{"uid":"cap_m99SrXNjSPxfOKPbY_ZOa","slug":"agentshelf-syntexa-ch-hex-color-validator-4d36dab2","name":"agentshelf.syntexa.ch Hex Color Validator","description":"Call when an agent needs whether a string is a hex color. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/check-color-hex first.","url":"https://agentshelf.syntexa.ch/v1/check-color-hex?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"description":"JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN."},"value":{"type":"string","examples":["#ff00aa"],"maxLength":20000,"minLength":1,"description":"Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar."},"schema":{"description":"JSON Schema document for schema-check SKUs. Omit it on string checks."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nvKHOz7-BezTwr2jhWC8_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given string is a valid hexadecimal color code","exampleAgentPrompt":"Can you check whether '#A3F0BC' is a valid hex color code?","exampleUseCases":[{"title":"CSS color input validation","prompt":"A user submitted '#ZZ1234' as a color preference in our form — can you check if that's actually a valid hex color before we save it?"},{"title":"Design tool color code check","prompt":"I just got a color value '0x1a2b3c' from a third-party export — is that a valid hex color string?"},{"title":"Automated form field verification","prompt":"Before sending this theme config to our API, can you verify that 'FF8800' counts as a valid hex color?"}],"resultDescription":"A validation result indicating whether the supplied string is a valid hexadecimal color code, returned as a structured response with a boolean or equivalent pass/fail signal.","failureModes":["Empty string input rejected (minLength:1 enforced)","String exceeding 20,000 characters rejected (maxLength enforced)","Missing 'value' field in request body returns error","Network errors or timeouts during the paid API call","Payment failure (insufficient USDC balance) prevents request from completing"],"whenToPreferThis":"Use this endpoint when you need a deterministic, programmatic check of whether a string qualifies as a hex color code and want a reliable, non-LLM result. Prefer the free sandbox endpoint POST /v1/sandbox/check-color-hex first; use this paid version only when the sandbox is unavailable or when operating in a production context requiring guaranteed uptime.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T00:53:58.507Z","isFirstParty":false,"canonicalSlug":"agentshelf-syntexa-ch-hex-color-validator-4d36dab2"}