{"uid":"cap_qbRXuRf8s3lZPk46KvEeZ","slug":"delx-commerce-bytes-hex-encode-56e5f0d5","name":"Delx Commerce — Bytes Hex Encode","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/bytes-hex-encode?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","description":"UTF-8 text to encode, chunk, index, or analyze (caller-supplied only)."}}},"responseSchema":{"type":"json","example":{"hex":"0x64656c78","mode":"text_to_hex","valid":true,"schema":"delx/util-bytes-hex-encode/v1","truncated":false,"byte_length":4}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BZmANquctgfE-evyJd_Pp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Encodes UTF-8 text into its hexadecimal byte representation, returning the hex string, byte length, and encoding metadata.","exampleAgentPrompt":"Can you hex-encode the text 'hello world' for me and tell me how many bytes it is?","exampleUseCases":[{"title":"Hex-encode smart contract calldata","prompt":"I need to hex-encode this UTF-8 string 'transfer:0xabc123' so I can embed it in a blockchain transaction — what's the hex output and byte length?"},{"title":"Debug binary payload representation","prompt":"Can you convert the string 'Content-Type: application/json' to its hexadecimal byte representation so I can verify what's actually being sent over the wire?"},{"title":"Encode text for cryptographic hashing","prompt":"Hex-encode the text 'delx_api_key_2024' for me so I can pass it into a hash function that expects hex input."}],"resultDescription":"A JSON object containing: 'hex' (the 0x-prefixed hexadecimal encoding of the input text), 'mode' (encoding mode, e.g. 'text_to_hex'), 'valid' (boolean indicating successful encoding), 'schema' (schema identifier string), 'truncated' (boolean indicating if input was truncated), and 'byte_length' (integer count of encoded bytes).","failureModes":["Empty or missing 'text' field returns an error or invalid result","Extremely long input strings may be truncated (truncated: true in response)","Non-UTF-8 byte sequences in the input string may cause encoding errors","Network or payment failures (x402 protocol) may prevent the call from completing"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call, no-signup hex encoding service paid in USDC via the x402 protocol — ideal for AI agents that need verifiable, metered utility operations without API key management. Prefer this over self-implemented encoding when you want a canonical, schema-versioned result with validity confirmation and byte length metadata attached.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:03:28.427Z","isFirstParty":false,"canonicalSlug":"delx-commerce-bytes-hex-encode-56e5f0d5"}