{"uid":"cap_qKbcg7N74lf4IovshW0Do","slug":"gocreative-color-contrast-lookup-ef19c9d6","name":"GoCreative Color Contrast Lookup","description":"Keyless, pay-per-call compliance & regulated-data API for AI agents — OFAC wallet + sanctions/PEP + KYB screening, SEC filings, FRED economics, FDA recalls, federal awards, plus continuous monitoring. USDC on Base/Solana via x402, native MCP. No API key, no signup.","url":"https://api.gocreativeai.com/v1/lookup/color_contrast/%7Barg%7D","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["input"],"properties":{"input":{"type":"string","description":"endpoint argument"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eSAl_QTis9suk5HsA55p2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the WCAG color contrast ratio between two colors given as an input string","exampleAgentPrompt":"Can you check the color contrast ratio between #FFFFFF and #336699 to see if it passes WCAG accessibility standards?","exampleUseCases":null,"resultDescription":"Returns a color contrast ratio value (e.g. 4.5:1) along with WCAG AA and AAA pass/fail indicators for the given color pair, helping determine if the combination meets accessibility guidelines.","failureModes":["Invalid color format provided — unrecognized color string returns an error","Missing input query parameter returns 400 Bad Request","Malformed hex code or unsupported color name format fails parsing","Payment failure via x402 results in 402 Payment Required before data is returned"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call WCAG color contrast ratio check without requiring API key signup. Ideal for automated accessibility audits, CI/CD pipelines checking design tokens, or AI agents verifying UI color compliance on demand.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:06:34.179Z","isFirstParty":false}