faillisted in Coinbase#2 by calls of 9 on this host
0.005 USDC
per call, as the listing declares it on eip155:
- Validation state
- fail
- Uptime, 7 / 30 / 90 days
- 50% / 70% / 70%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-10-10 03:16 UTC
- First observed by TOLLderived
- 2026-10-10
- Pricederived
- 0.005 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 9 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.
The sweep of 2026-10-19 found assert answering HTTP 410 instead of a payment challenge.
At api.s2ar.dev, assert takes GET requests, is listed in the Coinbase registry, and falls under market data by TOLL's rules.
assert is priced at 0.005 USDC on Base.
Requests carry the query parameters text and checks.
A response from assert, as declared, includes ok, score, checks, passed, receipt, results and 2 others.
assert drew a single call from a single payer in the trailing 30 days.
The last call to assert came 3 days before the snapshot, 2026-10-10.
assert shares api.s2ar.dev with 8 other listed endpoints and is tied 2nd by calls with 7 others.
assert takes 10% of the calls counted across api.s2ar.dev.
Among comparable prices in market data, assert sits above 26% of them.
Closest in price to assert within market data: payment at www.api-xpay.com and enrich company at win.oneshotagent.com.
The wallet paid by assert is the payee of 9 endpoints on one host.
The seller's tags on assert are assert, validate, rubric and json-schema.
TOLL's first observation of assert was 2026-10-10.
The price of assert is declared by 898 other listings in market data too.
the payment options, as of 2026-10-13 14:08 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.005 USDC | exact | 0x2c4938…1b5452 |
the checks, as of 2026-10-19 09:44 UTC · method · pinnableendpoint answered HTTP 410
returns_402· an unauthenticated request gets HTTP 402
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-19 09:44 UTC | fail | 1 | daily-2026-10-19 |
| 2026-10-18 11:31 UTC | fail | 1 | daily-2026-10-18 |
| 2026-10-16 07:41 UTC | fail | 1 | daily-2026-10-16 |
| 2026-10-15 09:32 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 07:30 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 12:17 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 09:42 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 08:20 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 16:29 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-10 06:36 UTC | pass | 0 | new-after-daily-2026-10-10 |
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 2026-10-10 03:16 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"text": "{\"summary\": \"The glob flag is parsed in defs.rs\", \"source_url\": \"https://github.com/BurntSushi/ripgrep\"}",
"checks": "[{\"check\":\"json_valid\"},{\"check\":\"required_keys\",\"keys\":[\"summary\",\"source_url\"]},{\"check\":\"citations_present\",\"min\":1}]"
}
},
"output": {
"type": "json",
"example": {
"ok": true,
"score": 1,
"checks": 3,
"passed": 3,
"receipt": {
"what": "…",
"charter": "https://api.s2ar.dev/charter",
"cost_usd": 0.005,
"issued_at": "2026-10-10T00:00:00Z",
"witnesses": [
"sym"
],
"determinism": "replayable",
"refund_rule": "failed calls are never charged",
"evidence_hash": "sha256:94abfed2…"
},
"results": [
{
"ok": true,
"check": "json_valid",
"evidence": {
"type": "dict"
}
},
{
"ok": true,
"check": "required_keys",
"evidence": {
"missing": []
}
},
{
"ok": true,
"check": "citations_present",
"evidence": {
"min": 1,
"urls": 1
}
}
],
"verdict": "pass",
"charged_usd": 0.005,
"record_sha256": "3f1c0d9e…"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-13 14:08 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "assert on api.s2ar.dev", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/api-s2ar-dev-x402-v1-assert-92f6e2/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-api-s2ar-dev-x402-v1-assert-92f6e2-2026-10-13T14-08Z,
author = {TOLL},
title = {assert on api.s2ar.dev},
howpublished = {\url{https://tollindex.com/e/api-s2ar-dev-x402-v1-assert-92f6e2/at/2026-10-13T14-08Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-13 14:08 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.