zFinia Accessibility Contrast Calculator

Name: zFinia Accessibility Contrast Calculator
Brand: zFinia
Availability: InStock

Calculate WCAG 2.x sRGB contrast for one caller-supplied colour pair; no interface-wide accessibility claim is made. POST {"foreground":"#000000","background":"#ffffff","large_text":false} on Base exact x402 at US$0.001. MCP is challenge-handoff, not a wallet.

x402 verified · Verified on /x402/v1/accessibility-contrast-calculator · $0.001 · $0.001 USDC/request · 1 endpoints / 4 tools · Tools · base network · x402 protocol

How to call this API

Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.

By zFinia