passlisted in Coinbase#9 by calls of 30 on this host
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
- 5
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-08-23 15:37 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.
sovereign-x402-zeta.vercel.app lists 30 endpoints; sequence palindrome is tied 9th by calls with 16 others.
Its declared inputs are a json body with the field n.
sequence palindrome declares json output without an example.
Over 30 days: 5 calls, one payer.
The last call to sequence palindrome came 23 days before the snapshot, 2026-08-23.
Each call is priced at 0.001 USDC, payable on Base.
sequence palindrome takes 3% of the calls counted across sovereign-x402-zeta.vercel.app.
sovereign-x402-zeta.vercel.app serves sequence palindrome, a POST endpoint that TOLL places in the "other" category, listed in the Coinbase registry.
sequence palindrome answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
Closest in price to sequence palindrome within the "other" category: ping at www.api-xpay.com and treasury state at gblin.digital.
sequence palindrome is the cheapest of 2,780 comparable listings in the "other" category; none asks less.
sequence palindrome out-counts 90% of the 2,777 endpoints in the "other" category that carry counters.
The wallet paid by sequence palindrome is the payee of 30 endpoints on one host.
The price of sequence palindrome 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 | 0x41595e…31Ad3C |
the checks, as of 2026-09-15 06:34 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 06:34 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 06:03 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 05:55 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 08:12 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 12:22 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 2026-08-23 15:37 UTC · method · live
The input and output block
{
"input": {
"body": {
"n": 12321
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {}
}
}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, "sequence palindrome on sovereign-x402-zeta.vercel.app", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/sovereign-x402-zeta-vercel-app-api-v1-sequence-palindrome-cda67a/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-sovereign-x402-zeta-vercel-app-api-v1-sequence-palindrome-cda67a-2026-09-15T16-57Z,
author = {TOLL},
title = {sequence palindrome on sovereign-x402-zeta.vercel.app},
howpublished = {\url{https://tollindex.com/e/sovereign-x402-zeta-vercel-app-api-v1-sequence-palindrome-cda67a/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.