faillisted in Coinbasecounted above 92% of Other
0.005 USDC
per call, as the listing declares it on eip155:
- Validation state
- fail
- Uptime, 7 / 30 / 90 days
- 0% / 0% / 0%
- Calls, trailing 30 days
- 6
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-07 09:18 UTC
- First observed by TOLLderived
- 2026-09-10
- 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 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.
add answered HTTP 500 rather than 402 at the sweep of 2026-09-15; the recorded state is fail.
TOLL files add under the "other" category: a POST endpoint on x402-ai-starter.vercel.app, listed in the Coinbase registry.
On Base Sepolia, add asks 0.005 USDC per call.
add declares an input block that names no parameters.
No output metadata is declared; that is an advisory gap, not breakage.
add drew 6 calls from one payer in the trailing 30 days.
The last call to add came 9 days before the snapshot, 2026-09-07.
x402-ai-starter.vercel.app lists no other endpoint.
add is priced above 58% of comparable listings in the "other" category.
Closest in price to add within the "other" category: enrich profile at win.oneshotagent.com and aviation airport status at api.x402node.dev.
The payee wallet of add appears on no other listing.
Within the "other" category, 92% of endpoints with counters have fewer calls.
The price of add is declared by 141 other listings in the "other" category too.
the payment options, as of 2026-09-15 21:20 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.005 USDC | exact | 0x78397B…16A218 |
the checks, as of 2026-09-15 06:26 UTC · method · pinnableendpoint answered HTTP 500
returns_402· an unauthenticated request gets HTTP 402
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 06:26 UTC | fail | 1 | daily-2026-09-15 |
| 2026-09-14 05:56 UTC | legacy v1 | 1 | daily-2026-09-14 |
| 2026-09-13 05:48 UTC | legacy v1 | 1 | daily-2026-09-13 |
| 2026-09-12 08:05 UTC | legacy v1 | 1 | daily-2026-09-12 |
| 2026-09-11 12:03 UTC | legacy v1 | 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 2026-09-07 09:18 UTC · method · live
The input and output block
{
"input": {
"body": {},
"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 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, "add on x402-ai-starter.vercel.app", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/x402-ai-starter-vercel-app-api-add-c1ac27/at/2026-09-15T21-20Z. Accessed [access date].
BibTeX
@misc{toll-e-x402-ai-starter-vercel-app-api-add-c1ac27-2026-09-15T21-20Z,
author = {TOLL},
title = {add on x402-ai-starter.vercel.app},
howpublished = {\url{https://tollindex.com/e/x402-ai-starter-vercel-app-api-add-c1ac27/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.