passlisted in Coinbase#62 by calls of 396 on this host
0.001 USDC
per call, as the listing declares it on solana:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 2
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-25 20:56 UTC
- First observed by TOLLderived
- 2026-09-25
- Pricederived
- 0.001 USDC
- Networks
- 4
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 20 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.
color contrast is one of 396 listed endpoints on saylorinnovations.com, tied 62nd by calls with 304 others among them.
Callers of color contrast supply the query parameters bg and fg.
A response from color contrast, as declared, includes wcag, background, foreground and contrast_ratio.
One payer accounts for all 2 calls to color contrast over 30 days.
The most recent call was 5 days before the snapshot.
Per call, color contrast declares 0.001 USDC on Solana.
For color contrast the listing declares 6 accepts on Solana, Base, Polygon and Arbitrum, to 2 different wallets.
color contrast is a GET endpoint at saylorinnovations.com, listed in the Coinbase registry and filed by TOLL under the "other" category.
color contrast answered the sweep of 2026-09-30 with a valid 402, as at every sweep since 2026-09-25.
Closest in price to color contrast within the "other" category: services http header audit at www.cultos.dev and life advice at x402lifeadvice.vercel.app.
color contrast is the cheapest of 3,618 comparable listings in the "other" category; none asks less.
For 1 of the options on color contrast, TOLL has no verified decimals and shows the raw amount.
The wallet paid by color contrast is the payee of 397 endpoints on one host.
The seller's tags on color contrast are color and contrast.
1,300 other listings in the "other" category declare exactly the same price.
the payment options, as of 2026-09-30 22:14 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | solana: | USDC | 0.001 USDC | exact | 7LSjfrJf…vXacy7 |
| Coinbase | solana: | USDT | 0.001 USDT | exact | 7LSjfrJf…vXacy7 |
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0xA2A8dF…9fc8aa |
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0xA2A8dF…9fc8aa |
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0xA2A8dF…9fc8aa |
| Coinbase | solana: | So111111…111112 | 7941 smallest units, decimals unknown | exact | 7LSjfrJf…vXacy7 |
the checks, as of 2026-09-30 07:35 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-30 07:35 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 19:49 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 09:14 UTC | pass | 0 | daily-2026-09-28 |
| 2026-09-25 21:20 UTC | pass | 0 | daily-2026-09-25 |
| 2026-09-25 19:21 UTC | pass | 0 | new-after-daily-2026-09-24 |
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 2026-09-25 20:56 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"bg": "ffffff",
"fg": "777777"
}
},
"output": {
"type": "json",
"example": {
"wcag": {
"aa_large_text": true,
"aa_normal_text": false,
"aaa_normal_text": false
},
"background": "#ffffff",
"foreground": "#777777",
"contrast_ratio": 4.48
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-30 22:14 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "color contrast on saylorinnovations.com", snapshot of 2026-09-30 22:14 UTC. https://tollindex.com/e/saylorinnovations-com-api-color-contrast-8014c0/at/2026-09-30T22-14Z. Accessed [access date].
BibTeX
@misc{toll-e-saylorinnovations-com-api-color-contrast-8014c0-2026-09-30T22-14Z,
author = {TOLL},
title = {color contrast on saylorinnovations.com},
howpublished = {\url{https://tollindex.com/e/saylorinnovations-com-api-color-contrast-8014c0/at/2026-09-30T22-14Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-30 22:14 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.