passlisted in Coinbase#20 by calls of 23 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
- 2
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-10-09 01:53 UTC
- First observed by TOLLderived
- 2026-10-09
- 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 2 times across 13 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.
With 23 endpoints listed on api.webbersites.com, a11y contrast is tied 20th by calls with 3 others.
Requests carry the query parameters bg and fg.
a11y contrast returns json; the example shows passes, summary, background, foreground, ratio_string and contrast_ratio.
The registry's counters give a11y contrast 2 calls and 2 unique payers over 30 days, every call from a different payer.
a11y contrast was last called 5 days before the snapshot.
Per call, a11y contrast declares 0.001 USDC on Base.
It accounts for 1% of the calls counted across the host.
a11y contrast, a GET endpoint on api.webbersites.com, appears in the Coinbase registry; TOLL's taxonomy puts it in the "other" category.
a11y contrast answered the sweep of 2026-10-30 with a valid 402, as at every sweep since 2026-10-09.
Closest in price to a11y contrast within the "other" category: life advice at x402lifeadvice.vercel.app and convert timezone at 402timezones.vercel.app.
a11y contrast is the cheapest of 3,827 comparable listings in the "other" category; none asks less.
The wallet paid by a11y contrast is the payee of 31 endpoints across 2 hosts.
The seller's tags on a11y contrast are Accessibility.
The price of a11y contrast is declared by 555 other listings in the "other" category too.
the payment options, as of 2026-10-13 14:08 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0xdd5fcE…B81ba6 |
the checks, as of 2026-10-30 12:58 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-30 12:58 UTC | pass | 0 | daily-2026-10-30 |
| 2026-10-29 12:39 UTC | pass | 0 | daily-2026-10-29 |
| 2026-10-28 13:05 UTC | pass | 0 | daily-2026-10-28 |
| 2026-10-27 12:44 UTC | pass | 0 | daily-2026-10-27 |
| 2026-10-23 13:18 UTC | pass | 0 | daily-2026-10-23 |
| 2026-10-21 22:31 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-19 12:57 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-16 10:39 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 12:39 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 10:30 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 15:51 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 12:58 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 11:34 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 19:40 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-09 13:59 UTC | pass | 0 | daily-2026-10-09 |
| 2026-10-09 06:21 UTC | pass | 0 | new-after-daily-2026-10-09 |
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 2026-10-09 01:53 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"bg": "#ffffff",
"fg": "#767676"
}
},
"output": {
"type": "json",
"example": {
"passes": {
"large_text": {
"AA": true,
"AAA": true
},
"normal_text": {
"AA": true,
"AAA": false
}
},
"summary": "Good — passes AA for normal text and AAA for large text.",
"background": "#ffffff",
"foreground": "#767676",
"ratio_string": "4.54:1",
"contrast_ratio": 4.54
}
}
}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, "a11y contrast on api.webbersites.com", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/api-webbersites-com-api-a11y-contrast-fef8b5/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-api-webbersites-com-api-a11y-contrast-fef8b5-2026-10-13T14-08Z,
author = {TOLL},
title = {a11y contrast on api.webbersites.com},
howpublished = {\url{https://tollindex.com/e/api-webbersites-com-api-a11y-contrast-fef8b5/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.