{"uid":"cap_g4imiaf0LSs9LY3s7RYDV","slug":"geekvault-hex-encoder-decoder-66b2c639","name":"GeekVault Hex Encoder/Decoder","description":"Network, docs, image, web, and dev utility tools paid per call via x402. No signup, no API keys, no subscriptions — just USDC on Base.","url":"https://api.geekvault.dev/dev-tools/v1/hex?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"mode":{"type":"string","description":"`encode` o `decode`. Por defecto `encode`."},"input":{"type":"string","description":"Texto de entrada."}}},"responseSchema":{"type":"object","required":["mode","output"],"properties":{"mode":{"type":"string"},"output":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZBaDh6DkMTzwk9Pz45oE9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Encodes plain text to hexadecimal representation or decodes hex strings back to plain text","exampleAgentPrompt":"Can you encode the text 'Hello World' to hexadecimal for me?","exampleUseCases":[{"title":"Debug hex protocol payload","prompt":"I'm looking at a network packet and see this hex string '48656c6c6f' — can you decode it to readable text for me?"},{"title":"Encode secret key for config file","prompt":"Encode the string 'my-secret-token-abc123' as hex so I can safely embed it in my config file."},{"title":"Verify hex encoding roundtrip","prompt":"Take the text 'GeekVault API test' and encode it to hex, so I can verify my own decoder is working correctly."}],"resultDescription":"Returns a JSON object with the mode used ('encode' or 'decode') and the output string — either the hex-encoded version of the input text, or the decoded plain text from a hex string.","failureModes":["Missing required 'input' field returns an error","Invalid hex string when decoding (odd-length or non-hex characters) may return an error or garbage output","Payment failure via x402 if insufficient USDC balance on Base"],"whenToPreferThis":"Use this endpoint when you need a quick, no-signup hex encode or decode operation and are already operating in the x402/USDC-on-Base payment ecosystem. Ideal for AI agents that need lightweight dev-utility conversions without managing API keys or subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T12:58:41.550Z","isFirstParty":false,"canonicalSlug":"geekvault-hex-encoder-decoder-66b2c639"}