https://staging.402utils.com/v1/colorGET /v1/color · x402 API by staging
Colour utilities: ?op=convert (default) turns any hex/rgb()/hsl()/CSS-name into hex, rgb, hsl, hsv, alpha, relative luminance and exact CSS name; ?op=contrast with ?fg=&bg= returns the WCAG 2.x contrast ratio and AA/AAA pass/fail for normal & large text plus UI components (accessibility / EAA); ?op=palette derives complementary, analogous, triadic, tints and shades. Send hex without '#'.
What does this x402 API do?
https://staging.402utils.com/v1/color. This is an x402-gated GET API resource from staging. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-07-21. No normalized USD price is recorded; the listing names Base Sepolia. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- Base Sepolia
- Latest evidence
- TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-07-21
- Resource ID
- c1548c76fb26067cc20592a8
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://staging.402utils.com/v1/color", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Live 402 quote confirmed
GET returned a protocol-valid 402 quote (402). No payment was made.
- Origin reachable
HEAD https://staging.402utils.com/ returned 200.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through bazaar.
- Registry record checked
Registry health: healthy.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.