattskowronis-workers-dev-v1-verify-8955d2/at/2026-09-15T21-20Z. Accessed [access date].
BibTeX
@misc{toll-e-agent-contract-proof-mattskowronis-workers-dev-v1-verify-8955d2-2026-09-15T21-20Z,
author = {TOLL},
title = {verify on agent-contract-proof.mattskowronis.workers.dev},
howpublished = {\url{https://tollindex.com/e/agent-contract-proof-mattskowronis-workers-dev-v1-verify-8955d2/at/2026-09-15T21-20Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 21:20 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.